Precipitation of intermetallic compounds in brazing of titanium and steel using brass filler

被引：11
|
作者：
Zhao, Boshen [1 ,2 ]
Jian, Donghui [1 ]
Ma, Lihua [1 ]
Ding, Yi [1 ,2 ]
Zhou, Lian [1 ,3 ]
机构：
[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211816, Peoples R China
[2] Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing 210009, Peoples R China
[3] Nanjing Tech Univ, Tech Inst Adv Mat, Nanjing 210009, Peoples R China
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2020年 / 285卷
关键词：
Bimetallic structures; Brazing bonding; Decarbonization; Intermetallic compounds; Shear strength; STAINLESS-STEEL; MECHANICAL-PROPERTIES; INTERFACIAL MICROSTRUCTURE; ALLOY FILLER; TI; TEMPERATURE; TI-6AL-4V; INTERLAYER; BEHAVIOR; DESIGN;
D O I：
10.1016/j.jmatprotec.2020.116730
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of carbon content on the precipitation and distribution of intermetallic compounds in titanium to decarbonized carbon steel brazed joint was studied. In this work, decarbonization treatment was employed to change the carbon content in the low carbon steel surface and thus influence the diffusion behavior of Ti and Fe elements in the joint. The microstructure, fracture surface and bonding strength of joints were detected by SEM/ EDS, XRD and shear strength test. As a result, rich -carbon state in the steel surface profited the bonding of dissimilar joint to some extent during brazing process. TiC generated near carbon steel side can improve the bonding strength of joints by hindering the precipitation of FeTi and Fe2Ti. Precipitation and distribution of TiC, FeTi and Fe2Ti intermetallic compounds in joints were investigated.
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收藏
页数：8
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