2010
DOI: 10.1016/j.surfcoat.2009.09.052
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Plasma nitriding of 316L austenitic stainless steel: Experimental investigation of fatigue life and surface evolution

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Cited by 86 publications
(46 citation statements)
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“…To accomplish this, DSS are submitted to thermochemical treatments as plasma nitriding to increase the surface hardness 1,2 , wear resistance 3 and fatigue properties 4 . Nitriding is done at low temperatures to prevent nitrides formation, which reduces corrosion resistance 5 .…”
Section: Introductionmentioning
confidence: 99%
“…To accomplish this, DSS are submitted to thermochemical treatments as plasma nitriding to increase the surface hardness 1,2 , wear resistance 3 and fatigue properties 4 . Nitriding is done at low temperatures to prevent nitrides formation, which reduces corrosion resistance 5 .…”
Section: Introductionmentioning
confidence: 99%
“…A precipitação de nitretos causa empobrecimento do cromo em solução sólida, o que reduz a resistência à corrosão. Isto ocorre porque o empobrecimento do cromo dificulta a formação da camada passiva (6,7,10) . Acredita-se que a precipitação de nitretos ocorreu em todas as camadas nitretadas em diferentes atmosferas devido a maior temperatura na superfície da amostra em relação a posição do termopar, conforme discutido por Lima (11) .…”
Section: Resultsunclassified
“…Para preservar o caráter inoxidável do aço, o tratamento deve ser realizado em baixa temperatura. Neste caso, o nitrogênio se difunde na rede cristalina formando um solução sólida supersaturada de nitrogênio, que expande o parâmetro de rede da estrutura cristalina CFC, constituindo uma fase conhecida como austenita expandida (γ N ) (5)(6) .…”
Section: Introductionunclassified
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“…Unfortunately, the easy-axis directions for expanded austenite are unknown. This fact together with the concomitant exchange and dipolar coupling between grains and the plastic deformation induced by nitriding [24][25][26] make the analysis of the loops rather complex. Nevertheless, the stepped loops for grains B and C may arise from the presence of two competing anisotropies, e.g., cubic ͑perhaps intrinsic to the expanded austenite͒ and uniaxial ͑e.g., due to residual strain͒ and a measuring field away from the easy-axes.…”
mentioning
confidence: 99%