Microstructure and mechanical property of electron beam brazing and vacuum brazing joints of stainless steel

被引：1
|
作者：
Li, Junmin [1 ]
Chen, Furong [1 ]
Liu, Jun [1 ]
Xie, Ruijun [1 ]
Hu, Gang [2 ]
机构：
[1] Inner Mongolia Univ Technol, Coll Mat Sci & Engn, Hohhot 010051, Peoples R China
[2] Beijing Aeronaut Mfg Technol Res Inst, Beijing 100024, Peoples R China
来源：
ADVANCES IN MATERIALS MANUFACTURING SCIENCE AND TECHNOLOGY II | 2006年 / 532-533卷
关键词：
microstructure; mechanical property; stainless steel; electron beam brazing; vacuum brazing;
D O I：
10.4028/www.scientific.net/MSF.532-533.564
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By means of optical microscope(OM), scanning electron microscope(SEM), X-ray diffraction(XRD) and shear test, the microstructure and mechanical property of 1 Cr18Ni9Ti stainless steel brazed joints with BNi-2 filler by electron beam brazing(EBB) and vacuum brazing(VB) are investigated respectively. The results show that, the microstructures of brazed joint with BNi-2 by EBB are mainly solid solutions of Ni. And the microstructures of brazed joint by VB are composed of two parts: one part is a solid solution of Ni, which lies adjacent to base metal; another part is chemical compound structures present in the centre zone of brazing seam. The shear strength of brazed joint by EBB is higher than that of by VB. This is closely related with the microstructures of brazed joint.
引用
收藏
页码：564 / +
页数：2
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