• Nenhum resultado encontrado

Adicionar argônio na mistura e avaliar sua influência na espessura e na resistência ao desgaste microabrasivo da camada nitretada.

Variar as relações entre H2, N2 e CH4 e buscar uma mistura otimizada que forneça

REFERÊNCIAS

ALVES JR., C. Nitretação a plasma: fundamentos e aplicações .: ED. UFRN, 2001 Natal:

ALVES JR., C. et al. Nitretação a plasma em duas etapas do aço ABNT 316. In: INTERNATIONAL CONGRESS FOR SURFACE FINISHING, 7, 1992, São Paulo.

Anais. São Paulo: ABTS. 1992. V. 2, p. 779.

ASHRAFIZADEH, F. Influence of plasma and gás nitriding on fatigue resistence

of plain carbon C45 steel. SURFACE AND COATINGS TECHNOLOGY, 2003,

v.80, p.173-174.

BHADESHIA H.K.D.H. et al. The strengthening of iron and its alloys steels. (THIRD EDITION), p. 17-38, 2006.

BATISTA, M. J. C. A et al. Micro-abrasive wear testing of pvd tin coatins on

untreated and plasma nitred AISI H13 steel. WEAR, 2002, v. 249, p. 971-979.

BERG, M.C.V. et al. On plasma nitriding of steels, SURFACE AND COATINGS TECHNOLOGY, 2000 v. 24, p. 25–31.

BINDER, C. et al. AvaliaçãoTribológica de Fases de Nitretos Obtidas pelo

Processo de Nitretação a Plasma em Componentes de Ferro SinterizADO. 17º

CBECIMAT - CONGRESSO BRASILEIRO DE ENGENHARIA E CIÊNCIA DOS MATERIAIS. Foz do Iguaçu, PR, 2006.

BLAWERT, C. et al. The effect of HV in the nitriding of ferritic steels by plasma

immersion ion implantation - SURFACE AND COATINGS TECHNOLOGY, 142-

144 (2001) 376-383.

BORGIOLI, F. et al. Glow-discharge nitriding and post-oxidising treatments of

AISI H 11 steel. SURFACE AND COATING TECNOLOGY, 162.;2002.

BORGES A. C.F.M. et al. E. Decreasing chromium precipitation in aisi 304

stainless steel during the plasma-nitriding process, SURFACE AND COATINGS

TECHNOLOGY, v.123, pp. 112–121, 2000.

BRESSAN, J.D. et al. Influência do revenimento na resistência ao desgaste do

aço Villares D2: TECNOLOGIA EM METALURGIA E MATERIAIS, São Paulo. V.4,

n.1, p. 53 – 58, jul. set. 2007.

CASTRO G. et al. Influence of nitriding time in the wear behaviour of an aisi H13

steel during a crankshaft forging process. WEAR, 2007,v.263, p.1375 – 1385.

CONCI, M.D. et al. Estudo do efeito da adição de argônio aos gases de

nitretação sobre o desgaste microabrasivo do aço ferramenta AISI D2. VI

CONFERÊNCIA BRASILEIRA SOBRE TEMAS DE TRATAMENTO TÉRMICO, TTT, Atibaia, SP, Brasil, 2012.

CONRADS, H. et al. Plasma generation and plasma sources. PLASMA SOURCES SCIENCE TECHNOLOGY, v. 9, n. 4, p. 441-454, 2000.

COSTA E SILVA, A.L.V. et al. Aços e ligas especiais, 2°edição, São Paulo, Edgard Blucher, 2006.

COTTRELL, A.H. et al. Dislocation theory of yielding and strain geing of iron PROC. PHYS. SOC. A 62 - 49, 1949.

COZZA, R.C. et al. Friction coefficient and abrasive wear modes in ball-

cratering tests conducted at constant normal force constant pressure – preliminary results. WEAR, v. 267, p. 61-70, 2009.

DAVIS, J.R.: Surface hardening of steels: understanding the basics. ASM INTERNATIONAL, MATERIALS PARK, Ohio, USA, p. 141-194, 2002.

DE BÔRTOLI, E.B. et al. Influência da temperatura de nitretaçâo a plasma na

espessura e resistência ao desgastede camadas de austenita expandida formadas em aço inoxidável AISI 316L. VI CONFERÊNCIA BRASILEIRA SOBRE

TEMAS DE TRATAMENTO TÉRMICO - TTT- Atibaia, SP, 2012.

EDENHOFER, B. Physical and metallurgical aspects of ion nitriding – Part 1. HEAT TREATMENT OF METALS, v. 1, p. 23-28, 1974(a).

EDENHOFER, B. Physical and metallurgical aspects of ion nitriding – Part 2. HEAT TREATMENT OF METALS, v.1, pp.59-67, 1974(b).

EGERT, P. et al. Descarburization during plasma nitriding. SURFACE AND A COATINGS TECHNOLOGY, v. 122, n.1, 33-8, 1999.

FRANCO JR, A.R. Obtenção de revestimentos dúplex por nitretação a plasma e

PVD-TiN em aços ferramentas AISI D2 e AISI H13.TESE DE DOUTORADO.

Escola Politécnica da USP, São Paulo, 2003.

GAHR, K. H. Z. Material wissens chaftund WERKS TOFFTECHNIK, v.34 page 903, October, 2003.

GENTILE, F. C. et al. Estudo do processo de cross-wedge Rolling para a

Produção de Eixos Escalonados com Aços Microligados; Trabalho apresentado

no XXI SENAFOR, 23 e 24/10/2001, Gramado, RS.

GOLDSTON, R.J. et al. Introduction to plasma physics, 1 ed., INSTITUTE OF PHYSICS PUBLISHING BRISTOL AND PHILADELPHIA.

HILLENBRAND, H. G. Development and production of high strength pipeline

steels. IN NIOBIUM 2001, Orlando, USA, p.3-4, 2001.

HONG, DU. Et al. An assessment of the Fe-C-N system. ZEITSCHRIFT FUR METALLKUNDE, v.82, n.4, p. 310-6, 1991

HONG, D. et al. METALLKAD, v.82, n.4 (1991) 310 – 316.

JACK, D.H. et al. Invited Review: Carbides and nitrides in steel, MATERIALS SCIENCE AND ENGINEERING, v.11, p. 1-27, 1973.

KUPPUSAMI P. Surf.eng. 9 (2) (1993) 137-141

LAMPE, T. et al. Surface engineering 9 (1993) 69 – 76.

LAMPMAN, S. Introduction to surface hardening of steels .In ASM

INTERNATIONAL HANDBOOK: HEAT TREATING, vol. 4, Utah, International Library Service, p. 420-424, 1991.

LAWALL, I.T. et al. Otimização dos parâmetros de processo na nitretação iônica

do aço ABNT 4340. 48° CONGRESSO ANUAL DA ABM, Rio de Janeiro, 1993.

LESAGE, L. et al. Influence of hydrogen contamination on the tensile behavior

of a plasma ion nitrided steel .MATERIALS SCIENCE AND ENGINEERING A282

(2000) 203–212.

LIMA, J.A. et al. Estudo do gradiente térmico no processo de nitretação a

plasma. REVISTA MATÉRIA, v. 10, n. 2, p. 273-283, 2005.

MAHBOUBI, F. et al. Plasma nitriding of microalloyed steel. SURFACE AND COATINGS TECHNOLOGY, 71 (1995), 135-141.

MAHBOUBI, F. et al. Duplex treatment of plasma nitriding and plasma oxidation

of plain carbon steel, VACUUM, v. 7, is. 1-2, pp. 1-6, 8 de julho de 2005.

MELADO, A. C. et al. Efeito da mistura gasosa na resistência ao desgaste

microabrasivo do aço ferramenta AISI H13 nitretado a plasma. 19º CEBECIMAT,

Campos do Jordão,S.P,2010.

MENTHE, E. et al. Improvement of the mechanical properties of austenitic

stainless steel after plasma nitriding, SURFACE AND COATINGS

TECHNOLOGY, V. 133, 134, pp. 259-263, Novembro 2010.

METIN, E. et al. Journal of materials science, 22 (1987), 2783 - 2788.

MIOLA, E.J. et al. Systematic study on influence of the nitriding parameters on

pure iron superficial layer properties SURFACE AND COATINGS

TECHNOLOGY, v. 167, p.33-40, 2003.

MONGIS J. et al. Treat heat. metais, 3(1984) 71

NASSER, E. Fundamentals of gaseous ionization and plasma eletronics. JOHN WILEY&SONS, INC.London.1971

NOLAN, D. et al. Estimation of fracture toughness of nitride compound layers

on tool steel by application for Vickers indentation method. SURFACE AND

COATINGS TECHNOLOGY, v. 201, p.182-188, 2006.

O’BRIEN, J.M. et al. Plasma (ion) nitriding. In: ASM INTERNATIONAL

HANDBOOK COMMITTEE, ASM HANDBOOK: HEAT TREATING, vol. 4, Utah, international Library Service, p. 420-424, 1991.

OLIVEIRA, S.D. et al. On the _ to _ Nitride transformation after plasma nitriding

and aging a low carbon steel. JOURNAL OF MATERIALS SCIENCE LETTERS,

v.21, p. 689-691, 2002.

PANNONI, F. D. et al. Comportamento à corrosão do aço AISI 4140 nitretado

sob plasma em diferentes misturas gasosas. ANAIS DO 61° CONGRESSO

ANUAL DA ABM, Rio de Janeiro, RJ, 2006.

PICKERING, F. B.L. et al. Iron and steel institute specification, Rep.n°81, 10, 1963. Apud R. W. K. Honeycombe e H. K. D. H. Bhadeshia, Steel –

MICROSTRUCTURE AND PROPERTIES.2a edition, Butterworth-Heinemann, 1995. PINEDO, C. E. Fundamentos da nitretação sob plasma para o tratamento

superficial de aços e ligas especiais. II CONFERÊNCIA BRASILEIRA SOBRE

TEMAS DE TRATAMENTO TÉRMICO. Atibaia, São Paulo, 2004

POORHAYDARI, K. et al. Correlation between microstructure and yield strength

in low-carbon high-strength micro alloyed steels. IPC2006-10048.In: 6TH

INTERNATIONAL PIPELINE CONFERENCE, Calgary, Alberta, Canada, 2006. PRIEST, J.M. et al. The action of hydrogen in low-pressure r.f.-plasma nitriding, SURFACE AND COATINGS TECHNOLOGY, v. 145, pp. 152-163, 2001.

PYE, D. Pulsed plasma ion nitriding and control of the compound zone (or

white layer). SECOND INTERNATIONAL CONFERENCE ON CARBURIZING AND

NITRIDING WITH ATMOSPHERES. Cleveland, Ohio, 1995.

QUAST, M. et al. SURFACE AND COATINGS TECHNOLOGY, v. 135, iss. 2-3, pp. 238-249, 15 de janeiro de 2001.

RAJU.S. et al.: Structural systematics of cubics binary carbides and nitride. MATERIALS LETTERS, v.15, p. 56-67, 1992.

REED-HILL R. E. et al. Principios da metalurgia física, PWS- KENT, BOSTON, MA, 3 ed., 1993, p. 679-685.

RIBAS, P.R.F. et al. Fatores que afetam a resistência ao desgaste de aços e

ferros fundidos utilizados em componentes mecânicos que trabalham em mineração. São Paulo: ANAIS 57O. ABM, 2002.p.1810-1819.

SHARMA, M.K. et al. Plasma nitriding of austenitic stainless steel in N2 and N2–

H2 dc pulsed discharge, SURFACE & COATINGS TECHNOLOGY, v. 201, pp.

2407–2413, 2006.

SiCILIANO, F. Materiais para gasodutos, METALURGIA & MATERIAIS-volume 64, São Paulo, maio de 2008.

SLYCKE, J. et al. Nitrocarburizing and the ternary Fe-N-C phase diagram. SCANDINAVIAN JOURNAL OF METALLURGY, v.17, p 122-6, 1988.

STACHOWIAK, G.B. et al. Wear mechanism in ball-cratering tets with large

abrasive particles. WEAR, v.256, p.600-607, 2004.

STAINE, A. M. Heat treatment of metals, 4, (1990), 85 -92.

STINVILLE, J.C.; P. et al. Plasma nitriding of 316L austenitic stainless steel:

experimental investigation of fatigue life and surface evolution, SURFACE &

COATINGS TECHNOLOGY, v.204, pp.1947–1951, 2010

SUN, Y. et al. Plasma surface engineering of low alloy steel. MATERIALSSCIENCE AND ENGINEERING .v140, p.419-434, 1991.

TIBBETTS, G.G. Role of nitrogen atoms in ion‐‐‐‐nitriding, JOURNAL OF APPLIED PHYSICS, v. 45, Iss.11, 1974.

TIER, M.A. et al. A study of grain boundary precipitation during plasma nitriding

of steel. SURFACE MODIFICATION TECHNOLOGIES, p. 225-231, UK, 2002.

TREZONA, R.I. et al Transitions betweentwobody and three-body abrasive wear

- influence of test conditions in the microscale abrasive wear test. WEAR,

v.225-229, p. 205-214, 1999.

TORKAR, M.et al. Pulsed-plasma nitriding of Fe-12,5 Al alloy, INTERMETALLICS, v. 3, pp. 427-430, 1995.

UMA DEVI, M. Wear behaviour of plasma nitrided tool stell. SURFACE AND COATINGS TECHNOLOGY, v.116 – 119, p.212 – 221, 1999.

WEISS, H. Adhesion of advanced overlay coatings: mechanims and

quantitative assessment. SURFACE AND COATINGS TECHNOLOGY, v 71,

p.201-207, 1995.

WOODHEAD, J. H. HSLA STEELS: Metallurgy and applications; ASM INTERNATIONAL, Beijing; China; p. 15; 1985

ZAGONEL, L.F. et al. Influence of the process temperature on the steel

microstructure and hardeningin pulsed plasma nitriding. - SURFACE AND