Martensitic stainless steel AISI 420 nitrided by cathodic cage technique

被引：2
|
作者：
Sousa, R. M. [1 ]
De Araujo, F. O. [2 ]
Ribeiro, K. J. B. [3 ]
De Sousa, R. S. [3 ]
Barbosa, J. C. P. [3 ]
Alves Junior, C. [3 ]
机构：
[1] Ctr Fed Educ Tecnol Piaui, Dept Mecan, Teresina, PI, Brazil
[2] Univ Fed Rural Semi Arido, Dept Ciencias Ambientais, Mossoro, RN, Brazil
[3] Univ Fed Rio Grande do Norte, Dept Fis, Labplasma, BR-59072970 Natal, RN, Brazil
来源：
MATERIA-RIO DE JANEIRO | 2008年 / 13卷 / 01期
关键词：
Cathodic Cage; stainless steel AISI 420; edge effect;
D O I：
10.1590/S1517-70762008000100012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
AISI 420 stainless steel samples have been nitrided by cathodic cage technique with addition of methane to reduce chromium nitride precipitation, increase hardness and wear resistance without presence of characteristic defects inherent to the ionic nitriding. Microhardness profile and X-ray analysis confirm formation of layer with high hardness constituted for two regions: one internal region composed for carbon and another composed for nitrogen.
引用
收藏
页码：104 / 109
页数：6
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