| Zr含量对Mg-Zr粉末冶金阻尼合金材料性能的影响 |
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| 引用本文： | 刘子利,沈平,周桂斌,刘希琴,刘伯路.Zr含量对Mg-Zr粉末冶金阻尼合金材料性能的影响[J].航空材料学报,2011,31(5):12-17. |
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| 作者姓名： | 刘子利 沈平 周桂斌 刘希琴 刘伯路 |
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| 作者单位： | 南京航空航天大学材料科学与技术学院,南京,210016 |
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| 基金项目： | 江苏省科技支撑计划项目(BE2010103); 江苏省自然科学基金(BK2009577); 常熟市工业攻关项目(CC200913) |
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| 摘 要： | 采用粉末冶金法制备了Mg-x％ Zr阻尼合金(x=0.6,1.5,2.5,5,质量分数,下同),通过三点弯曲测试和DMA技术等手段研究了Zr含量对Mg-Zr合金的组织、力学性能和阻尼性能的影响.结果表明,随着Zr含量增加,组织演变为条带状结构,同时在晶界及晶内出现点状颗粒,晶粒更加细化.Mg-x％ Zr阻尼合金的致密度...
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| 关 键 词： | Mg-Zr阻尼合金 Zr 粉末冶金 力学性能 阻尼性能 |
Effects of Zr Contents on Properties of Mg-Zr PM Damping Alloys |
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| LIU Zi-li,SHEN Ping,ZHOU Gui-bin,LIU Xi-qin,LIU Bo-lu.Effects of Zr Contents on Properties of Mg-Zr PM Damping Alloys[J].Journal of Aeronautical Materials,2011,31(5):12-17. |
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| Authors: | LIU Zi-li SHEN Ping ZHOU Gui-bin LIU Xi-qin LIU Bo-lu |
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| Institution: | LIU Zi-li,SHEN Ping,ZHOU Gui-bin,LIU Xi-qin,LIU Bo-lu(Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | Mg-x/% Zr damping alloys(x=0.6,1.5,2.5,5,mass fraction/% the same below) were prepared by PM(powder metallurgy) technology,and effects of Zr contents on microstructure,mechanical properties and damping capacities of Mg-x%Zr damping alloys were researched by three-point bending test and DMA,etc.The results show that the microstructure become into strip-shaped morphology,more granular particles appear in the grain boundaries or inside grains,and the grains are more refined with the increase of Zr additions.Re... |
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| Keywords: | Mg-Zr damping alloys Zr powder metallurgy mechanical properties damping capacities |
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