| Effect of Thermal Cycling Treatment on Microyield Behavior of Al_2O_3p/Al Composite |
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| 引用本文： | 李义春,樊建中,张奎,张少明,石力开,武高辉,孙东立,杨德庄. Effect of Thermal Cycling Treatment on Microyield Behavior of Al_2O_3p/Al Composite[J]. 稀有金属(英文版), 1997, 0(4) |
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| 作者姓名： | 李义春 樊建中 张奎 张少明 石力开 武高辉 孙东立 杨德庄 |
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| 作者单位： | Li Yichun，Fan Jianzhong，Zhang Kui，Zhang Shaoming，Shi LikaiGeneral Research Institute for Nonferrous Metals，Beijing 100088，China Wu Gaohui，Sun Dongli and Yang DezhuangHarbin Institute of Technology，Harbin 150001，China |
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| 摘 要： | ＥｆｅｃｔｏｆＴｈｅｒｍａｌＣｙｃｌｉｎｇＴｒｅａｔｍｅｎｔｏｎＭｉｃｒｏｙｉｅｌｄＢｅｈａｖｉｏｒｏｆＡｌ２Ｏ３ｐ／ＡｌＣｏｍｐｏｓｉｔｅＬｉＹｉｃｈｕｎ，ＦａｎＪｉａｎｚｈｏｎｇ，ＺｈａｎｇＫｕｉ，ＺｈａｎｇＳｈａｏｍｉｎｇ，ＳｈｉＬｉｋａｉ（李...
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Effect of Thermal Cycling Treatment on Microyield Behavior of Al_2O_3p/Al Composite |
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| Li Yichun,Fan Jianzhong,Zhang Kui,Zhang Shaoming,Shi LikaiGeneral Research Institute for Nonferrous Metals,Beijing ,China Wu Gaohui,Sun Dongli and Yang DezhuangHarbin Institute of Technology,Harbin ,China. Effect of Thermal Cycling Treatment on Microyield Behavior of Al_2O_3p/Al Composite[J]. Rare Metals, 1997, 0(4) |
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| Authors: | Li Yichun Fan Jianzhong Zhang Kui Zhang Shaoming Shi LikaiGeneral Research Institute for Nonferrous Metals Beijing China Wu Gaohui Sun Dongli Yang DezhuangHarbin Institute of Technology Harbin China |
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| Affiliation: | Li Yichun,Fan Jianzhong,Zhang Kui,Zhang Shaoming,Shi LikaiGeneral Research Institute for Nonferrous Metals,Beijing 100088,China Wu Gaohui,Sun Dongli and Yang DezhuangHarbin Institute of Technology,Harbin 150001,China |
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| Abstract: | An aluminum alloy (6061) matrix composite reinforced with 35% (vol.) Al 2O 3 particles was fabricated by squeeze casting method. The Al 2O 3 particles were spherical. The microyield behavior of the composite and the effect of different thermal cycling treatment on the microyield behaviors of the composite were studied. Based on TEM and HREM observation of microstructure, the mechanism of microyield behavior in the Al 2O 3p/6061 composite was analyzed. The results indicate that the microyield behavior of the Al 2O 3p/6061 composite can be described by Brown Lukens theory, which was used satisfactorily for aluminum alloys and other light alloys, and is affected greatly by the different thermal cycling treatment. The more the cycles of thermal cycling treatment, the higher to microyield strength at small strains. Thermal cycling treatment affects mainly the thermal mismatch stress and the density of movable dislocations in the matrix. |
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| Keywords: | Al 2O 3p/6061 composites Microyield behavior Thermal cycling treatment |
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