Nitriding of steel surface by spraying pulsed-arc plasma jet under atmospheric pressure

被引：25
|
作者：
Ichiki, Ryuta [1 ]
Nagamatsu, Hirokazu [1 ]
Yasumatsu, Yuta [1 ]
Iwao, Tadasuke [1 ]
Akamine, Shuichi [1 ]
Kanazawa, Seiji [1 ]
机构：
[1] Oita Univ, Dept Elect & Elect Engn, Oita 8701192, Japan
来源：
MATERIALS LETTERS | 2012年 / 71卷
关键词：
Nitriding; Surface hardening; Atmospheric-pressure plasma; Plasma jet;
D O I：
10.1016/j.matlet.2011.12.054
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Surface hardening of steel has been achieved by nitriding using an atmospheric-pressure plasma. Spraying the pulsed-arc nitrogen plasma jet onto a steel surface produces the diffusion layer and the compound layer, provided that hydrogen gas is added to the ambient nitrogen atmosphere. The entire surface of a disk sample of 20 mm in diameter can be hardened although the thickness of the hardened layer is less where the distance from the center of jet spraying is larger. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：134 / 136
页数：3
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