吉林大学学报(工学版)

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Composition design and optimization of Cu-Ni-Sn-Ti active filler metal

WANG Yi1，LU Guang-lin2，YIN Shi-qiang1，LI Shi-quan1，QIU Xiao-ming1   

  1. 1.College of Materials Science and Engineering, Jilin University,Changchun 130022,China;2.Key Laboratory of Engineering Bionics, Ministry of Education, Jilin University, Changchun 130022, China
  • Received:2008-01-10 Revised:2008-04-10 Online:2009-05-01 Published:2009-05-01

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Abstract:

By means of the mixture regression design process, the regression equations relating the joint shearing strength and the wettability of the filler metal to its element compositions were established. The influences of the elements on the joint shearing strength and the wettability were analyzed. The results prove that adding more Ti improves the wettability, but at the same time the joint shearing strength decline; adding appropriate amount of Sn can improve the joint shearing strength and the wettability. After considering all the effects of filler metal ingredients to the melting point, the pasty range and so on, the contribution of Cu-Ni-Sn-Ti active filler metal brazed c-BN superhard materials has been optimized. The result is 10～12wt% for Ti and 3～5.5wt% for Sn.

Key words: materials examination and analysis, Cu-Ni-Sn-Ti, active filler metal, mixture design, optimization

CLC Number: 

  • TG4
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