CHARACTERIZATION OF GAMMA'-FE4N PRECIPITATES IN A COMPOUND LAYER FORMED BY AUSTENITIC NITROCARBURIZING TREATMENT

被引：2
|
作者：
WANG, YR
RONG, YH
CHEN, XK
HU, AX
机构：
[1] Department of Materials Science, Shanghai Jiao Tong University
来源：
MATERIALS CHARACTERIZATION | 1995年 / 34卷 / 03期
关键词：
D O I：
10.1016/1044-5803(95)00016-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The precipitation of gamma'-Fe4N phase from the epsilon-matrix in a quenched and aged compound layer of 0.2%C steel formed by austenitic nitrocarburizing treatment has been investigated through transmission electron microscopy. The orientation relationship between the gamma' phase and the epsilon matrix is determined to be {0001}(epsilon) // {111}(gamma'), and [1 (2) over bar 10](epsilon) // [011](gamma'). The gamma' precipitates appearing in thin plates in the {0001} planes of epsilon matrix are sometimes observed to be 180 degrees related to each other. The mechanism of age-hardening in the compound layer is also discussed.
引用
收藏
页码：213 / 216
页数：4
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