| 碳化硅颗粒增强LY12铝合金复合材料超塑性研究 |
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| 引用本文： | 张立斌.碳化硅颗粒增强LY12铝合金复合材料超塑性研究[J].复合材料学报,1992,9(1):7-12. |
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| 作者姓名： | 张立斌 |
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| 作者单位： | 机电部北京机电研究所, 100083 |
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| 摘 要： | 本文研究了粉末冶金法制造的SiCp/LY12复合材料的超塑性。测定了热挤压态SiCp/LY12复合材料的拉伸、压缩m值,分析了工艺参数对超塑性的影响,确定了超塑性成形工艺参数,并初步分析了SiCp/LY12复合材料的显微结构和超塑拉伸试样断口形貌和断裂机制。
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| 关 键 词： | 复合材料 碳化硅增强铝基复合材料 超塑性 热挤压 |
| 收稿时间： | 1990-08-06 |
THE STUDY OF SUPERPLASTICITY OF SiCp/2024Al COMPOSITES |
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| Zhang Libin Beijing Research Institute of Mechanical and Electrical Technology,MMEI.THE STUDY OF SUPERPLASTICITY OF SiCp/2024Al COMPOSITES[J].Acta Materiae Compositae Sinica,1992,9(1):7-12. |
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| Authors: | Zhang Libin Beijing Research Institute of Mechanical and Electrical Technology MMEI |
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| Affiliation: | Beijing Research Institute of Mechanical and Electrical Technology, MMEI |
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| Abstract: | The superplasticity of SiCp/2024A1 composite made by PM was studied. The strain rate sensitivity index of hot-extruded SiCp/2024A1 composite tension and compression was measured. The effect of technical parameters on superplasticity of SiCp/2024A1 composite was analyzed and the superplastically forming parameters were chosen. The preliminary study of the microstructure of SiCp/2024Al composite and the fracture machanism of superplastic tensile specimens were conducted. |
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| Keywords: | Al-alloy metrix composites superplasticity hot-extrusion |
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