Microanalysis of precipitates in Ti-Al alloy

被引：0
|
作者：
Zheng, JG [1 ]
机构：
[1] Univ Liverpool, Dept Engn, Liverpool L69 3GH, Merseyside, England
来源：
ELECTRON MICROSCOPY AND ANALYSIS 1999 | 1999年 / 161期
关键词：
D O I：
暂无
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Nitride precipitates in TiAl alloys have been studied by microdiffraction and microanalysis on TEM and STEM. They have the perovskite crystal structure and needle-like shape. A higher Ti/Al ratio and a higher N concentration were detected in the precipitates as compared with the matrix. Defects play an important role in the formation of the precipitates.
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页码：435 / 438
页数：4
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