| 颗粒增强锌基复合材料断裂与断口分析 |
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| 引用本文： | 崔益华,陶杰.颗粒增强锌基复合材料断裂与断口分析[J].南京航空航天大学学报,1996,28(2):151-156. |
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| 作者姓名： | 崔益华 陶杰 |
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| 作者单位： | 南京航空航天大学材料科学与工程系 |
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| 基金项目： | 国家“八五”重点攻关资助 |
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| 摘 要： | 为探讨颗粒增强低熔点金属基复合材料的性能和断裂特性，扩大锌合金的应用范围，本项工作采用流变铸造法制备了ＳｉＣｐ／Ｚｎ，Ａｌ２Ｏ３ｐ／Ｚｎ基复合材料，对该材料进行了冲击韧性、弯曲强度、压缩强度等性能测试，观察了其断口形貌，分析了其断裂特性，提出了此类复合材料的断裂模式。文中还讨论了增强颗粒的表面处理、粒子含量、粒径大小、粒于种类、基体合金种类对复合材料性能的影响。
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| 关 键 词： | 金属基复合材料 锌合金 断裂 颗粒 断口形貌 |
The Analysis of Fracture and Fracture Surface of Particulate Reinforced Zinc Matrix Composite Materials |
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| Cui Yihua, Tao Jie, Xiao Jun, Li Shunlin.The Analysis of Fracture and Fracture Surface of Particulate Reinforced Zinc Matrix Composite Materials[J].Journal of Nanjing University of Aeronautics & Astronautics,1996,28(2):151-156. |
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| Authors: | Cui Yihua Tao Jie Xiao Jun Li Shunlin |
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| Abstract: | To approach the properties and fracture characteristic of particulate reinforced low melting point metal matrix composite materials, broaden the application ranges of zinc alloy,SiCp/Zn and Al2O3p/Zn composites are prepared by rhelogical casting in this work, the impact toughness,fiexural strength, compression strength of them are tested, the fracture surface and the fracture characteristic are observed and analysised, the fracture style of this kind of composite are put forward.The effect of surface treatment of reinforcement, volume fraction of particulate, particle size, kind of alloy on properties of composite are also discussed in this paper. |
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| Keywords: | metal matrix composite zinc alloy fracture particulate fracture surface |
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