| SiC／Al复合材料的组织与力学性能研究 |
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| 引用本文： | 万春锋. SiC／Al复合材料的组织与力学性能研究[J]. 佛山陶瓷, 2008, 18(4): 4-6 |
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| 作者姓名： | 万春锋 |
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| 作者单位： | 陕西国防工业职业技术学院,陕西,西安,710300 |
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| 摘 要： | 采用无压浸渗法制备了SiC／Al复合材料．研究不同颗粒大小的复合材料的抗弯强度、金相组织和断裂机理。结果表明：颗粒尺寸为20um的SiC／Al复合材料抗弯强度最高：小颗粒复合材料的断裂以沿晶断裂为主，局部有韧性撕裂的特征，而大颗粒还伴有穿晶解理特征。
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| 关 键 词： | SiC/Al复合材料 无压浸渗 抗弯强度 断裂机理 |
A Study on Microstructure and Mechanical Properties of SiC/Al Composites |
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| Wan Chunfeng. A Study on Microstructure and Mechanical Properties of SiC/Al Composites[J]. Foshan Ceramics, 2008, 18(4): 4-6 |
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| Authors: | Wan Chunfeng |
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| Affiliation: | Shanxi Institute of Technology Xi'an Shanxi 710300 |
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| Abstract: | In this paper, SiC/Al composites were fabricated by pressureless infiltration technique. And the bending strength, microstructure and failure mechanism of different particles of SiC/Al composites were investigated. The results showed that the bending strength of SiC/Al （20μm） composites was the highest. The fracture of fine particle composites were mainly intergranular rupture, accompanied by a few dimple. The transgranular cleavage fracture was also observed in coarse particle |
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| Keywords: | SiC/Al composite pressureless infiltration bending strength failure mechanism |
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