QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Print ISSN : 0288-4771
Interfacial Microstructure of CP-Ti and AZ31 Joint by Friction Stir Welding
Masayuki AonumaKazuo MorikawaYoshikazu TeranishiKazuhiro Nakata
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2013 Volume 31 Issue 4 Pages 96s-99s

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Abstract

Friction stir welding (FSW) is a suitable solid-state joining process for dissimilar metal joining. We have performed metallographic characterizations to investigate the effects that an alloying element has on the interfacial microstructure between a dissimilar joint of AZ31 magnesium alloy and commercial pure titanium, produced by FSW. At the joint interface, an interfacial layer was observed with a thickness of less than 100 nm in a STEM-HAADF image produced with a transmission electron microscope (TEM) and an energy dispersive X-ray spectroscope (EDS). In this layer, TiAl intermetallic compound was observed with nano-beam diffraction (NBD).

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© 2013 by JAPAN WELDING SOCIETY
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