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PRECIPITATION-HARDENING TYPE Al-Si BASED ALUMINUM ALLOY CASTING
PRECIPITATION-HARDENING TYPE Al-Si BASED ALUMINUM ALLOY CASTING
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机译:沉淀硬化型Al-Si基铝合金铸件
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摘要
PROBLEM TO BE SOLVED: To provide a product comprising aluminum casting, in which thermal fatigue characteristic is improved as compared with the conventional casting.;SOLUTION: A precipitation-hardening type Al-Si based aluminum alloy casting can be obtained. In crystal grains on a surface layer structure in the alloy casting, the ones having circularity of 0.6-0.8 occupy ≥70% of the whole grains.;COPYRIGHT: (C)2009,JPO&INPIT
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