Diffusion bonding of laser surface modified TiAl alloy/Ni alloy

被引：28
|
作者：
Li, ZF [1 ]
Wu, GQ [1 ]
Huang, Z [1 ]
Ruan, Z [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
MATERIALS LETTERS | 2004年 / 58卷 / 27-28期
基金：
中国国家自然科学基金;
关键词：
TiAl alloy; Ni alloy; laser surface modification; diffusion bonding;
D O I：
10.1016/j.matlet.2004.07.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new diffusion bonding technique combined with laser surface modification to join TiAl alloy with Ni alloy is proposed. Microstructures of laser modified layers on the surface of intended bonding alloys are studied, and effects of laser surface modification and bonding temperatures on the diffusion bonding of TiAl alloy to Ni alloy are discussed. The results show that laser surface modification improves shear strengths of the bonds, and sound bond can be achieved at 1173 K with a pressure of 60 MPa in 1 h. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：3470 / 3473
页数：4
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