Prof.univ.dr.ing. NICOLAE CONSTANTIN
Comunicari stiintifice
Vis - Volumele unor manifestãri stiintifice internationale recunoscute, organizate in tarã si strãinãtate, indexate ISI Thomson Reuters
Visb - Volumele unor manifestãri stiintifice internationale recunoscute, organizate in tarã si strãinãtate indexate in alte Baze de Date Internationale - BDI specifice domeniului, care fac un proces de selectie a publicatiilor pe baza unor criterii de performantã
Visb1 - I. Butnariu, C. Necsulescu, V. Rucai, N. Constantin, Gh. Olteanu "Possibilities to improve the conduct of the rafinament processes of the stainless steel elaborated by the duplex procedure (electric furnace - VOD installation) " - Extraction and Processing Division Congres 1994, Cincinnati, pag 853-855
Visb2 - V. Rucai, C. Necsulescu, I. Butnariu, N. Constantin, Gh. Popoiu : "The influences upon the solid steels structure by studying some properties of the liquid ferrous alloys" - Conference Proceesings - Balaton, Ungaria, 30 mai 1994, pag 1114-1117
Visb3 - I. Butnariu, V. Rucai, C. Necsulescu, N. Constantin, A. Niculescu "Surface phenomena in steel - slag system Some theoretical pointe of view and conclusons based on experiments" - First International Conference on Processing Materials for Properties - Edmondo Canada, 1994, pag 823-826
Visb4 - N. Constantin, M. Nicolae, V. Rucai "Research regarding the physical and chemical characteristics of pre - reduced iron ores the analysis of the possibilities of their use in the iron and steel elaborating process" – Milano, Italia, International Conference "Pre reduced products and Europe" 23-24 septembrie 1996, pag 230-239
Visb5 - N. Constantin, M. Nicolae "Research regarding the physical and chemical characteristics of pre - reduced iron ores" Bucuresti - International Symposium - "Traditions and perspectives in romanian school of metallurgy" 25-26 octombrie 1996, pag318-327
Visb6 - N. Constantin, C. Predescu, M. Jura "Informatising management of blast furnace processes" Bucuresti - International Symposium - "Traditions and perspectives in romanian school of metallurgy" 25-26 oct. 1996, pag 328-336
Visb7 - N. Constantin, M. Nicolae, B. Niculae "Cercetãri privind inbunãtãtirea eficentei functionale a electrofiltrelor din sectorul de aglomerare a minereurilor feroase" Sibiu - Conferinta internationalã - I.C.E.H, 28-29 noiembrie 1996, pag 49-54
Visb8 - D. Scurina, M. Nicolae, B. Niculae, N. Constantin "Caracterizarea agentilor poluanti generati de cuptoarele electrice de feroaliaje" Sibiu, Conferinta Internationalã - I.C.E.H. 28-29 noiembrie 1996, pag 237-242
Visb9 - N. Constantin, C. Predescu, M. Jura "Cercetari pe model matematic asupra zonei coezive la furnale" Simpozion cu participare internationala - Hunedoara 12-13 oct. 1995, pag 18-26
Visb10 - V. Geantã, N. Constantin, R. Stefãnoiu "Experimental researches on the determination of beginning temperature of carbon oxidation reaction in metallurgical melts from Fe-Cr-Me-O systems" - 9th International Metallurgy and Materials Congress, 11-15 iunie, 1997, Istambul – Turcia, pag 91-97
Visb11 - N. Constantin, V. Geantã, R. Stefãnoiu "Mathematical model on the corelation of the combustion zone parameters in case of using different auxiliary combustibles" - 9th International Metallurgy and Materials Congress, 11-15 iunie, 1997, Istambul, Turcia, pag. 115-120
Visb12 - M. Nicolae, N. Constantin, D. Bunea "Posibilitãti de valorificare a subproduselor de la elaborarea feroaliajelor" Tulcea, Simpozion international" 20 de ani de la elaborarea primei sarje de feroaliaje in Romania" 26 iulie 1996, pag. 42-48
Visb13 - N. Constantin, C. Predescu, V. Geantã, R. Stefãnoiu "Conducerea informatizatã a procesului de elaborare a fontei in furnal prin stabilirea optimã a componentei unitãtii de incãrcare" Hunedoara, Simpozion stiintific cu participare intenationalã, 31 oct. - 1 nov. 1997, pag. 634 - 649
Visb14 - C. Predescu, N. Constantin, D. Bunea, I. Predescu "Ecologizarea sectoarelor calde in conditiile arderii prin tehnologii neconventionale a combustibililor inferiori" Hunedoara, Simpozion stiintific cu participare internationalã, 31 oct. - 1 nov. 1997, pag. 1234-1239
Visb15 - N. Constantin, C. Cãtanã "Recherches experimentales sur les caracteristique qualitatives des materiaux utilisees a la production des fontes de premiere fusion" Pitesti, Simpozion international" Jubileu 1997-35 de ani Universitatea din Pitesti" 21-22 nov. 1997 pag. 53-57
Visb16 - N. Constantin, V. Geantã, C. Cãtanã "La production des fontes speciales dans haut fourneau en utlisant des minerais de titane" Pitesti, Simpozion international "Jubileu 1997 - 35 de ani Universitatea din Pitesti" 21-22 nov. 1997 pag. 58-62
Visb17 - V. Geantã, N. Constantin, R. Stefãnoiu "Comportaments d'oxydation du carbone dans les alliages metallique du systeme Fe-C-O" Pitesti, Simpozion international "Jubileu 1997 - 35 de ani Universitatea din Pitesti" 21-22 nov.1997 pag. 63-69
Visb18 - D. Nedelcu, N. Constantin, C. Cãtanã "Cercetãri privind micsorarea consumurilor energetice si materiale la elaborarea fontei prin utilizarea unor resurse energotehnologice neconventionale" Bucuresti - International Symposium - "Traditions and perspectives in romanian school of metallurgy" octombrie 1998, pag 101-106
Visb19 - N. Constantin, C. Bulancea, D. Nedelcu "Modelarea matematicã si optimizarea proceselor de aglomerare a minereurilor de fier" Bucuresti - International Symposium - "Traditions and perspectives in romanian school of metallurgy" octombrie 1998, pag 37-43
Visb20 - C. Cãtanã, N. Constantin, D. Nedelcu "Cecetãri privind posibilitãtile de crestere a intensitãtii de functionare a furnalului prin imbunãtãtirea circulatiei gazelor prin cuvã" Bucuresti - International Symposium - "Traditions and perspectives in romanian school of metallurgy" octombrie 1998, pag 91-94
Visb21 - Constanta Ittu, Nicolae CONSTANTIN "Covering and Insulation Powder or Continuous Casting Steel" Poster prezentat la MCR 2006, 3rd Conference on Multi-component reactions and related chemistry, Amsterdam, July 9-13, on Congress, EUROCORR 2005, Lisabona
Visb22 - Constanta Ittu, Nicolae CONSTANTIN "Covering and Insulation Powder for Continuous Casting Steel" Poster prezentat la EUCHEM 2006 - Conference on Molten Salts & Ionic Liquids – Hammamet, Tunisia, September 16-22, 2006
Visb23 - Constanta Ittu, Nicolae CONSTANTIN "Covering and Insulation Powder for Continuous Casting Steel" Poster prezentat la MCWASP XI Conference - Modeling of Casting, Welding and Advanced Solidification Processes XI Opio, France from 28 May- 2 June 2006
Visb24 - Constanta Ittu, Nicolae CONSTANTIN "Covering and Insulation Powder for Continuous Casting Steel" Poster prezentat la ICAS 2006 - International Congress on Analitical Science, 25-30 June, Moscow, Russia
Visb25 - Constanta Ittu, Nicolae CONSTANTIN, Florin Miculescu "Covering and Insulation Powder for Continuous Casting Steel" 31st International Cocoa Beach Conference & Exposition on Advanced Ceramics and Composites, January 21-26, 2007 Daytona Beach, Florida
Visb26 - Constanta Ittu, Patricia Balog, Nicolae CONSTANTIN, Petru Aioanei, Maria Munteanu "Optimal slag use in continuous casting steel process" ICG 2007 - Strasbourg 1-6 iulie 2007
Visb27 - Constanta Ittu, Patricia Balog, Nicolae CONSTANTIN, Petru Aioanei, Maria Munteanu "Optimal slag use in continuous casting steel process" 31st International Cocoa Beach Conference & Exposition on Advanced Ceramics and Composites, January 21-26, 2007 Daytona Beach, Florida
Visb28 - Constanta Ittu, Patricia Balog, Nicolae CONSTANTIN, Petru Aioanei, Maria Munteanu "Tundish Powder based on fly ash for Continuous Casting Steel" METEC InSteelCon, METEC “7th International Metallurgical Technology Trade Fair with InSteelCon & EMC 2007”, Düsseldorf, Germany from 12-16 June 2007
Visb29 - Constanta Ittu, Petrus Ene, Nicolae CONSTANTIN, Florin Miculescu "Covering and Insulation Powder for Continuous Casting Steel" Layered ceramics, functional gradient materials and thermal barrier coatings: design, fabrication and applications,11-16 iunie 2006, insula Menorca, oras Mahon, Spania
Visb30 - Ilie Butnariu, Nicolae CONSTANTIN "Studies and researches concerning the structure and properties of some Ti-Al-Mo" (cod 181), Kyoto, Japonia, 11th World Conference on Titanium, 3-7 iunie 2007
Visb31 - Ilie Butnariu, Nicolae CONSTANTIN "Researches concerning the ingots directional solidification for the fabrication of railroad monoblock wheels" (cod 11853), 62nd Annual ABM Congress, Vitoria, Brazilia, 23-27 iulie 2007
Visb32 - Ilie Butnariu, Nicolae CONSTANTIN "Researches concerning the possibilities of pelletising of thermo-station ashes and their use in siderurgy", Iron Ore 2007, Conference, Perth, Australia, 20-22 august 2007
Visb33 - Ilie Butnariu, Nicolae CONSTANTIN "Studies and researches concerning the structure and properties of some Ti-Al-Mo" (cod 181), Kyoto, Japonia, la 11th World Conference on Titanium, 3-7 iunie 2007
Visb34 - Ilie Butnariu, Nicolae CONSTANTIN "The optimization of the functioning parameters of mechanical ensembles mode from composite materials", 9th US National Congress ore Computational Mechanics, San Francisco, SUA, 22-26 iulie 2007
Visb35 - Ilie Butnariu, Nicolae CONSTANTIN "The good using of the Useful Elements from the Copper Removal", R’ 07 World Congress, Devos, Elvetia, 3-5 september 2007
Visb36 - Constanta Ittu, Nicolae CONSTANTIN, Florin Miculescu "Optimal slag use in continous casting steel process", European Conferences on Applications of Surface and Interface Analysis, Bruxelles 9-14 septembrie 2007
Visb37 - Aurica GOLEANU, Miron BUZDUGA, Nicolae CONSTANTIN, Mioara Adriana COMSA "Effects of additives on the sintering process of al2o3-based ceramic materials"al 2-lea Congres International de Ceramica - ICC2, de la Verona-Italia, iunie 2008, ISSN 1843-5904
Visb38 - O STÃNÃSILÃ, Nicolae CONSTANTIN, C STÃNÃSILÃ "O noua tehnologie de uscare a carbunilor", Conferinta Nationala de Metalurgie si Stiinta Materialelor - ROMAT 2006
Visb39 - Liviu ADAM, Nicolae CONSTANTIN, Sorin NEACSU "Proceduri si metode noi in domeniul tratarii chimice si separarii centrifugale in componente a deseurilor din industria petroliera" Conferinta AMCSIT - Excellence research as o way to E.R.A. Brasov 2007, ISSN 1843-5904
Visb40 - lie Butnariu, Nicolae CONSTANTIN "Researches about the use a thermo-station ashes in siderurgy" Conferinta AMCSIT - Excellence research as o way to E.R.A. Brasov 2007, ISSN 1843-5904
Visb41 - Constanta Ittu, Nicolae CONSTANTIN "Insulation powder user in siderurgy" Conferinta AMCSIT - Excellence research as o way to E.R.A. Brasov 2007, ISSN 1843-5904
Visb42 - Mariana STEFANESCU, Nicolae CONSTANTIN "Studies and tendencies concerning the gas turbine maintenance approch analysis of the monitoring and maintenance process of gas turbines" Conferinta AMCSIT - Excellence research as o way to E.R.A. Brasov 2007, ISSN 1843-5904
Visb43 - Nicolae CONSTANTIN, Corneliu STÃNÃSILÃ, Octavian STÃNÃSILÃ, Raluca PETRACHE, Miron BUZDUGA "Alternative iron making technologies" Conferinta AMCSIT- Excellence research as o way to E.R.A. Brasov 2007, ISSN 1843-5904
Visb44 - Mioara COMSA, Miron BUZDUGA, Nicolae CONSTANTIN, Teodor HEPUT "Analysis methods in ordin to fully characterise molding powders",Conferinta AMCSIT - Excellence research as o way to E.R.A. Brasov 2007, ISSN 1843-5904
Visb45 - Constanta ITTU, Petre BALOG, Corneliu RIZESCU, Nicolae CONSTANTIN "Optimal Raw Material for Mould Powder Technology" Conferinta AMCSIT - A way to innovatio, Brasov 2008, ISSN 1844-7090
Visb46 - Nicolae CONSTANTIN, Cristian DOBRESCU, Nicoleta GHEORGHE, Raluca PETRACHE "The capitalization of the fine ferrous wastes through unconventional proceedings obtaining some unconventional energo-technological sources used as raw materials at the steel elaboration" Conferinta Nationala de Metalurgie si Stiinta Marterialelor - ROMAT 2008 Bucuresti 25-26 septembrie 2008, pag. 335-343, ISBN 978-606-521-077-6
Visb47 - Corneliu STÃNÃSILÃ, Nicolae CONSTANTIN, Octavian STÃNÃSILÃ, Cristian DOBRESCU, Nicoleta GHEORGHE, Raluca PETRACHE "Ecological industrial processes, generation of clean CO2 and its efficient management" Conferinta Nationala de Metalurgie si Stiinta Marterialelor - ROMAT 2008, Bucuresti 25-26 septembrie 2008, pag. 343-351, ISBN 978-606-521-077-6
Visb48 - L. Adam, Nicolae CONSTANTIN, S. Neacsu, A. Ioncea "New Procedures and Methods in Chemical Treatment and Centrifugal Separation Field in Wastes Components of Oil Industry" Conferinta AMCSIT - A way to innovatio, Brasov 2008, ISSN 1844-7090
Visb49 - Ilie BUTNARIU, Nicolae CONSTANTIN, Raluca PETRACHE, Nicoleta GHEORGHE "Aspects regarding the mechanism and kinetics of the adherence and corrosion processes between compozite layers, using thermic metal covering" Conferinta AMCSIT - A way to innovatio, Brasov 2008, ISSN 1844-7090
Visb50 - Nicolae CONSTANTIN, Cristian DOBRESCU, Raluca PETRACHE, Nicoleta GHEORGHE , 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" Conferinta AMCSIT - A way to innovatio, Brasov 2008, ISSN 1844-7090
Visb51 - Ioan NEDELCU, Rami SABAN, Irina CARCEANU, Dorel NEDELCU, Robert BOLOLOI, Nicolae CONSTANTIN "Structural quenching transformations in alloys type Permalloy-Fe-Ni", EUROMAT 2009, september 2009, Glasgow, United Kingdom
Visb52 - Violeta OANCEA, Nicolae CONSTANTIN, Cristian DOBRESCU "Research on the possibilities of improving the productin of cast iron in the first merger by improving flow gas phase in the blast furnace" International Symposium on Advanced Engineering and Applied Management - 40th Anniversary in Higher Education (1970-2010), 4-5 noiembrie, Hunedoara Romania
Visb53 - Violeta OANCEA, Nicolae CONSTANTIN, Cristian DOBRESCU " Research on the possibilities of improving the productin of cast iron in the first merger by improving flow gas phase in the blast furnace" International Symposium on Advanced Engineering and Applied Management - 40th Anniversary in Higher Education (1970-2010), 4-5 noiembrie, Hunedoara Romania
Visb54 - Claudiu CONSTANTIN, Alina MIHAIU, Nicolae CONSTANTIN "Mathematical model on the correlation of the combustion`s zone parameters in case of using different auxiliary combustibles" International Symposium on Advanced Engineering and Applied Management - 40th Anniversary in Higher Education (1970-2010), 4-5 noiembrie, Hunedoara Romania
Visb55 - Nicolae CONSTANTIN, Cristian DOBRESCU, Raluca PETRACHE "Alternative iron making technologies" International Symposium on Advanced Engineering and Applied Management - 40th Anniversary in Higher Education (1970-2010), 4-5 noiembrie, Hunedoara Romania
Visb56 - Valentin MINCU, Nicolae CONSTANTIN “Influence of vacuum on the quality steels” Conference Proceedings of The Academy of Romanian Scientists Productica Scientific Session – 5-7TH MAY, 2010 Vol 3 2011 Nr 1 ISSN 2067 - 2160 Editura Academiei Oamenilor de Stiintã din Romania Bucuresti, pag 211
Visb57 - 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” The 17th Conference of Energy Engineering - CIE 2011, 02-04 June 2011, Oradea, Romania
Visb58 - OANCEA V., TUDOR M., CRISTIAN D., CONSTANTIN N. “Using pulverized coal as an alternative energotehnological source to produce pig-iron for steelmaking” The 17th Conference of Energy Engineering - CIE 2011, 02-04 June 2011, Oradea, Romania
Visb59 - Drd.ing. Valentin MINCU, prof.dr.ing. Nicolae CONSTANTIN, “Reducerea consumului de electricitate prin folosirea intensã a oxigenului tehnic in siderurgie”, Conferinta Oxygen 2010 Editia a III-a, eveniment organizat de GDF SUEZ Energy Romania in octombrie 2010 la Bucuresti
Visb60 - Drd.ing. Valentin MINCU, prof.dr.ing. Nicolae CONSTANTIN, “Substituirea cocsului petrol folosit in incãrcãtura metalicã a Cuptorului Electric cu Arc cu antracit” New orientations and technology in materials science and steel making Calarasi 2011, eveniment tehnic organizat de Tenaris Silcotub in Cãlãrasi la 23 februarie 2011
Visb61 - Drd.ing. Valentin MINCU, prof.dr.ing. Nicolae CONSTANTIN, “Refining steels produced in Electric Arc Furnace” Conferinta internationalã Innovation and Collaboration in Engineering Research INCER, organizatã in perioada 02-04 Iulie 2012 de Universitatea Politehnica din Bucuresti
Visb62 - Nicolae Constantin, Claudiu Constantin, Alina Mihaiu, Miron Buzduga, Radu Buzduga, Politehnica University Bucharest, CCPPR Alba Iulia, Polymer concrete, 2nd WTA-International Ph.D. Symposium, Held in Brno University of Technology, Czech Republic, in 6th - 7th October 2011
Visb63 - Andrei Victor, Nicolae CONSTANTIN "Experimental research on quality features of metallurgical coke", International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb64 - Besea Liviu, Anda Preda, P. Moldovan, A. Ioana, N. CONSTANTIN "Constructive & functional modernization of EAF" International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb65 - Besea Liviu, Anda Preda, P. Moldovan, A. Ioana, N. CONSTANTIN "About EAF and Environment", International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb66 - Radu Buzduga, Nicolae Constantin, Elena Alexandra Lazar "Research on uses vegetables ashes in processing powders for classical moulding of steel" International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Universitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb67 - Cosmin Petre Mititelu, Nicolae CONSTANTIN, Mircea Hritac "New technology for ferrous oxide waste utilization efficiency of reducting the melting iron cupola getting foundry", International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb68 - Cosmin Petre Mititelu, Nicolae CONSTANTIN, Mircea Hritac "Analysis of financial and economic feasibility study of the technique for implementation a new waste processing technology of ferrous oxide through melting in cupola reducing valves", International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb69 - Branescu Elena, Nicoale CONSTANTIN, Adrian Blajan "Experimental research on the characteristics of softening and melting of iron ore as the major factor of influence on gas permeability of blast furnace charge", International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb70 - Branescu Elena, Nicoale CONSTANTIN, Adrian Blajan "Experimental research on the characteristics of reducibility and mechanical strength of ferrous sinters" International Conference on Applied Science – ICAS 2014, 2-4 octombrie 2014, Hunedoara, Romania, Organizata de Unversitatea Politehnica din Timisoara (Facultatea de Inginerie Hunedoara) si Military Economics Academy of Wuham, China
Visb71 - Alexandru BRAN, Nicolae CONSTANTIN "Third Generation Powder Metallurgy Materials", 5th International Conferince on Material Science and Tehnology, ROMAT 2014, 15-17 octombrie 2014, Bucuresti, Romania
Visb72 - Petru MOLDOVAN, Nicolae CONSTANTIN, Adrian Ioana, Anda PREDA, Liviu BESEA "Improving Electric Arc Furnace (EAF) Operation Through Mathematical Modelling", 5th International Conferince on Material Science and Tehnology, ROMAT 2014, 15-17 octombrie 2014, Bucuresti, Romania
Visb73 - Petru MOLDOVAN, Nicolae CONSTANTIN, Adrian Ioana, Anda PREDA, Liviu BESEA "Technological and Economical Aspects Regarding Hot Rolling on the ASSEL Line at S.C. TMK Slatina" 5th International Conferince on Material Science and Tehnology, ROMAT 2014, 15-17 octombrie 2014, Bucuresti, Romania
Visb74 - Andrei Victor, Nicolae Constantin "Cost efficiency of elaborating iron using pulverized coal as a remplacement the coke of blast furnace", 5th International Conferince on Material Science and Tehnology, ROMAT 2014, 15-17 octombrie 2014, Bucuresti, Romania
Visb75 - Radu Buzduga, Nicolae Constantin, Elena Alexandra Lazar "Research on innovative technology of reuse industrial refuse in the production of refractory products from super- aluminous micro powders" 5th International Conferince on Material Science and Tehnology, ROMAT 2014, 15-17 octombrie 2014, Bucuresti, Romania
Vn - Volumele unor manifestari stiintifice nationale
Vn1 - D. Dobrovici, N. Constantin "Analiza posibilitãtilor teoretice si practice de suflare a cãrbunelui pulverizat la gurile de vãnt ale furnalelor de 1000 m3 de la C.S.H. - Hunedoara, iunie, 1987
Vn2 - N. Constantin, D. Dobrovici "Alcãtuirea modelelor matematice si a nomogramelor pentru determinarea temperaturii teoretice din zona de ardere a furnalelor" Simpozionul national de ciberneticã industrialã si ingineria sistemelor, Bucuresi, mai 1987
Vn3 - N. Constantin, D. Dobrovici "Reducerea consumului de cocs la furnale prin optimizarea incãrcãturii furnalelor" Hunedoara, iunie 1987
Vn4 - N. Constantin, V. Rucai, C. Necsulescu "Determinarea corelatiilor complexe dintre parametri de suflare la gurile de vãnt ale furnalelor" Resita, mai 1989
Vn5 - N. Constantin, V. Rucai, C. Necsulescu "Modele matematice pentru conducerea asistatã de calculator a procesului de elaborare a fontei in furnal in scopul reducerii consumurilor de materiale si energetice" Simpozion national de ciberneticã, Bucuresti, iunie, 1989
Vn6 - N. Constantin, V. Rucai, C. Necsulescu "Analiza posibilitãtilor de inlocuire a gazului metan la furnale cu abur injectat la gurile de vãnt" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990
Vn7 - N. Constantin, V. Geantã "Stabilirea prin modelare matematicã a consumului teoretic optim de cocs la furnale in functie de componenta incãrcãturii" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, - 16, septembrie, 1990
Vn8 - M. Nicolae, N. Constantin, V. Geantã "Cercetãri privind influenta granulatiei si a gradului de omogenizare asupra rezistivitãtii incãrcãturii la elaborarea feroaliajelor cu siliciu" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990
Vn9 - N. Constantin, I. Butnariu "Modelarea matematicã a proceselor din zona oxidantã a furnalelor in scopul corelãrii parametrilor de suflare si conducere asistatã de calculator la elaborarea fontei in furnal" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990
Vn10 - V. Geantã, E. Berceanu, N. Constantin, C. Necsulescu "Dezoxidarea otelului lichid cu aliaje care contin calciu in agregate cu cãptusealã acidã" Brasov, 29-30 april. 1993,pag 119-127
Vn11 - Butnariu, I., Necsulescu, C., Geantã, V., Rucai, V., Constantin, N. "Studiu privind influenta continuturilor initiale de carbon, siliciu, crom si oxigen asupra desfãsurãrii procesului de decarburare in instalatia VOD" Sesiunea de comunicãri stiintifice Stiinta si ingineria materialelor metalice si nemetalice, Galati, 28-30 octombrie 1993
Vn12 - N. Constantin, V. Geantã, G. Matei "Cercetãri privind stabilirea granulatiei si compozitiei optime a aglomeratului avãnd in vedere rezistenta mecanicã, reductibilitatea si permeabilitatea coloanei de incãrcãturã in furnal" Volumul Retehnologizarea proceselor si fluxurilor de productie in siderurgie, Hunedoara, 3-4 nov. 1993, pag. 54-59
Vn13 - N. Constantin, C. Necsulescu, V. Rucai "Cercetãri privind posibilitãtile de crestere a intensitãtii de functionare a furnalelor prin imbunãtãtirea circulatiei gazelor in cuvã" Volumul Retehnologizarea fluxurilor si proceselor in siderurgie, Hunedoara 3-4.nov.1993, pag. 42-46
Vn14 - N. Constantin, I. Butnariu, G. Matei "Conducerea asistatã de calculator a parametrilor de suflare in creuzetul furnalului in cazul functionãrii cu diversi combustibili auxiliari" Volumul Retehnologizarea proceselor si fluxurilor in siderurgie, Hunedoara 3-4.nov.1993, pag. 46-49
Vn15 - N. Constantin "Intensificarea proceselor din furnale prin perfectionarea circulatiei fazei gazoase" Bucuresti Conferinta Nationalã de Metalurgie 27-29 sept. 1995
Vn16 - N. Constantin, C. Cãtanã, D. Nedelcu, V. Geantã "Cercetãri privind caracteristicile fizico-chimice ale materiilor prime utilizate la furnal in vederea realizãrii eficientizãrii procesului de elaborare" Sesiune de comunicãri stiintifice Hunedoara, 4-5 noiembrie 1999, Tomul I, Fascicola I, pag. 13-19, ISSN 1454-6531
Vn17 - O. Stãnãsilã, C. Stãnãsilã, N. Constantin, C. Cãtanã, D. Nedelcu "Cercetãri experimentale de laborator de reducere in stare solidã cu carbon in instalatie neconventionalã a produselor secundare metalurgice in vederea recuperãrii elementelor utile" Sesiune de comunicãri stiintifice Hunedoara 4-5 noiembrie 1999 Tomul I, Fascicola I, pagina 7-12, ISSN 1454-6531
Vn18 - V. Geantã, N. Constantin, R.Stefãnoiu "Influenta naturii si debitului de gaz asupra gradului de asimilare a carbonului in topituri metalice la injectarea materialelor pulverulente" Sesiune de comunicãri stiintifice Hunedoara, 4-5 noiembrie 1999 Tomul I, Fascicola I, pag. 65-72, ISSN 1454-6531
Vn19 - N. Constantin, M. Nicolae " Analiza posibilitãtilor de imbunãtãtire a calitãtii aglomeratelor utilizate in incãrcãtura furnalelor" Conferinta Nationalã de Metalurgie, Bucuresti, 21-23, septembrie, 1994
Vn20 - N. Constantin, M. Nicolae "Analiza posibilitãtilor de imbunãtãtire a circulatiei gazelor in cuva furnalului in vederea cresterii productivitãtii si reducerea consumului de materiale si energie la elaborarea fontei" Conferinta Nationalã de Metalurgie, Bucuresti, 21-23, septembrie, 1994
Vn21 - Heput Teodor, Socalici Ana, Ardelean Erika, Ardelean Marius, Constantin Nicolae, Buzduga Miron, Buzduga Radu "Bricheta Tubulara din Deseuri Feroase Pulverulente - RO 126946 B1" Research and inovation exhibition, First edition, Ugalinvent 8-10 octombrie 2014, Universitatea Dunarea de Jos din Galati
Vn22 - Cost Efficiency of Elaborating Iron by Using Pulverized Coal as a Replacement for Coke in Blast Furnaces, Simpozionul Stiintific Studentesc HD-45-Stud, sectiunea SD-07, Studii doctorale (limba engleza), Hunedoara, 22-23 mai 2015
Vn23 - The Application of Statistical and Mathematical Methods of Analysis to Real Data Processing Operation of a Blast Furnace, Simpozionul Stiintific Studentesc HD-45-Stud, sectiunea SD-07, Studii doctorale (limba engleza), Hunedoara, 22-23 mai 2015
Lucrãri stiintifice comunicate la simpozioanele nationale (fãrã editare de volum)
1. D. Dobrovici, N. Constantin "Posibilitãti de utilizare a gudronului de huilã si a diferitelor subproduse de la distilarea gudronului, drept combustibili auxiliari la furnale." - Hunedoara, iunie 1986.
2. D. Dobrovici, N. Constantin "Analiza posibilitãtilor teoretice si practice de suflare a cãrbunelui pulverizat la gurile de vãnt ale furnalelor de 1000 m3 de la C.S.H." - Hunedoara, iunie, 1987.
3. N. Constantin, D. Dobrovici "Alcãtuirea modelelor matematice si a nomogramelor pentru determinarea temperaturii teoretice din zona de ardere a furnalelor" Simpozionul national de ciberneticã industrialã si ingineria sistemelor, Bucuresi, mai 1987.
4. N. Constantin, D. Dobrovici "Reducerea consumului de cocs la furnale prin optimizarea incãrcãturii furnalelor" Hunedoara, iunie 1987.
5. N. Constantin, V. Rucai, C. Necsulescu "Determinarea corelatiilor complexe dintre parametri de suflare la gurile de vãnt ale furnalelor" Resita, mai 1989.
6. N. Constantin, V. Rucai, C. Necsulescu "Modele matematice pentru conducerea asistatã de calculator a procesului de elaborare a fontei in furnal in scopul reducerii consumurilor de materiale si energetice" Simpozion national de ciberneticã, Bucuresti, iunie, 1989.
7. N. Constantin, V. Rucai, C. Necsulescu "Analiza posibilitãtilor de inlocuire a gazului metan la furnale cu abur injectat la gurile de vãnt" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990.
8. N. Constantin, V. Geantã "Stabilirea prin modelare matematicã a consumului teoretic optim de cocs la furnale in functie de componenta incãrcãturii" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990.
9. M. Nicolae, N. Constantin, V. Geantã "Cercetãri privind influenta granulatiei si a gradului de omogenizare asupra rezistivitãtii incãrcãturii la elaborarea feroaliajelor cu siliciu" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990.
10. N. Constantin, I. Butnariu "Modelarea matematicã a proceselor din zona oxidantã a furnalelor in scopul corelãrii parametrilor de suflare si conducere asistatã de calculator la elaborarea fontei in furnal" Simpozionul de Stiinta si Ingineria materialelor, Bucuresti, 15-16, septembrie, 1990.
11. N. Constantin, M. Nicolae "Analiza posibilitãtilor de imbunãtãtire a calitãtii aglomeratelor utilizate in incãrcãtura furnalelor" Conferinta Nationalã de Metalurgie, Bucuresti, 21-23 septembrie, 1994.
12. N. Constantin, M. Nicolae "Analiza posibilitãtilor de imbunãtãtire a circulatiei gazelor in cuva furnalului in vederea cresterii productivitãtii si reducerea consumului de materiale si energie la elaborarea fontei" Conferinta Nationalã de Metalurgie, Bucuresti, 21-23 septembrie, 1994.
13. N. Constantin "Influenta proceselor de reducere in furnal asupra consumului specific de cocs" Referat I de doctorat, sustinut in Catedra Siderurgie, mai 1989.
14. N. Constantin "Metodica de cercetare a termodinamicii si cineticii proceselor fizico-chimice in furnal" Referat II de doctorat, sustinut in Catedra Siderurgie,mai 1989.
V. BREVETE DE INVENTIE / INOVATII (B, A)
B - Brevete de inventie
B1 - Title: Method of treating inductrial iron containing waste involves treating waste as powder within pelletization flow to obtain pellets and eliminating local pollution generated by waste manipulation, Patent Number(s): RO126045-A2, Patent Assignee: INST CERC METALURGICE SA , Inventor(s): HRITAC M; DEMI P; CONSTANTIN N, et al.
B2 - Title: Process for recovery of pollutant superfine ferrous dusts and slimes resulting from ferrous metallurgy, Patent Number: RO126478-A2, Patent Assignee: INST CERC METALURGICE SA, Inventor(s): HRITAC M; DEMI P; CONSTANTIN N et al.
B3 - Title: Special refractory concrete composition for steel foundries comprises 2...7% aluminous cement, Patent Number: RO126119-A2 , Patent Assignee: VULTURUL SA, Inventor(s): ANGELESCU N; BRANZA M; CONSTANTIN N; et al.
B4 - Title: Lubricant powders for a crystallizer, Patent nr. RO 126400 (A2), Patent Assignee: INST CERC METALURGICE SA, Inventor(s): ITTU CONSTANTA, BALOG PATRICIA, CONSTANTIN NICOLAE, ANGELESCU NICOLAE, NEDELCU ION
B5 - Title: Realizarea aliajelor durificabile prin precipitare baza cu prin procedeul de turnare continua, Patent nr. A/00512/07.07.2009, Patent Assignee: SC TECHNOMAT PROD SRL, Inventor(s): Nedelcu Ion, Cosmeleata Daniela, Bololoi Robert, Carceanu Irina, Nedelcu Dorel, CONSTANTIN NICOLAE, et al.
B6 - Title: Sistem de tragere al barei din cristalizor in cadrul instalatiilor de turnare continua orizontala Patent nr. A/01038/11.12.2009, Patent Assignee: SC PRELUCRARI METALURGICE PROD SRL, Inventor(s): Nedelcu Ion, Carceanu Irina, Nedelcu Dorel, CONSTANTIN NICOLAE, et al.
B7 - Title: Cristalizor cu lubrifiere in zona de solidificare destinat echiparii instalatiei de turnare continua orizontala a aliajelor Fe-Ni, Patent nr. A/01038/11.12.2009, Patent Assignee: SC PRELUCRARI METALURGICE PROD SRL, Inventor(s): Nedelcu Ion, Carceanu Irina, Nedelcu Dorel, CONSTANTIN NICOLAE, et al.
