A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding

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Mechanical and tribological properties of AISI 304 and AISI 316 stainless steels submitted to glow discharge ion nitriding are reported. The atmosphere was 20:80 - N2:H2 with substrate temperatures ranging from 300 to 500 °C. Treatment at 300 °C produced expanded austenite (γN) in both steels. Incre...

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Principais autores: Nascimento, Fabiana Cristina, Foerster, Carlos Eugênio, Silva, Silvio Luiz Rutz da, Lepienskia, Carlos Mauricio, Siqueira, Carlos José de Mesquita, Alves Júnior, Clodomiro
Formato: article
Idioma:eng
Publicado em: Materials Research
Assuntos:
hardness
austenitic steels
mechanical properties
nitriding
Endereço do item:https://repositorio.ufrn.br/jspui/handle/1/11811
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spelling ri-1-118112020-07-10T18:14:11Z A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding Nascimento, Fabiana Cristina Foerster, Carlos Eugênio Silva, Silvio Luiz Rutz da Lepienskia, Carlos Mauricio Siqueira, Carlos José de Mesquita Alves Júnior, Clodomiro hardness austenitic steels mechanical properties nitriding Mechanical and tribological properties of AISI 304 and AISI 316 stainless steels submitted to glow discharge ion nitriding are reported. The atmosphere was 20:80 - N2:H2 with substrate temperatures ranging from 300 to 500 °C. Treatment at 300 °C produced expanded austenite (γN) in both steels. Increasing the temperature, the phases γ′-Fe4N and ε- Fe2+xN were present and the latter is the major phase for AISI 304. At 500 °C, the CrN phase was also identified in both steels. Hardnesses of about 13-14 GPa at near surface regions were obtained in both steels. Moreover, AISI 316 nitrided at 500 °C has the deepest hard layer. Tribological tests showed that wear can be reduced by up to a factor of six after the nitriding processes, even for a working temperature of 300 °C. The profiles during and after nanoscratch tests did not reveal significant differences after nitriding processes in both steels. 2014-05-11T01:24:43Z 2014-05-11T01:24:43Z 2009-04-17 article Materials Research, Vol. 12, No. 2, 173-180, 2009 https://repositorio.ufrn.br/jspui/handle/1/11811 eng Acesso Aberto application/pdf Materials Research
institution Repositório Institucional
collection RI - UFRN
language eng
topic hardness
austenitic steels
mechanical properties
nitriding
spellingShingle hardness
austenitic steels
mechanical properties
nitriding
Nascimento, Fabiana Cristina
Foerster, Carlos Eugênio
Silva, Silvio Luiz Rutz da
Lepienskia, Carlos Mauricio
Siqueira, Carlos José de Mesquita
Alves Júnior, Clodomiro
A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
description Mechanical and tribological properties of AISI 304 and AISI 316 stainless steels submitted to glow discharge ion nitriding are reported. The atmosphere was 20:80 - N2:H2 with substrate temperatures ranging from 300 to 500 °C. Treatment at 300 °C produced expanded austenite (γN) in both steels. Increasing the temperature, the phases γ′-Fe4N and ε- Fe2+xN were present and the latter is the major phase for AISI 304. At 500 °C, the CrN phase was also identified in both steels. Hardnesses of about 13-14 GPa at near surface regions were obtained in both steels. Moreover, AISI 316 nitrided at 500 °C has the deepest hard layer. Tribological tests showed that wear can be reduced by up to a factor of six after the nitriding processes, even for a working temperature of 300 °C. The profiles during and after nanoscratch tests did not reveal significant differences after nitriding processes in both steels.
format article
author Nascimento, Fabiana Cristina
Foerster, Carlos Eugênio
Silva, Silvio Luiz Rutz da
Lepienskia, Carlos Mauricio
Siqueira, Carlos José de Mesquita
Alves Júnior, Clodomiro
author_facet Nascimento, Fabiana Cristina
Foerster, Carlos Eugênio
Silva, Silvio Luiz Rutz da
Lepienskia, Carlos Mauricio
Siqueira, Carlos José de Mesquita
Alves Júnior, Clodomiro
author_sort Nascimento, Fabiana Cristina
title A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
title_short A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
title_full A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
title_fullStr A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
title_full_unstemmed A Comparative Study of Mechanical and Tribological Properties of AISI-304 and AISI-316 Submitted to Glow Discharge Nitriding
title_sort comparative study of mechanical and tribological properties of aisi-304 and aisi-316 submitted to glow discharge nitriding
publisher Materials Research
publishDate 2014
url https://repositorio.ufrn.br/jspui/handle/1/11811
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