GRAIN　BOUNDARY　SEGREGATION　AND　INTERGRANULAR　BRITTLENESS　IN　HIGH　STRENGTH　ALUMINIUM　ALLOY 被引量：3

GRAIN BOUNDARY SEGREGATION AND INTERGRANULAR BRITTLENESS IN HIGH STRENGTH ALUMINIUM ALLOY

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摘要ＧＲＡＩＮＢＯＵＮＤＡＲＹＳＥＧＲＥＧＡＴＩＯＮＡＮＤＩＮＴＥＲＧＲＡＮＵＬＡＲＢＲＩＴＴＬＥＮＥＳＳＩＮＨＩＧＨＳＴＲＥＮＧＴＨＡＬＵＭＩＮＩＵＭＡＬＬＯＹ￥Ｓｏｎｇ，Ｒｅｎｇｕｏ；Ｚｈｅｎｇ，Ｍｅｉｇｕａｎｇ（ＤｅｐａｒｒｍｅｎｔｏｆＭａｔｅｒｉ... Effects of magnesium and hydrogen to grain boundary on the fracture energy in 7050high strength aluminium alloy have been calculated using the quasichemical approach. The results indicated that both Mg and H segregation induce the intergranular fracture energy decrease, thus resulting in grain boundary embrittlement, and the embrittlement degree induced by hydrogen is larger than that of magnesium. This conclusion corresponds with the experimental results.

作者 Song, Renguo Zheng, Meiguang

机构地区 Northeastern Univ

出处《中国有色金属学会会刊：英文版》 EI CSCD 1995年第3期97-100,共4页 Transactions of Nonferrous Metals Society of China

关键词 high STRENGTH aluminium alloy GRAIN BOUNDARY SEGREGATION INTERGRANULAR BRITTLENESS high strength aluminium alloy,grain boundary segregation, intergranular brittleness

分类号 TG146.21 [金属学及工艺—金属材料]

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中国有色金属学会会刊：英文版

1995年第3期

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GRAIN　BOUNDARY　SEGREGATION　AND　INTERGRANULAR　BRITTLENESS　IN　HIGH　STRENGTH　ALUMINIUM　ALLOY 被引量：3

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GRAIN BOUNDARY SEGREGATION AND INTERGRANULAR BRITTLENESS IN HIGH STRENGTH ALUMINIUM ALLOY 被引量：3

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GRAIN　BOUNDARY　SEGREGATION　AND　INTERGRANULAR　BRITTLENESS　IN　HIGH　STRENGTH　ALUMINIUM　ALLOY 被引量：3