Influence of Aging Treatment on Precipitation Behavior of η Phase in Ni-Co-Cr Alloy

被引：1
|
作者：
WAN Wen-juan
机构：
来源：
Journal of Iron and Steel Research(International) | 2010年 / 17卷 / 01期
关键词：
precipitation; η; phase; aging;
D O I：
10.13228/j.boyuan.issn1006-706x.2010.01.003
中图分类号：
TG166 [有色金属及其合金的热处理];
学科分类号：
080201 ; 080503 ;
摘要：
The influence of aging treatment on precipitation behavior of η phase in a new Ni-Co-Cr fastener superalloy,AEREX350,was investigated by means of optical microscopy,scanning electron microscopy (SEM) and transmission electron microscopy (TEM).The precipitation behavior of η phase with two kinds of morphologies in this material was found to be sensitive to the temperature and time of aging treatment.Time-temperature-transformation curves of these two η phase were achieved.Furthermore,diffraction patterns revealed the semi-coherent orientation relationship between η phase and γ matrix.This approach may be used to optimize the microstructure of the alloy for excellent mechanical properties.
引用
收藏
页码：64 / 69 +78
页数：7
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