Characteristic of Low Temperature Carburized Austenitic Stainless Steel

被引：4
|
作者：
Istiroyah [1 ]
Pamungkas, M. A. [1 ]
Saroja, G. [1 ]
Ghufron, M. [1 ]
Juwono, A. M. [1 ]
机构：
[1] Brawijaya Univ, Fac Nat Sci, Phys Dept, Malang, Indonesia
来源：
INTERNATIONAL CONFERENCE ON CHEMISTRY AND MATERIAL SCIENCE (IC2MS) 2017 | 2018年 / 299卷
关键词：
D O I：
10.1088/1757-899X/299/1/012048
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Low temperature carburizing process has been carried out on austenitic stainless steel (ASS) type AISI 316L, that contain chromium in above 12 at%. Therefore, conventional heat treatment processes that are usually carried out at high temperatures are not applicable. The sensitization process due to chromium migration from the grain boundary will lead to stress corrosion crack and decrease the corrosion resistance of the steel. In this study, the carburizing process was carried out at low temperatures below 500 degrees C. Surface morphology and mechanical properties of carburized specimens were investigated using optical microscopy, non destructive profilometer, and Vicker microhardness. The surface roughness analysis show the carburising process improves the roughness of ASS surface. This improvement is due to the adsorption of carbon atoms on the surface of the specimen. Likewise, the hardness test results indicate the carburising process increases the hardness of ASS.
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页数：5
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