Preprints of the National Meeting of JWS
the national meeting 2007 spring
Session ID : 218
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Host: Japan Welding Society

Effect of La Addition on Microcracking in Multipass Laser Overlay Weld Metal of MA690 Alloy
Kazutoshi Nishimoto, Kazuyoshi Saida, *Masashi Sakamoto, Wataru Kono
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Keywords: MA690 alloy, Laser cladding, La added filler metal, Multipass weld metal, Microcracking
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Abstract
The multipass laser overlay welding of alloy 690 was conducted in argon and under water by using YAG laser with La added filler metals. The effect of La addition on microcracking susceptibility in the multipass laser overlay-weld metal of alloy 690 was investigated.
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© 2007 by Japan Welding Society
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