Prof.univ.dr.ing. NICOLAE CONSTANTIN

Ris1 - Olaru, P.C.; Constantin, N. “The effect of grain boundary engineering on microstructure DS eutectics“, Conference Information: 1st Joint International Conference on Recrystallization and Grain Growth. Date: AUG 27-31, 2001 AACHEN GERMANY, Source: RECRYSTALLIZATION AND GRAIN GROWTH, VOLS 1 AND 2 Pages 1299-1304 Published 2001 indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris2 - Nicolae CONSTANTIN, Cristian DOBRESCU, Raluca PETRACHE, Miron BUZDUGA "Mathematical model on the correlation of the combustion`s zone parameters in case of using different auxiliary combustibles" Metalurgia International, nr.4/2008, pag.7-11, ISSN 1582-2214, indexatã ISI, ISI Web of Science [Science Citation Index Expanded]

Ris3 - Nicolae CONSTANTIN, Cristian DOBRESCU, Ioana APOSTOLESCU, Raluca PETRACHE, Miron BUZDUGA "Research regarding the physical and chemical characteristics of pre-reduced iron ores and the analysis of the possibilities of their use in the iron and steel elaborating process" Metalurgia International, nr.5/2008, pag.15-21, ISSN 1582-2214, indexatã ISI, ISI Web of Science [Science Citation Index Expanded]

Ris4 - Mircea HRITAC, Florin ZÃMAN, Gheorghe IORGA, Nicolae CONSTANTIN, Raluca PETRACHE, Demi PERPARIM, Adriana PREDA, Carmen RAITA "Technical solutions for the superior capitalization of the Fe2O3 dust resulted from the regeneration Station of the HCl from the used acid pickling solutions at the LBR Arcelor Mittal Steel Galati", Metalurgia International, nr 3 special /2008, pag. 5-16, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris5 - Nicolae CONSTANTIN, Corneliu STÃNÃSILÃ, Octavian STÃNÃSILÃ, Cristian DOBRESCU, Nicoleta GHEORGHE, Raluca PETRACHE “Valorificarea deseurilor feroase fine prin procedee neconventionale cu obtinerea unor surse energo-tehnologice neconventionale utilizate ca materii prime la elaborarea otelului” Metalurgia International, nr 3special /2008, pg.17-21, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris6 - Constanta ITTU, Nicolae CONSTANTIN, CristinaRIZESCU, Patricia BALOG “Wollastonite raw investigation and utilization of this material in mould powder technologies”, Metalurgia International, nr 3special /2008, pg.22-26, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris7 - Constanta ITTU, Nicolae CONSTANTIN, Florin MICULESCU, Petru AIOANEI “Tundish powder for continuous casting steel”, Metalurgia International, nr 3special /2008, pg.27-33, ISSN 1582-2214, indexatã ISI, ISI Web of Science [Science Citation Index Expanded]

Ris8 - Mariana STEFÃNESCU, Nicolae CONSTANTIN, Sorin NEACSU “The new approach of the maintenance. The analyze of the monitoring, control and check up processes for the functionality of the turbojets”, Metalurgia International, nr 3 special /2008, pg.43-46, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris9 - Georgeta CARLÃNESCU, Cristian PUSCASU, Mihaela GRIGORESCU, Nicolae CONSTANTIN “High temperatures, abradability and corrosion new resistant material integrated with original technologies addressed to surface covering of elastic components of gas turbine”- Metalurgia International, nr 3 special /2008, pg.63-66, ISSN 1582-2214, indexatã ISI, ISI Web of Science [Science Citation Index Expanded]

Ris10 - Adriana Mioara COMSA, Miron BUZDUGA, Nicolae CONSTANTIN, Aurica GOLEANU, Radu BUZDUGA “Research and Development Institute for Refractories and Ceramic Products - CCPPR, Alba Iulia, Romania”- Metalurgia International, nr 3/2008, pg.71-75, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris11 - Mihaiella CRETU, Cristian PUSCASU, Mihaela GRIGORESCU, Nicolae CONSTANTIN “Innovative technology to prevent surface waters pollution by recovering dangerous chemical substances from technological coolants and using them as valuable row materials in industrial processes” - Metalurgia International, nr 3 special /2008, pg.91-94, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris12 - Cornelius STÃNASILÃ, Nicolae CONSTANTIN, Octavian STÃNASILÃ, Raluca PETRACHE, Nicoleta GHEORGHE “Ecologizarea proceselor industriale prin generarea de CO2 curat si gestionarea eficienta a acestuia”- Metalurgia International, nr 3 special /2008, pg. 95-99, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris13 - Marcel-Valeriu SUCIU, Victor GEANTÃ, Nicolae CONSTANTIN, Radu STEFÃNOIU, Valerica SUCIU “Research on the causes of certain fault occurences in semifinished products during the continuous casting process“ - Metalurgia International, nr 3 special /2008, pg.100-104, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris14 - Constanta ITTU, Nicolae CONSTANTIN, Florin MICULESCU, Cristian DOBRESCU “Insulating powder used in iron and steel industry”- Metalurgia International, nr 4/2009, pg.25-29, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris15 - Silivestru, V; Puscasu, C; Grigorescu, M, Constantin N., “To increase energetic efficiency of centrifugal compressors through integration of new technologies and materials in the fields of surface covering in order to short the rotor - stator gap“ Metalurgia International Volume 14 Issue 7 Pages 9-11 Published 2009, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris16 - Puscasu, C; Carlanescu, G; Grigorescu, M, Constantin N., “Researches regarding the carrying out of ceramic crust used for precision investment casting of high performances centrifugal rotors“, Metalurgia International Volume 14 Issue: 7 Pages 12-13 Published 2009, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris17 - Adam, L; Puscasu, C; Constantin, N, “New Procedures and Methods in Chemical Treatment and Centrifugal Separation Field in Wastes Components of Oil Industry“, Revista de Chimie Volume 60 Issue 10 Pages 1103-1106 Published 2009, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris18 - Nicolae CONSTANTIN, Octavian STÃNÃSILÃ, Cornelius STÃNÃSILÃ, Raluca PETRACHE, Nicoleta GHEORGHE “Alternative iron making technologies” Metalurgia International, nr 7/2009, pg.5-8, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris19 - Ilie BUTNARIU, Nicolae CONSTANTIN, Dãnut FLORESCU “Studies on the emergence tensions in coatings to the request operating” Metalurgia International, nr 9/2010, pg.47-51, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris20 - Ilie BUTNARIU, Nicolae CONSTANTIN, Dãnut FLORESCU “Development and experimentation with multifactorial intervention models for prevention and reduction events for circulation” Metalurgia International, nr 9/2010, pg.85-88, ISSN 1582-2214, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris21 - P. S. NITÃ, I. BUTNARIU, N. CONSTANTIN “La eficiencia a escala industrial de un modelo termodinámico para eliminar el azufre en los aceros calmados con aluminio utilizando escorias del sistema CaO-MgO-Al2O3-SiO2” Revista de Metalurgia, 46 (1) Spania, Enero-Febrero, 0849 Vol 46, no 1 (2010) pg. 5-14, ISSN 0034-8570 eISSN 1988-4222, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris22 - Burlacu Jan Cornelius, Constantin Nicolae “Alternative technologies of drying combustible waste in order to efficiently capitalize it”, Metalurgia International Volume 17 Issue 4 Pages 161-164 Published 2012, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris23 - Burlacu Jan Cornelius, Constantin Nicolae “Research on experimental qualitative characteristics of fine-grained iron ores”, Metalurgia International Volume 17 Issue: 4 Pages 175-179 Published 2012, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris24 - Burlacu Jan Cornelius, Constantin Nicolae “Experimental research on pneumatic conveying reaction to iron ore fine-grained”, Metalurgia International Volume 17 Issue 4 Pages 184-188 Published 2012, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris25 - Burlacu Jan Cornelius, Constantin Nicolae “Unconventional technology of metallurgical lime production and high purity carbon dioxide from the fine limestone waste” Metalurgia International Volume 17 Issue 5 Pages 5-10 Published 2012, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris26 - Burlacu Jan Cornelius, Constantin Nicolae “Physical and chemical characteristics of raw materials used in blast furnaces in view of an improved efficiency” Metalurgia International Volume 17 Issue 5 Pages 10-15 Published 2012, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris27 - Elena VILCEA, Mihai TUDOR, Nicolae CONSTANTIN “Experimental Research on the Characteristics of Reducibility and Mechanical Strength of Ferrous Agglomerates” revista Metalurgia International special Issue nr.1, p.118, Published 2013, indexata ISI , ISI Web of Science [Science Citation Index Expanded]

Ris28 - Mihai TUDOR, Elena VILCEA, Octavian STÃNÃSILÃ, Corneliu STÃNÃSILÃ, Nicolae CONSTANTIN “Analysis of the Technological Opportunities to Reduce Oxides of Iron from Ore and Ferrous Wastes With Fine Grai”, Revista Metalurgia International special Issue nr.1, p.126, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris29 - Claudiu CONSTANTIN, Nicolae CONSTANTIN, “Analytical Methods for Fast Determination of Consumption of Coke in Blast Furnaces, Using Various Fuels Auxiliary” Revista Metalurgia International nr.2, p.5 , Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris30 - Constantin Claudiu, Constantin Nicolae “Application of Statistical and Mathematical Methods of Analysis to Real Data Processing Operation of a Blast Furnace”, Revista Metalurgia International nr.2, p.8, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris31 - Sinziana ITTU, Nicolae CONSTANTIN “Some Characteristics of Vermiculite Mineral” Revista Metalurgia International nr.2, p.73 Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris32 - Alina Cristina MIHAIU, Nicolae CONSTANTIN, “Experimental Research on Physical and Chemical Properties of Pellets Obtained From Pyritical Ashes”, Revista Metalurgia International nr.4, p.43 Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris33 - Violeta Florentina OANCEA, Nicolae CONSTANTIN, Mircea HRITAC “Experiments At The Mouth Of Wind To Verify Proposed Solutions On Improving Coal Dust Combustion Instilled In Blast Furnace” Revista Metalurgia International nr.4, p.47, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris34 - Alina Cristina MIHAIU, Nicolae CONSTANTIN “Experimental Research on Physico- Chemical Properties of Ferrous Fine Waste at Existing Economic Agents With Steel Profile” Revista Metalurgia International nr.4, p.51, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris35 - Violeta Florentina OANCEA, Nicolae CONSTANTIN, Mircea HRITAC “Physical Model for the Simulation of Gas Dynamic Spraying Process of Coal Dust Blowing into the Furnace” Revista Metalurgia International nr.4, p. 55, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris36 - Paul Petrus MOGOS, Nicolae CONSTANTIN “Comparative Analysis of The Granular Process Dynamics and DEM Type Numerical Simulation of Raw Materials Used in the Agglomeration Process”, Revista Metalurgia International nr.4, p.200 Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris37 - Paul Petrus MOGOS, Nicolae CONSTANTIN “Analisys of the Possibilities of Improving the Raw Materials Supply and Distribution Processes in Blast Furnace using DEM”, Revista Metalurgia International nr.5, p.268, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris38 - Sinziana ITTU, Nicolae CONSTANTIN “Research on Vermiculite Ore Used in Tundish Powder Composition” Revista Metalurgia International nr.7, p.253, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris39 - Paul Petrus MOGOS, Elena VILCEA, Nicolae CONSTANTIN “Analysis of the Distribution of Raw Materials in Blast Furnaces Using Autodesk Simulation CFD (AS-CFD)” Revista Metalurgia nr.4, p.10, Published 2013, indexata ISI, ISI Web of Science [Science Citation Index Expanded]

Ris40 - ALEXANDRU BRAN, NICOLAE CONSTANTIN, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042, Bucharest, Romania, “Heat Treatment by Applying Tempering at Low Temperature of WNR 1.2083 Steel, Used in the Injection Molding of PBT Reinforced with up to 45% Fiberglass”, Materiale Plastice 52, no. 4 2015 http://www.revmaterialeplastice.ro pag 533-536, Journal Abbreviation MATER PLAST, Journal ISSN 0025-5289, Materiale Plastice Impact Factor 0,824

Ris41 - Andrei, V., Constantin, N. “Experimental research on quality features of metallurgical coke”, International Conference on Applied Sciences 2014 (ICAS2014) Book Series IOP Conference Series - Materials Science and Engineering Volume 85 Article Number 012001 Published 2015

Ris42 - Branescu, E., Blajan, A. O., Constantin, N. “Experimental research on the characteristics of softening and melting of iron ores as significant factor of influence on gas permeability of blast furnace charge”, International Conference on Applied Sciences 2014 (ICAS2014) Book Series IOP Conference Series - Materials Science and Engineering Volume 85 Article Number 012001 Published: 2015

Ris43 - Buzduga, R. V.; Constantin, N.; Lazar, E. A. “Research on uses plant ashes in processing powders for classical moulding of steel” International Conference on Applied Sciences 2014 (ICAS2014) Book Series IOP Conference Series - Materials Science and Engineering Volume 85 Article Number 012001 Published 2015

Ris44 - Ioana, A., Constantin, N., Moldovan, P. “Constructive and functional modernization of EAF” International Conference on Applied Sciences 2014 (ICAS2014) Book Series IOP Conference Series - Materials Science and Engineering Volume 85 Article Number 012001 Published 2015

Ris45 - Ioana, A., Constantin, N., Moldovan, P. "About EAF and environment” International Conference On Applied Sciences 2014 (ICAS2014) Book Series IOP Conference Series - Materials Science and Engineering Volume 85 Article Number 012001 Published 2015

          Risb - Reviste de specialitate de circulatie internationalã recunoscute (indexate in alte Baze de Date Internationale - BDI specifice domeniului, care fac un proces de selectie a revistelor pe baza unor criterii de performantã)

Risb1 - D. Dobrovici, D. Zamfirescu, N. Constantin, L. Zudor "Folosirea gudronului de huilã drept combustibil auxiliar la furnale" - revista Metalugia nr. 7, 1986, pag 313-322

Risb2 - D. Dobrovici, D. Zamfirescu, N. Constantin "Modelarea matematicã a proceselor din zona oxidantã a furnalelor" - revista Metalurgia, nr. 9, 1986, pag 411-413

Risb3 - D. Dobrovici, N. Constantin, D. Anghelina "Consideratii teoretice asupra insuflãrii prafului de cãrbune la gurile de vãnt ale furnalelor" - Buletinul U.P.B. nr.2, 1987, pag18-21

Risb4 - D. Dobrovici, N. Constantin, I. Soit, V. Geantã "Informatii asupra utilizãrii in incãrcãtura furnalului a materialelor greu fuzibile in scopul protejãrii creuzetului si a vetrei, partea I" - revista Metalurgia, nr. 7, 1990, pag 328-331

Risb5 - V. Geantã, I. Butnariu, N. Constantin, E. Berceanu "Consideratii asupra asimilãrii manganului si siliciului la dezoxidarea si alierea otelului de convertizor" - revista Metalurgia, nr. 8, 1990, pag 390-393

Risb6 - V. Geantã, N. Constantin "Rafinarea otelului lichid utilizand pulberi dezoxidante cu calciu" - revista Metalurgia, nr.9-12, 1990, pag. 420-422

Risb7 - D. Dobrovici, N. Constantin, I.Soit, V. Geantã "Informatii asupra utilizãrii in incãrcãtura furnalului a materialelor greu fuzibile in scopul protejãrii creuzetului si a vetrei, partea a II-a" - revista Metalurgia, nr. 9 - 12, 1990, pag 449-452

Risb8 - N. Constantin, V. Geantã, D. Bunea, R. Saban "Metode analitice si grafice pentru determinarea rapidã a consumurilor de cocs la furnale in cazul utilizãrii diversilor combustibili auxiliari" - revista Metalurgia, nr. 9 - 12, 1990, pag 444-448

Risb9 - I. Soit, N. Constantin, D. Dobrovici "Influenta compusilor titanului asupra proprietãtilor zgurei de furnal" - revista Metalurgia, nr. 1, 1991, pag 60-62

Risb10 - N. Constantin, V. Geantã, R. Saban, D. Bunea "Stabilirea prin modelare matematicã a consumului teoretic optim de cocs la furnale, in functie de componenta incãrcãturii"- revista Metalurgia, nr. 6, 1991, pag 14-17

Risb11 - I. Soit, N. Constantin, D. Dobrovici, M. Nicolae "Elaborarea fontei cu titan cu continut mic de azot" - revista Metalurgia, nr. 6, 1991, pag 10-13

Risb12 - R. Saban, D. Gheorghe, D. Bunea, N. Constantin "Cercetãri privind influenta tratamentelor termochimice asupra durabilitãtii in serviciu a sculelor specifice fabricatiei tevilor laminate la rece" - revista Metalurgia, nr. 7, 1991, pag 29-35

Risb13 - C. Dumitrescu, R. Saban, D. Bunea, N. Constantin "Cercetãri experimentale privind posibilitãtile de utilizare a unui otel rapid cu compozitie chimicã economicã pentru scule specifice fabricatiei de tevi laminate la rece" - revista Metalurgia, nr. 7, 1991 pag 29-32

Risb14 - D. Dobrovici, N. Constantin, I. Soit, M. Nicolae "Modalitãti si mijloace moderne de investigare a desfãsurãrii proceselor din furnale." - revista Metalurgia, nr. 11-12, 1991 pag 9-13

Risb15 - N. Constantin, M. Nicolae, C. Boiangiu "Cercetãri privind caracteristicile fizico-chimice ale zgurilor la elaborarea feroaliajelor cu mangan" - revista Metalurgia, nr. 3, 1992 pag 17-18

Risb16 - M. Nicolae, N. Constantin, V. Geantã "Cercetãri privind hidrodinamica particolelor injectate intr-o baie metalicã" - revista Metalurgia, nr. 6, 1992, pag 13-16

Risb17 - M. Nicolae, E. Rusu, N. Constantin, V. Geantã "Modelarea si conducerea optimalã la rafinarea siliciului tehnic" - revista Metalurgia, nr. 7, 1992, pag 21-23

Risb18 - M. Nicolae, N. Constantin "Investigations on technical silicon rafining"- Metalurgia nr.7/1992, pag. 31-33 si Institute of Materials - England, nr.7, 1992, pag 31-33

Risb19 - I. Soit, N. Constantin , D. Dobrovici "The properties of titanium pig-iron"- Metalurgia nr.8, 1992, pag.23-27 si Institute of Materials - England, nr.7, 1992, pag 23-27

Risb20 - V. Geantã, N. Constantin "Steel bath hydrodinamics during the injection of inert gases"- Metalurgia nr.8/1992, pag. 20-22 si Institute of Materials - England, nr.7, 1992, pag 20-22

Risb21 - N. Constantin, I. Soit, D. Dobrovici, M. Hritac "Calcule tehnologice de corelare a adaosurilor de gaz metan si abur injectate in furnal" - revista Metalurgia, nr. 9, 1992, pag 23-27

Risb22 - C. Necsulescu, I. Butnariu, V. Geantã, N. Constantin "Modalitãti de reducere a consumului de electrozi la cuptoarele electrice cu arc" - revista Constructii de Masini, nr. 12, 1992, pag 21-24

Risb23 - R. Saban, D. Bunea, N. Constantin "Cercetãri experimentale privind posibilitatea utilizarii unor fonte albe inalt aliate in fabricatia produselor puternic solicitate la uzurã" - revista Metalurgia nr. 4, 1993, pag 38-43

Risb24 - N. Constantin, M. Nicolae, V. Geantã, I. Butnariu "Model dinamic pentru determinarea gradului de dezvoltare al reducerilor indirecte a oxizilor de fier la furnale" - revista Metalurgia, nr. 5, 1993, pag 5-7

Risb25 - N. Constantin, V. Geantã, R. Saban, D. Bunea "Analiza posibilitãtilor de inlocuire a gazului metan la furnale cu abur injectat la gurile de vant" - revista Metalurgia, nr. 5, 1993 pag 17-21

Risb26 - D. Bunea, R. Saban, D. Gheorghe, N. Constantin "Studii si cercetãri experimentale asupra otelului criogenic cu 0,1% C si 3% Ni turnat in piese" - revista Metalurgia, nr. 5, 1993, pag. 39-41

Risb27 - Constantin N., Rucai V., Necsulescu C., Butnariu I. "Determinarea coeficientilor de interactiune intre parametrii de suflare in creuzetul furnalului si utilizarea lor in conducerea procesului de elaborare a fontei in furnal" - revista Metalurgia, nr.6, p. 5-8, 1993

Risb28 - N. Constantin, E. Berceanu, I. Butnariu, C. Necsulescu "Model matematic pentru caracterizarea reducerilor directe a oxizilor de fier" - revista Constructii de Masini, nr.11-12, 1993, pag 80-83

Risb29 - D. Bunea, R. Saban, V. Geantã, N. Constantin " Cercetãri experimentale asupra corpurilor de mãcinare turnate centrifugal din fonte albe aliate cu crom" - revista Metalurgia, nr. 6, 1993, pag 27-30

Risb30 - R. Saban, D. Bunea, N. Constantin "Cercetãri experimentale privind tratamentele termice aplicate cilpebsurilor turnate in amestec din fonte albe aliate cu crom" - revista Metalurgia, nr.11,1993, pag 32-35

Risb31 - N. Constantin, M. Nicolae, B. Niculae "The elaboration of ferro-titanium with low nitrogen content" - revista Metalurgia (vers.limba englezã) nr. 4, 1996, pag35-38

Risb32 - V. Geantã, N. Constantin, R. Stefãnoiu "Experimental researches on the determination of beginning temperature of carbon oxidation reaction in metallurgical melts from Fe-Cr-C-Me-O system" - Politehnica University of Bucharest, Scientific Bulletin, Serie B, Volum 58-59, 1996-1997, pag. 113-125

Risb33 - N. Constantin, V.Geantã, R. Stefãnoiu "Mathematical model on the corelation of the combustion zone parameters in case of using different auxiliary fuels" - Politehnica University of Bucharest, Scientific Bulletin, Serie B, Volum 58-59, 1996-1997, pag. 145-153

Risb34 - D. Nedelcu, N. Constantin, C. Cãtanã "Recherches experimentales sur les caracteristique qualitatives des materiaux utilises pour la production de fonte de premiere fusion" - University Politehnica of Bucharest, Scientefic Bulletin, Serie B Volume 61, nr.3-4/1999, pag. 249-257

Risb35 - C. Cãtanã, N. Constantin, D. Nedelcu "La production de fonte speciales dans haut fourneau en utilisant des minerais de titane" - University Politehnica of Bucharest, Scientefic Bulletin, Serie B Volume 61, nr.3-4/1999, pag. 265-271

Risb36 – C. STÃNÃSILÃ, Nicolae CONSTANTIN, O. STÃNÃSILÃ, D. Toscutã “New technology of cool s drying” - revista Metalurgia, nr.12, 2005, pag 32-35, ISSN 0461-9579

Risb37 - Corneliu Stãnãsilã, Nicolae CONSTANTIN, Octavian Stãnãsilã, Raluca Petrache “A new method to dry some granular materials” - U.P.B. Sci. Bull., Series B, Vol. 69, No. 4, 2007, ISSN 1454-2331, pag. 71

Risb38 - Ilie BUTNARIU, Nicolae CONSTANTIN, Marian IONESCU “Comportarea borului la elaborarea otelului” - Revista Analele Universitãtii Valahia Targoviste, Section I. Technical Sciences and Technologies. Fascicl I, 2007, ISSN 1453-8202

Risb39 - Ilie BUTNARIU, Nicolae CONSTANTIN, Marian IONESCU “Mecanismul si cinetica proceselor care contribuie la aderenta si coeziunea straturilor composite formate prin pulverizare termicã (metalizare cu arc electric)” - Revista Analele Universitãtii Valahia Targoviste, Section I. Technical Sciences and Technologies. Fascicl I, 2007, ISSN 1453-8202

Risb40 – Butnariu I., Constantin N., Predescu Cr. “Comportarea borului la elaborarea otelului” - revista “Analele Universitãtii Dunãrea de Jos Galati”, nr.10, 2007

Risb41 - Butnariu I., Constantin N., Predescu Cr. “Coordonarea automatã a programãrii procesului de topire la cuptoarele electrice cu arc UHP de 100 t” - revista Analele Universitãtii Dunãrea de Jos Galati, nr.10, 2007

Risb42 - Corneliu Stãnãsilã, Nicolae CONSTANTIN, Octavian Stãnãsilã, Raluca Petrache “Some computations regarding directly reduction of the iron ores” - U.P.B. Sci. Bull., Series B, Vol. 70, No. 2, 2008, ISSN 1454-2331, pag. 61

Risb43 - Corneliu Stãnãsilã, Nicolae CONSTANTIN, Octavian Stãnãsilã, Raluca Petrache “Alternative iron making technologies” - U.P.B. Sci. Bull., Series B, Vol. 70 , No. 1, 2008, ISSN 1454-2331, pag. 55

Risb44 - Drd. ing. Valentin MINCU, prof.dr.ing. Nicolae CONSTANTIN, “Influence of vacuum on the quality steels” - Editura Academiei Oamenilor de Stiintã Bucuresti, ISSN 2067-2160, 1/2011, volume 3, Issue 4, pp. 211–221

Risb45 - Drd.ing. Valentin MINCU, Mãlin NEGRU, prof.dr.ing. Nicolae CONSTANTIN, “Increase the ingots quality cast in vacuum” - Solid State Phenomena Vol. 188 Trans Tech Publications, Switzerland, pp 339-345

Risb46 - Drd.ing. Valentin MINCU, prof.dr.ing. Nicolae CONSTANTIN “Increase the steel purity cast in vacuum” - The annals of Dunãrea de Jos University of Galati. Fascicle IX, Metallurgy and Materials Science, No1, 2012, ISSN 1453-083X

Risb47 - Drd.chim. Violeta OANCEA, drd.ec. Alina Cristina MIHAIU, S.l.dr.ing. Cristian DOBRESCU, Prof.dr.ing. Nicolae CONSTANTIN “Using pulverized coal as an alternative energotehnological source to produce pig-iron for steelmaking” - Journal of sustainable energy, vol II, nr.1, 2011, pag 62-65, ISSN 2067-5534, Journal of Sustainable Energy JSE is covered/indexed/abstracted in Index Copernicus, Ulrich's Update - Periodicals Directory, DOAJ - Directory of Open Access Journals, EBSCO Publishing - EBSCOhost Online Research Databases, Engineering village (Pending), Publishing House name/address: Editura Universitatii din Oradea, Universitatea din Oradea, str. Universitatii nr. 1, 410087, Oradea, Bihor, Romania, ISSN: 2067-5534

Risb48 - CONSTANTIN C., MIHAIU A. C., DOBRESCU C., CONSTANTIN N. "Fuel and energy consumption decrease in order to produce pig-iron for steelmaking using injection reducing gas in the blast furnace" - Journal of sustainable energy, vol II, nr.2, 2011, pag 43-45, Journal of Sustainable Energy JSE is covered/indexed/abstracted in: Index Copernicus, Ulrich's Update - Periodicals Directory, DOAJ - Directory of Open Access Journals, EBSCO Publishing - EBSCOhost Online Research Databases, Engineering village (Pending), Publishing House name/address: Editura Universitatii din Oradea, Universitatea din Oradea, str. Universitatii nr. 1, 410087, Oradea, Bihor, Romania, ISSN: 2067-5534

Risb49 - N. Constantin; P. Demi - University Politehnica of Bucharest, Bucharest, Romania; Migral, Bucharest, Romania, "Research Regarding the Physical and Chemical Characteristics of Pre-reduced Iron Ores and the Analysis of the Possibilities of Their Use in The Iron and Steel Elaborating Process", Fray International Symposium, Cancun, Mexico, 27 noiembrie - 1 decembrie 2011, www.flogen.com/FraySymposium, publicat in revista Flogen Technologies E News nr. 1/2012, ISBN 978-0-9879974-5-6, Vol 2: Advanced Sustainable Iron And Steel Making, pag 485, http://www.flogen.org/books/index.php

Risb50 - P. Demi; N. Constantin - Migral, Bucharest, Romania; University Politehnica of Bucharest, Bucharest, Romania; “Mathematical Model on the Correlation of the Combustion`s Zone Parameters in Case of Using Different Auxiliary Combustibles” – Fray International Symposium, Cancun, Mexico, 27 noiembrie - 1 decembrie 2011, www.flogen.com/FraySymposium, publicat in revista Flogen Technologies E News nr. 1/2012, ISBN:978-0-9879974-5-6, Vol 2: ADVANCED SUSTAINABLE IRON AND STEEL MAKING, pag 485, http://www.flogen.org/books/index.php

Risb51 - N. Constantin, P. Demi - University Politehnica of Bucharest, Bucharest, Romania; Migral, Bucharest, Romania – “The Capitalization of the Fine Ferrous Wastes Through Unconventional Proceedings Obtaining Some Unconventional Energo-technological Sources Used as Raw Materials At The Steel Elaboration, Fray International Symposium, Cancun, Mexico, 27 noiembrie - 1 decembrie 2011, www.flogen.com/FraySymposium, publicat in revista Flogen Technologies E News nr. 1/2012, ISBN:978-0-9879974-5-6, Vol 2: Advanced Sustainable Iron And Steel Making, pag 485, http://www.flogen.org/books/index.php

Risb52 - CONSTANTIN C., MIHAIU A. C., DOBRESCU C., CONSTANTIN N. “Fuel and energy consumption decrease in order to produce pig-iron for steelmaking using injection reducing gas in the blast furnace” - Journal of sustainable energy, vol II, nr.2, 2011, pag 43-45, ISSN 2067-5534, Journal of Sustainable Energy JSE is covered /indexed/ abstracted in: Index Copernicus, Ulrich's Update - Periodicals Directory, DOAJ Directory of Open Access Journals, EBSCO Publishing - EBSCOhost Online Research Databases, Engineering village (Pending), Publishing House name/address: Editura Universitatii din Oradea, Universitatea din Oradea, str. Universitatii nr. 1, 410087, Oradea, Bihor, Romania, ISSN 2067-5534

Risb53 - Valentin MINCU, Nicolae CONSTANTIN “Refining steels produced in electric arc furnace” - U.P.B. Sci. Bull., Series B, Vol. 75, Iss. 2, 2013 ISSN 1454-2331

Risb54 - C Mititelu, N. Constantin, M Hritac "Experimental Researches On Briquetting And Melting Of Fine Ferrous Waste" - U.P.B. Sci. Bull., Series B, Vol. 76, Iss. 4, 2014 ISSN 1454 – 2331

Risb55 - Buzduga Radu Vasile, Constantin Nicolae, Lazar Elena Alexandra, Comsa Adriana Mioara “Research in order to obtain special monolithic refractory materials”, Bulletin of the Transilvania University of Brasov Vol. 8 (57) No.1, 2015, Series I - Engineering Sciences, ISSN 2065-2119 (Print), ISSN 2065-2127 (CD-ROM), Materials Science And Engineering

Risb56 - Liviu-Marian BESEA, Anda Elena PREDA, Nicolae CONSTANTIN, Petru MOLDOVAN – ROMANIA, “The Applicability of the Method AS-CFD into the Analysis of Ductility and Distribution of Stress of an Aluminium Alloy”, Acta Tehnica Corviniensis – Bulletin of Engineering Tome VIII [2015] Fascicule 3 [July – September] ISSN 2067-809, pag. 65-69

Risb57 - Laura MILITARU, Cristian DOBRESCU, Liviu BEȘEA, Anda PREDA, Nicolae CONSTANTIN – Romania, “Modern Methods of Research Through Optical and Electronic Microscopy of Special Metalic Materials Structure” Acta Tehnica Corviniensis – Bulletin of Engineering Tome VIII [2015] Fascicule 3 [July – September] ISSN 2067-3809, pag. 103-109

Risb58 - Denisa VONICA, Mircea HRITAC, Florentina NICULESCU, Nicolae CONSTANTIN – Romania – “A Review of the State-Of-Art for the Copper Industry”, Acta Tehnica Corviniensis – Bulletin of Engineering Tome VIII [2015] Fascicule 3 [July – September] ISSN 2067-3809, pag. 131-137

Risb59 - Victor ANDREI, Cristian DOBRESCU, Nicolae CONSTANTIN, Bogdan FLOREA – Romania “The Application of Statistical and Mathematical Methods of Analysis to Real Data Processing Operation of a Blast Furnace”, Acta Tehnica Corviniensis – Bulletin of Engineering Tome VIII [2015] Fascicule 4 [octomber –december] ISSN: 2067-3809, Pag. 25-29

Risb60 - Anda Elena PREDA, Liviu-Marian BESEA, Nicolae CONSTANTIN, Petru MOLDOVAN – Romania “AS-CFD Method Applicability for Analyzing Al 6061 Alloy Porosity”, Acta Tehnica Corviniensis – Bulletin of Engineering Tome VIII [2015] Fascicule 4 [octomber –december] ISSN: 2067-3809, pag. 115-119

Risb61 - Liviu-Marian BESEA, Anda Elena PREDA, Nicolae CONSTANTIN, Petru MOLDOVAN – Romania “ANN (Artificial Neural Network) Aplicability for Modeling Al 6061 Alloy Properties”, Acta Tehnica Corviniensis – Bulletin of Engineering Tome VIII [2015] Fascicule 4 [octomber –december] ISSN: 2067-3809, Pag. 159-163

Risb62 - Anda Elena PREDA, Liviu-Marian BESEA, Nicolae CONSTANTIN, Petru MOLDOVAN – Romania, “Comparative Analysis of Stress Distribution Based on Aluminum Alloys” Annals of Faculty Engineering Hunedoara – International Journal Of Engineering, ISSN 1584-2665 (printed editions & online, in two fascicules), ISSN: 1584-2673 (CD-ROM edition & online, in two fascicules), Fascicule 3 Tome XIII [2015] – Fascicule 3 [August], pagina 26-29

Risb63 - Victor ANDREI, Constantin Nicolaie, Cristian DOBRESCU – Romania “Cost Efficiency of Elaborating Iron By Using Pulverized Coal As A Replacement For Coke In Blast Furnaces”, Annals Of Faculty Engineering Hunedoara – International Journal Of Engineering, ISSN: 1584-2665 (printed editions & online, in two fascicules), ISSN: 1584-2673 (CD-ROM edition & online, in two fascicules), Fascicule 3 Tome XIII [2015] – Fascicule 3 [August], pagina 139-142

Risb64 - Adrian Octavian Decebal BLAJAN, Cristian DOBRESCU, Nicolae CONSTANTIN, Bogdan FLOREA – Romania, “Experimental Research Laboratory for the Purpose of Their Own Recovery with Maximum Economic Efficiency of Fine Ferrous Waste”, Annals of Faculty Engineering Hunedoara – International Journal Of Engineering, ISSN: 1584-2665 (printed editions & online, in two fascicules), ISSN 1584-2673 (CD-ROM edition & online, in two fascicules), Fascicule 3 Tome XIII [2015] – Fascicule 3 [August], pagina 187-190

Risb65 - Liviu-Marian BESEA, Anda Elena PREDA, Nicolae CONSTANTIN, Petru MOLDOVAN, Adrian IOANA “Analysis of Improvement Possibilities of Aluminum Alloy Granulation Through Microalloying With Rare Elements” Annals of Faculty Engineering Hunedoara – International Journal of Engineering 135 Fascicule 4 Tome XIII [2015] – Fascicule 4 [November] ISSN: 1584-2673, pag 135-138

Risb66 - Denisa VONICA, Mircea HRITAC, Florentina NICULESCU, Constantin NICOLAE – Romania, “The Processing of the Copper Oxidic Ashes Using a Modern Technology”, Annals of Faculty Engineering Hunedoara – International Journal Of Engineering, ISSN: 1584-2665 (printed editions & online, in two fascicules), ISSN: 1584-2673 (CD-ROM edition & online, in two fascicules), Fascicule 3 Tome XIII [2015] – Fascicule 3 [August], pag. 277-279

Risb67 - Anda Elena PREDA, Liviu-Marian BESEA, Nicolae CONSTANTIN, Petru MOLDOVAN, Adrian IOANA – Romania, “Economic and Managerial Aspects About Aluminum and Aluminum Alloys” Annals of Faculty Engineering Hunedoara – International Journal of Engineering 135 Fascicule 4 Tome XIII [2015] – Fascicule 4 [November] ISSN: 1584-2673, pag 185-188

Risb68 - Laura-Mihaela MILITARU, Paul Petruș MOGOS, Nicolae CONSTANTIN, Sinziana ITTU, Denisa-Elena ANCA, Lavinia-Marilena HARCEA – Romania, “Study For Evaluation And Optimization of Mineral Composition and Structure of Iron Ore Granulation in Sintering Process”, Annals of Faculty Engineering Hunedoara – International Journal Of Engineering, ISSN: 1584-2665 (printed editions & online, in two fascicules), ISSN: 1584-2673 (CD-ROM edition & online, in two fascicules), Fascicule 3 Tome XIII [2015] – Fascicule 4 [November], Pag. 159-162

Risb69 – Laura-Mihaela MILITARU, Mircea HRITAC, Cristian DOBRESCU, Nicolae CONSTANTIN – Romania, “Experimental Research for Obtaining Iron Powder With Micronic and Submicronic Dimensions” Annals of Faculty Engineering Hunedoara – International Journal of Engineering, ISSN: 1584-2665 (printed editions & online, in two fascicules), ISSN: 1584-2673 (CD-ROM edition & online, in two fascicules), Fascicule 3 Tome XIII [2015] – Fascicule 4 [November], Pag. 223-227

Risb70 - Cosmin Petre MITITELU, Mircea HRITAC, Nicolae CONSTANTIN “Laboratory Experiments for Determination of Optimal Characteristics of Ultrafine Ferrous Waste Briquettes to be Used in a Cupola Furnace”, U.P.B. Sci. Bull., Series B, Vol. 77, Iss. 1, 2015 ISSN 1454-2331, pag 157-164

Risb71 - Liviu BESEA, Anda PREDA, Adrian IOANA, Petru MOLDOVAN, Nicolae CONSTANTIN “Technological and Economical Aspects Regarding Hot Rolling on the ASSEL Line at S.C. TMK SLATINA”, U.P.B. Sci. Bull., Series B, Vol. 77, Iss. 3, 2015 ISSN 1454-2331, pag 229-236

Risb72 - Risb53 - Alexandru BRAN, Nicolae CONSTANTIN “Improving the Characteristics of the High Speed Steel WNR. 1.3243 by Vacuum Heat Treatment”, U.P.B. Sci. Bull., Series B, Vol. 77, Iss. 4, 2015 ISSN 1454-2331, pag 329-338

Risb73 - Valeriu RUCAI, Nicolae CONSTANTIN, Cristian DOBRESCU, “Experimental Research Program Regarding the Influence of Thermo-Time Treatment of Multicomponent Ni-Base Melting on Their Properties in Solid Phase”, U.P.B. Sci. Bull., Series B, Vol. 77, Iss. 4, 2015 ISSN 1454-2331, pag 359-364

Risb74 - Radu Vasile Buzduga, Nicolae CONSTANTIN, Ion Buzduga, “Research On Obtaining A Chemical Binder Used To Bind Refractory Masses”, Global Journal of Advanced Engineering Technologies and Sciences, October, 2015] ISSN 2349-0292 Impact Factor 2.365 http://www.gjaets.com ©, pag 21-29

Risb75 - Adrian IOANA, Nicolae CONSTANTIN, Anda PREDA, Liviu Marian BESEA “About Electrical Steels Making Optimization” The Annals of Dunarea De Jos University of Galati, Fascicle IX Metallurgy and Materials Science Year XXXII (XXXVII) Special Issue 2014 ISSN 1453-083X 2014, pag 159-162, aparut martie 2015, neraportata in fisa de evaluare pentru anul 2014

Risb76 - Adrian Ioana, Nicolae CONSTANTIN, Anda-Elena Preda and Liviu-Marian Besea, “Economic and social aspects regarding mathematical models in aluminum alloy technology”, Review of Applied Socio-Economic Research Volume 8, Issue 2/2014ISSN: 2247-6172 URL: http://www.reaser.eu e-mail: editors@reaser.e, pag 87-94, aparut iunie 2015, neraportata in fisa de evaluare pentru anul 2014