INVESTIGATION ON THE WETTABLITY AND THE INTERFACIAL REACTION BETWEEN COPPER-BASE FILLER METAL AND WHITE CAST IRON

Abstract

Abstract: The wettability and the interfacial reaction between Cu-base filler metal and white cast iron are investigated. The separation of carbon in the white cast iron is the main reason influencing the wettability. The experimental results showed that CuZnMnNi2 and CuZnMnSn2 filler metals had the advantage of wettability and enough shear strength of brazing joint (τNib= 312MPa,τSnb = 276MPa). The influence of brazing temperature and time on the wettability is significant. The wettability will decline when brazing temperature and time exceed the critical temperature and time.

Key words: Brazing, Cu-base filler metal, Interfacial reaction, Wettability, White cast iron

CLC Number:

TG454

Ren Luquan;Qiu Xiaoming;Xu Desheng;Li Jianqiao. INVESTIGATION ON THE WETTABLITY AND THE INTERFACIAL REACTION BETWEEN COPPER-BASE FILLER METAL AND WHITE CAST IRON[J]. , 1998, 34(3): 96-100.

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INVESTIGATION ON THE WETTABLITY AND THE INTERFACIAL REACTION BETWEEN COPPER-BASE FILLER METAL AND WHITE CAST IRON

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