Microstructure and Mechanical Properties of Spray Deposited Ni-based Superalloys

被引：0
|
作者：
米国发 [1 ]
机构：
[1] hool of Materials Science and Engineering, Henan Polytechnic University
来源：
Journal of Wuhan University of Technology(Materials Science) | 2009年 / 24卷 / 05期
关键词：
spray deposition; Ni-based superalloys; microstructure; mechanical properties;
D O I：
暂无
中图分类号：
TG132.32 [];
学科分类号：
080502 ;
摘要：
Three kinds of superalloys were prepared by spray deposited process. The analysis results of microstructures and mechanical properties indicate that the spray deposited preforms with higher integral densification and the oxygen content in each kind of superalloy was very low. The microstructures are consisted of fine grain without dendritic equi-axed. The spray deposited superalloys possessed good ductility. The forging experiment displays that even though the once deformation of spray deposited GH742 alloy more than 60%, the crack can not be found. Meanwhile, the mechanical properties of spray deposited superalloys are significantly increased.
引用
收藏
页码：796 / 799
页数：4
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