| Mechanical properties and creep resistance of Mg-Li composites reinforced by MgO/Mg_2Si particles |
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| 引用本文： | 于化顺,高瑞兰,闵光辉,王执福,陈熙琛. Mechanical properties and creep resistance of Mg-Li composites reinforced by MgO/Mg_2Si particles[J]. 中国有色金属学会会刊, 2002, 12(6) |
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| 作者姓名： | 于化顺 高瑞兰 闵光辉 王执福 陈熙琛 |
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| 作者单位： | College of Materials Science and Engineering，Shandong University，College of Materials Science and Engineering，Shandong University，College of Materials Science and Engineering，Shandong University，College of Materials Science and Engineering，Shandong University，Institute of Physics，Chinese Academy of Sciences Ji′nan 250061，China，Ji′nan 250061，China，Ji′nan 250061，China，Ji′nan 250061，China，Beijing 100081，China |
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| 摘 要： | 1 ＩＮＴＲＯＤＵＣＴＩＯＮＭｇ Ｌｉａｌｌｏｙｉｓａｎｅｗａｎｄｓｕｐｅｒ ｌｉｇｈｔｓｔｒｕｃｔｕｒａｌｍａ ｔｅｒｉａｌ.Ｉｔｉｓｗｉｄｅｌｙｕｓｅｄｉｎｓｐａｃｅａｎｄｗｅａｐｏｎｉｎｄｕｓｔｒｙｂｅｃａｕｓｅｏｆｈｉｇｈｅｒｓｐｅｃｉｆｉｃｓｔｒｅｎｇｔｈａｎｄｒｉｇｉｄｉｔｙ .Ｓｏｍｅｒｅｓｅａｒｃｈ[1～8] ｉｎｄｉｃａｔｅｄｔｈａｔ:1 )ｔｈｅｓｔｒｅｎｇｔｈｏｆｂｉｎａｒｙａｌｌｏｙｉｓｌｏｗｅｒａｎｄｔｈｅｃｒｅｅｐｒｅｓｉｓｔａｎｃｅｉｓｖｅｒｙｐｏｏｒ;2 )ｔｈｅｓｔｒｅｎｇｔｈｃａ…
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Mechanical properties and creep resistance of Mg-Li composites reinforced by MgO/Mg2Si particles |
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| YU Hua shun ,GAO Rui lan ,MIN Guang hui ,WANG Zhi fu ,CHEN Xi chen. Mechanical properties and creep resistance of Mg-Li composites reinforced by MgO/Mg2Si particles[J]. Transactions of Nonferrous Metals Society of China, 2002, 12(6) |
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| Authors: | YU Hua shun GAO Rui lan MIN Guang hui WANG Zhi fu CHEN Xi chen |
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| Affiliation: | YU Hua shun 1,GAO Rui lan 1,MIN Guang hui 1,WANG Zhi fu 1,CHEN Xi chen 2 |
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| Abstract: | The mechanical properties at room temperature and the creep resistance at room and elevated temperatures of Mg-Li alloy and composites reinforced by MgO/Mg2Si particles were studied. The (Mg-8Li) eutectic binary alloy is of better mechanical properties than those of the others. The strength, elastic modulus and hardness of composites are much higher than those of matrix alloys. The elongation of the composites is lower than that of the matrix, but it keeps a high level(＞4%) and is much higher than that of the Mg-Li base composites reinforced with Al2O3 and SiC fibres. The creep resistance of the composites is significantly increased in comparison with the matrix, such as the creep rate of the composite is respectively 10% and 2% of that of matrix at room temperature and at 160℃. The creep mechanism is also discussed. |
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| Keywords: | Mg Li alloys composites mechanical properties creep resistance |
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