Preprints of the National Meeting of JWS
Preprints of the National Meeting of JWS
Session ID : 430
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Effect of Ce Addition on Microcracking Susceptibility of Multipass Weld Metal of Alloy 690
*Kazuyoshi SaidaMasashi SakamotoAkira TaniguchiKazutoshi Nishimoto
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Abstract
The effect of Ce addition to a filler metal on microcracking in the multipass weld metal of alloy 690 was investigated in order to improve the microcracking susceptibility in it. The microcracking susceptibility in the reheated weld metal could be much improved by adding 0.015-0.025mass%Ce to the weld metal. The multipass welding test confirmed that microcracks in the multipass weldment were completely prevented by using the filler metal added 0.03mass%Ce.
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© 2008 by Japan Welding Society
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