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焦 曼,王 颖,杨振文,王东坡.TiNiB复合钎料钎焊Ti2AlNb基合金接头微观组织及性能[J].稀有金属材料与工程(英文),2018,47(1):389~395.[Jiao Man,Wang Ying,Yang Zhenwen,Wang Dongpo.Interfacial Microstructure and Properties of Ti2AlNb JointsBrazed with TiNiB Composite Filler Metal[J].Rare Metal Materials and Engineering,2018,47(1):389~395.]
Interfacial Microstructure and Properties of Ti2AlNb JointsBrazed with TiNiB Composite Filler Metal
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Received:December 14, 2016  Revised:January 07, 2017
DOI:
Key words: Ti2AlNb alloy  TiNiB filler  Brazing  Interfacial microstructure  Shear strength
Foundation item:国家自然科学基金面上项目(51574177)
Author NameAffiliationE-mail
Jiao Man Tianjin Key Lab of Advanced Joining Technology,Tianjin University jiaoman18204318780@163.com 
Wang Ying Tianjin Key Lab of Advanced Joining Technology,Tianjin University  
Yang Zhenwen Tianjin Key Lab of Advanced Joining Technology,Tianjin University hityangzhenwen@163.com 
Wang Dongpo Tianjin Key Lab of Advanced Joining Technology,Tianjin University  
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Abstract:
      Ti-66Ni (wt.%)+B composite brazing alloy was used to braze Ti2AlNb alloy. The interfacial microstructure and forming mechanism of the brazed joints were studied. The effect of brazing temperature and B content on the interfacial microstructure and mechanical properties were investigated. The results showed that the typical microstructure of the joint was: Ti2AlNb/B2/B2+Nb3Al+τ3+TiB/τ3+Ti2Ni/B2+Nb3Al