Effects of Phase Transformation Temperature on Formation of Wear-Induced Layer in Fe-Ni Alloys

被引：2
作者：
Sato, Hisashi [1 ]
Kubota, Yuichi [1 ]
Miura-Fujiwara, Eri [1 ]
Watanabe, Yoshimi [1 ]
机构：
[1] Nagoya Inst Technol, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
来源：
PRICM 7, PTS 1-3 | 2010年 / 654-656卷
关键词：
Wear; phase transformation; EBSD; severe plastic deformation; NANOCRYSTALLINE STRUCTURE;
D O I：
10.4028/www.scientific.net/MSF.654-656.1227
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Effects of the transformation temperature on formation behavior of the wear-induced layer in Fe alloys are investigated using Fe-33mass%Ni and Fe-30mass%Ni alloys. Martensitic transformation temperature (M-s) and reverse transformation temperature (A(s)) of Fe-33mass%Ni alloy are lower than those of Fe-30mass%Ni alloy. Microstructure of the wear-induced layer in Fe-33mass%Ni alloy was single austenite phase (gamma) with fine grain. On the other hand, the wear-induced layer in Fe-30mass%Ni alloy consists of martensite (alpha') and gamma with fine structure. This difference is due to the difference of A(s) between these Fe-Ni alloys. Moreover, the microstructure of the wear-induced layer has no dependence on the distribution of alpha' in initial microstructure. From obtained results, it is concluded that the formation of the wear-induced layer in Fe alloys is mainly affected by A(s).
引用
收藏
页码：1227 / 1230
页数：4
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