Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
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Dissimilar welds between Al2O3 and AZX612-Mg alloy by friction stir spot welding
Hirosuke SONOMURATomoatsu OZAKIKazuaki KATAGIRIYasunori HASEGAWATsutomu TANAKAAtsushi KAKITSUJI
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2019 Volume 127 Issue 12 Pages 939-941

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Abstract

Dissimilar welds between Al2O3 and AZX612-Mg alloy were obtained easily by a friction stir spot welding method with a machining center and a drilling machine. We analyzed the interface with scanning transmission electron microscopy energy dispersive X-ray spectrometry. The results suggested that the rotating tool induced the diffusion of Mg and Ca from the AZX612-Mg alloy, which reacted with Al2O3, forming Mg, Al, and Ca compounds and creating a strong welding interface at low temperatures.

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© 2019 The Ceramic Society of Japan
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