Active brazing filler metal on SiC particle reinforced aluminium matrix composites

被引：21
|
作者：
Wang, P. [1 ]
Xu, D. X. [1 ]
Cheng, D. F. [1 ]
Li, Q. [1 ]
Niu, J. T. [2 ,3 ]
机构：
[1] Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150000, Peoples R China
[3] Henan Jingtai High Novel Mat Ltd Sci & Technol, Jiaozuo 454003, Peoples R China
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2015年 / 20卷 / 05期
基金：
中国国家自然科学基金;
关键词：
SiCp/Al composites; Vacuum brazing; Filler; Microstructure; Shear strength; Fracture; AL; MICROSTRUCTURE; AL/SICP; AL2O3; MMC;
D O I：
10.1179/1362171815Y.0000000024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The joints of aluminium matrix composites with high SiC particle content were achieved by vacuum brazing with Al-12Si-1.5Mg-4Ti foil as active filler. The effect of Ni coating and Ti on the wetting behaviour of filler metal on the composite was investigated. Owing to the presence of Ni coating, the wettability of liquid filler metal on the composite was enhanced obviously, and Ti(AlSi)(3) intermetallic is in situ strengthening phase in the seam. Sound joints with well appearance were obtained, and the optimised shear strength of the joint reached 109.3 MPa. Capable welding parameters were broadened by the presence of Ni coating and Al-12Si-1.5Mg-4Ti foil as filler for brazing of aluminium matrix composites with high SiC particle content.
引用
收藏
页码：361 / 370
页数：10
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