Metal fusion bonding – Process – Using high frequency vibratory energy
Reexamination Certificate
2007-11-21
2009-12-01
Ward, Jessica L (Department: 1793)
Metal fusion bonding
Process
Using high frequency vibratory energy
C228S110100, C228S245000, C228S246000, C228S262500, C228S262510
Reexamination Certificate
active
07624906
ABSTRACT:
A method of ultrasonic brazing metal matrix composite, which forms a reinforced composite bond without filling welding wire with reinforcement or adding alloy element to generate ceramic phase, includes the steps of setting a filler metal; introducing ultrasonic vibration to braze in air; dissolving the base materials, and introducing ultrasonic wave again. The method performs the aluminum brazing at low temperature. The periodic time of brazing is shorter and the cost is lower than the conventional brazing methods. The strength, service temperature and dimensional stability of the joint are close to the base article.
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Li Dacheng
Ma Zhipeng
Xu Huibin
Xu Zhiwu
Yan Jiuchun
Chan Raymond Y.
David and Raymond Patent Firm
Harbin Institute of Technology
Ward Jessica L
Yoon Kevin E
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