Effect of coating conditions on crack formation in Al powder alloy coating on type 316SS

Yokota, Hitoshi*; Sato, Hidetomo*; Suzuki, Tetsuya*; Maekawa, Katsuhiro*; Kurata, Yuji

Liquid lead-bismuth is a candidate material of a spallation target and a coolant of accelerator driven systems for transmutation of high-level radioactive wastes. Compatibility of steels and lead-bismuth is one of critical issues. In order to solve the problem, Al powder alloy coating on 316SS was investigated. The Al alloy coating was conducted by scanning a YAG laser beam on Al-Ti-Fe sheets under Ar gas environment. Coating parameters are chemical compositions of sheet material, scanning rates of laser beam etc. Cracks often formed in the coating layer when Al contents in sheet material were high. From detail analyses, knowledge of crack formation was obtained in Al powder alloy coating using this method.

Language	:	Japanese
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Meeting title	:	日本金属学会2010年秋期(第147回)大会
Held date	:	2010/09
Location (city)	:	札幌
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20100777
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