Explosive welding conditions and their bonding strength in various aluminum alloy and stainless steel clad using stainless steel intermediate plate

被引:0
|
作者
Hokamoto, Kazuyuki [1 ]
Izuma, Takeshi [1 ]
Andoh, Takenobu [1 ]
Fujita, Masahiro [1 ]
机构
[1] Kumamoto Univ, Japan
关键词
Aluminum alloys - Bonding - Stainless steel;
D O I
10.2207/qjjws.11.16
中图分类号
学科分类号
摘要
Various aluminum alloys and SUS304 stainless steel are welded explosively inserting SUS304 intermediate plate between aluminum alloy driver and SUS304 base plates. Microstructure at the welded interface and weldable conditions are decided in the present investigation. Reacted inferfacial zone is generated at the Al/SUS304 interface and it is composed of fine eutectic structure of Al and Fe4 Al13 generated by cooling from a molten interface. Aluminum content at the reacted zone is higher than that the predicted value considering the energy required for the melting of each component. Such a high aluminum content phase is generated by an intensive deformation in a soft component aluminum. Weldable region for each aluminum alloy is decided by the parameters of kinetic energy lost by collision and collision velocity, and the area of weldable region is decreased by increasing the yield stress of aluminum alloy.
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页码:16 / 21
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