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Micro-Superplastic Behavior of Copper Oxide in AgCuO Composites
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Micro-Superplastic Behavior of Copper Oxide in AgCuO Composites
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NSFC(51361016, 51267007); Yunnan Province Natural Science Foundation (2008CD087, 2012FB195)

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    摘要:

    采用掃描電鏡、掃描透射電鏡、透射電鏡等分析手段，對(duì)銀氧化銅復(fù)合材料中氧化銅顆粒的結(jié)構(gòu)進(jìn)行了分析。結(jié)果表明，可變形氧化銅的晶體結(jié)構(gòu)為立方結(jié)構(gòu)，其變形量最大可達(dá)300%；不變形的氧化銅顆粒的晶體結(jié)構(gòu)為單斜結(jié)構(gòu)。但是對(duì)于這種立方氧化銅的變形機(jī)理尚不明確，需要進(jìn)一步的研究

    Abstract:

    In the investigation of AgCuO composites, we have found a type of copper oxide particles with a superplastic deformability behavior, which is similar to that of metals. To find the reason of the deformability of the copper oxide particles. SEM, STEM and TEM were used to analyze their crystal structures in AgCuO composites, The results show that the copper oxide particles with micro-superplasticity in the composites have cubic crystal structure, and their maximum elongation can be up to 300%, The copper oxide particles with no micro-superplasticity in the composites have monoclinic crystal structure. But the micro-superplastic behavior and mechanism of the copper oxides with the cubic crystal structure are not clear for the time being, the further investigation could be needed

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周曉龍,曹建春,陳敬超,張昆華. Micro-Superplastic Behavior of Copper Oxide in AgCuO Composites[J].稀有金屬材料與工程,2013,42(11):2242-2244~.[Zhou Xiaolong, Cao Jianchun, Chen Jingchao, Zhang Kunhua. Micro-Superplastic Behavior of Copper Oxide in AgCuO Composites[J]. Rare Metal Materials and Engineering,2013,42(11):2242-2244~.]
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  • 收稿日期:2012-11-25
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