| C/Al复合材料热膨胀与内应力研究 |
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| 引用本文： | 喻学斌 张国定. C/Al复合材料热膨胀与内应力研究[J]. 复合材料学报, 1997, 14(1): 43-47 |
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| 作者姓名： | 喻学斌 张国定 |
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| 作者单位： | [1]中山大学物理系 [2]上海交通大学复合材料研究所 |
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| 摘 要： | 测试了碳纤维正交对称排布(0/90)增强铝基复合材料(x—y)面内热膨胀曲线和热膨胀系数,发现热处理状态对复合材料(x—y)面内热膨胀有影响。本文通过碳纤维正交对称排布增强复合材料内应力的分析,证实了导致热膨胀差异的主要原因是复合材料内部存在残余应力。
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| 关 键 词： | 复合材料 热膨胀 应力 |
| 收稿时间： | 1995-02-26 |
| 修稿时间： | 1996-01-02 |
INVESTIGATION OF THERMAL EXPANSION AND INTERNAL STRESS OF C/AI COMPOSITES |
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| Yu Xuebin,Chen Jun,Xu Geng,Zhang Guoding,Wu Renjie. INVESTIGATION OF THERMAL EXPANSION AND INTERNAL STRESS OF C/AI COMPOSITES[J]. Acta Materiae Compositae Sinica, 1997, 14(1): 43-47 |
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| Authors: | Yu Xuebin Chen Jun Xu Geng Zhang Guoding Wu Renjie |
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| Affiliation: | 1. Physics Dept., Zhongshan University, Guangzhou 510275;2. Institute of Composite Materials, Shanghai Jiaotong University, Shanghai 200030 |
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| Abstract: | In the (x-y) plane,thermal expansion of aluminum-matrix composites reinforced by carbon fiber with orthogonal arrangement was measured. It was found that the thermal expansion of composites in the (x-y) plane was related to heat treatment. The heat stress is analyzed in this paper. It is proved that the thermal expansion difference is caused by the internal stress of the composites. |
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| Keywords: | composite materials thermal expansion stress |
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