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Structure and mechanical properties of aluminum alloy/Ag interlayer/steel non-centered electron beam welded joints
Alternative TitleStructure and mechanical properties of aluminum alloy/Ag interlayer/steel non-centered electron beam welded joints
Zhang Binggang1; Chen Guoqing1; Zhang Chunguang1; Ni Jiaqiang2
2011
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume21Issue:12Pages:2592-2596
AbstractElectron beam welding was carried out between aluminum alloy and steel with Ag interlayer. Seam morphology, structure and mechanical properties of the joints were investigated with different action positions of the electron beam spot. The results show that with the increment of the beam offset to the silver side from the interface between silver and steel, the seam morphology was improved, and the porosity in the Ag interlayer vanished. A transition layer mainly composed of Ag(2)Al and Al eutectic was formed at the interface between silver and aluminum, and became thin and spiccato as the beam offset increased. When the beam offset was too large, two IMC layers composed of FeAl and FeAl(3) respectively were formed at the interface between steel and Ag interlayer. The optimal beam offset was 0.2 mm, and the maximum tensile strength of the joint was 193 MPa, 88.9% that of the aluminum alloy, and the fracture occurred at the interface between steel and Ag interlayer.
Other AbstractElectron beam welding was carried out between aluminum alloy and steel with Ag interlayer. Seam morphology, structure and mechanical properties of the joints were investigated with different action positions of the electron beam spot. The results show that with the increment of the beam offset to the silver side from the interface between silver and steel, the seam morphology was improved, and the porosity in the Ag interlayer vanished. A transition layer mainly composed of Ag_2Al and Al eutectic was formed at the interface between silver and aluminum, and became thin and spiccato as the beam offset increased. When the beam offset was too large, two IMC layers composed of FeAl and FeAl_3 respectively were formed at the interface between steel and Ag interlayer. The optimal beam offset was 0.2 mm, and the maximum tensile strength of the joint was 193 MPa, 88.9% that of the aluminum alloy, and the fracture occurred at the interface between steel and Ag interlayer.
KeywordSTAINLESS-STEEL MICROSTRUCTURE AL aluminum alloy steel Ag interlayer non-centered electron beam welding joint
Indexed ByCSCD
Language英语
Funding Project[National Basic Research Program of China] ; [National Natural Science Foundation of china]
CSCD IDCSCD:4426212
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/144239
Collection中国科学院金属研究所
Affiliation1.Harbin Institute Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang Binggang,Chen Guoqing,Zhang Chunguang,et al. Structure and mechanical properties of aluminum alloy/Ag interlayer/steel non-centered electron beam welded joints[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2011,21(12):2592-2596.
APA Zhang Binggang,Chen Guoqing,Zhang Chunguang,&Ni Jiaqiang.(2011).Structure and mechanical properties of aluminum alloy/Ag interlayer/steel non-centered electron beam welded joints.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,21(12),2592-2596.
MLA Zhang Binggang,et al."Structure and mechanical properties of aluminum alloy/Ag interlayer/steel non-centered electron beam welded joints".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 21.12(2011):2592-2596.
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