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Interfacial reaction mechanism of TiBw/Ti6Al4V composites and Inconel 718 alloys by GTAW heat transmission

文献类型：期刊论文

作者Gao YaNan2; Huang LuJun1,2; Sun Yuan3; An Qi2; Zhang Jie2; Geng Lin1,2
刊名SCIENCE CHINA-TECHNOLOGICAL SCIENCES
出版日期2019-11-07
页码9
关键词TiBw Ti6Al4V composites Inconel 718 alloys interfacial reaction heat transmission microstructures
ISSN号1674-7321
DOI10.1007/s11431-019-1452-8
通讯作者Huang LuJun(huanglujun@hit.edu.cn) ; Sun Yuan(yuansun@imr.ac.cn)
英文摘要A good joint of TiBw/Ti6Al4V composites and Inconel 718 alloys was obtained by Gas Tungsten Arc Welding (GTAW) heat transmission. The interfacial reaction mechanism of joint was investigated and analyzed in details. Owing to the heat input applied on the surface of TiBw/Ti6Al4V composites, a solid-state reaction layer appeared at the interface of TiBw/Ti6Al4V composites to Inconel 718 alloys. The thickness of the reaction layer was obviously increased with increasing heat input. Developing of reaction layer mainly depended on the diffusion of elements of Ti and Ni through the interface during welding to form solid solutions and intermetallic compounds (IMCs). The reaction layer can be divided into Ti-rich zone (layer 2) and Ni-rich zone (layer 1). In Ni-rich zone, relatively coarse dendrites were the predominant, however, more brittle IMCs like Ti2Ni were found in the Ti-rich zone. Micro hardness of reaction layer was much higher than that of base metal. While a slight decrease of hardness was found between Ti-rich zone and Ni-rich zone due to the formation of TiNi.
资助项目National Key R&D Program of China[2017YFB0703100] ; National Natural Science Foundation of China[51822103] ; National Natural Science Foundation of China[51801206] ; National Natural Science Foundation of China[51731009] ; Fundamental Research Funds for the Central Universities[HIT.BRE-TIV.201902]
WOS研究方向Engineering ; Materials Science
语种英语
WOS记录号WOS:000496263800003
出版者SCIENCE PRESS
资助机构National Key R&D Program of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
源URL[http://ir.imr.ac.cn/handle/321006/137087]  
专题金属研究所_中国科学院金属研究所
通讯作者Huang LuJun; Sun Yuan
作者单位1.Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China
2.Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式
GB/T 7714		 Gao YaNan,Huang LuJun,Sun Yuan,et al. Interfacial reaction mechanism of TiBw/Ti6Al4V composites and Inconel 718 alloys by GTAW heat transmission[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2019:9.
APA Gao YaNan,Huang LuJun,Sun Yuan,An Qi,Zhang Jie,&Geng Lin.(2019).Interfacial reaction mechanism of TiBw/Ti6Al4V composites and Inconel 718 alloys by GTAW heat transmission.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,9.
MLA Gao YaNan,et al."Interfacial reaction mechanism of TiBw/Ti6Al4V composites and Inconel 718 alloys by GTAW heat transmission".SCIENCE CHINA-TECHNOLOGICAL SCIENCES (2019):9.

入库方式： OAI收割

来源：金属研究所

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