QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Print ISSN : 0288-4771
Effects of titanium interlayer on dissimilar joining between aluminum alloy and magnesium alloy using laser brazing
Tomo OGURAShunsuke NETSUKazuyuki IKEKazuyoshi SAIDA
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2018 Volume 36 Issue 4 Pages 247-252

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Abstract

The effect of titanium interlayer on dissimilar joining between an aluminum alloy and a magnesium alloy was evaluated. Mutual diffusion between aluminum and magnesium at the interface was suppressed by the interlayer. Ti3Al with the thickness of 200 nm was formed at the AZ92/Ti by the reaction of titanium and small amount of aluminum, whereas Al3Ti with the thickness of 5 μm was formed at Ti/A5052 interface by the reaction between titanium and local-melted aluminum, respectively. Tensile shear testing showed that a sound joint that fractured at the base metal was obtained and the maximum value of 191 N/mm achieved 880 W is about 81 % that of the A5052 base metal, which was significantly increased compared with the direct laser brazing between A5052 and AZ31 joint.

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© 2018 by JAPAN WELDING SOCIETY
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