| SiCw／Al－Li复合材料热挤压变形及其对组织和性能的影响 |
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| 引用本文： | 董尚利,茅建富,姜龙涛,崔约贤,杨德庄. SiCw／Al－Li复合材料热挤压变形及其对组织和性能的影响[J]. 材料科学与工艺, 1994, 0(4) |
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| 作者姓名： | 董尚利 茅建富 姜龙涛 崔约贤 杨德庄 |
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| 作者单位： | 哈尔滨工业大学 |
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| 摘 要： | 采用热挤压的工艺方法成功地对压铸态ＳｉＣｗ／Ａｌ－Ｌｉ－Ｃｕ－Ｍｇ－Ｚｒ复合材料进行二次加工，研究了挤压态复合材料的微观组织和性能。结果表明，ＳｉＣｗ／Ａｌ－Ｌｉ－Ｃｕ－Ｍｇ－Ｚｒ复合材料具有很好的热成形性能，挤压可有效改善复合材料的综合机械性能。
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| 关 键 词： | 铝锂基复合材料，热挤压，SiC晶须，显微组织，拉伸性能 |
Hot Extrusion and Its Influence on the Microstructures and Mechanical Properties of a SiCw/Al-Li Composite |
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| Dong Shangli,Mao Jianfu,Jiang Longtao,Cui Yuexian,Yang Dezhuang. Hot Extrusion and Its Influence on the Microstructures and Mechanical Properties of a SiCw/Al-Li Composite[J]. Materials Science and Technology, 1994, 0(4) |
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| Authors: | Dong Shangli Mao Jianfu Jiang Longtao Cui Yuexian Yang Dezhuang |
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| Affiliation: | Harbin Institute of Technology |
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| Abstract: | A SiCw/Al-Li composite fabricated by squeeze casting method was successfully hot extruded, indicating that the composite exhibits good formability.The microstructures and mechanical properties of the extruded composite were investigated by means of SEM, TEM and tensile test,it is shown that the mechanical properties of the composite can be improved by hot extrusion. |
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| Keywords: | Aluminium-Lithium matrix composite Hot extrusion SiC whisker Microstructure Tensile property |
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