Diffusion welding of 6063 aluminum alloy to S20C steel using titanium foil as insert metal.
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概要
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A commercial pure Ti foil 50μm in thickness of insert metal was diffusion-welded to mild steel at temperatures above 760°C for 30 min under welding pressure 0.17kg/mm2. The joint has tensile strength higher than that of the 6063 base alloy. 6063 alloy was then diffusion welded to the overlayed steel with a Ti foil at temperatures above 590°C for 30 min under welding pressure 0.04 kg/mm2. The joint welded just below the solidus of 6063 alloy has nearly the same tensile strength as the 6063 base alloy. Intermetallic compound interlayers of TiC and Al3Ti are formed at S20C-Ti and Ti-6063 alloy joint interfaces, respectively. As these interlayers are thickened, the welded joint is strengthened.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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