Joining of alumina ceramics to metals

被引：23
作者：
Hafez, KM
El-Sayed, MH
Naka, M
机构：
[1] Osaka Univ, Japan Welding Res Inst, Osaka 5670047, Japan
[2] Cent Met Res & Dev Inst, Cairo, Egypt
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2005年 / 10卷 / 02期
关键词：
ultrasonic waves; wetting; Zn-Al filler alloy; alumina ceramic; brazing; titanium; nickel; niobium; iron; AISI 304 stainless steel; reaction products; alumina-metal interface; intermetallic compounds; bond strength; residual stress; thermal expansion coefficient;
D O I：
10.1179/174329305X19312
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The application of ultrasonic waves enhanced the wetting of alumina by Zn - Al filler alloy. Alumina ceramic was brazed to different metals such as Ti, Ni, Nb, Fe, and AISI 304 stainless steel using the Zn - 5 mass-% Al brazing filler alloy. Different reaction products were formed at the alumina metal interfaces, including solid solutions and intermetallic compounds. The alumina - Nb joint exhibited the highest bond strength value among the different couples, because Nb produces the lowest residual stress among the alumina - metal joints. The high mismatch in thermal expansion coefficient between the brazing filler and the AISI 304 stainless steel yielded the lowest bond strength among the joints.
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页码：125 / 130
页数：6
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