| 碳/铝复合材料界面结合强度对拉伸性能的影响 |
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| 引用本文： | 陈荣 张国定. 碳/铝复合材料界面结合强度对拉伸性能的影响[J]. 复合材料学报, 1993, 10(2): 121-126 |
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| 作者姓名： | 陈荣 张国定 |
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| 作者单位： | 上海交通大学复合材料研究所 200030 |
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| 摘 要： | 本文主要研究C/Al复合材料先驱丝的界面结合强度的表征方法以及界面结合状态对复合材料拉伸性能的影响.用自行研制的小型剪切试验机测定复合材料先驱丝的纵向剪切强度,通过计算得到复合材料界面处的剪切强度以此作为界面结合强度的定量表征方法.实验证明,不同界面结合强度的复合丝在宏观上表现出有不同纵向剪切强度值,复合材料的界面结合强度可以用界面剪切强度值定量描述.复合材料拉伸强度随界面强度提高而减少,在满足复合材料横向强度要求前提下,降低复合材料界面结合有利于提高拉伸强度.
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| 关 键 词： | C/Al复合材料 界面结合强度 拉伸强度 剪切强度 |
| 收稿时间： | 1991-04-29 |
THE EFFECT OF INTERFACE BONDING STRENGTH OF C/Al COMPOSITES ON TENSILE STRENGTH |
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| Chen Rong Zhang Guoding Wu Renjie. THE EFFECT OF INTERFACE BONDING STRENGTH OF C/Al COMPOSITES ON TENSILE STRENGTH[J]. Acta Materiae Compositae Sinica, 1993, 10(2): 121-126 |
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| Authors: | Chen Rong Zhang Guoding Wu Renjie |
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| Affiliation: | Institute of Cemposite Materials, Shanghai Jiao Tong University, Shanghai, 200030 |
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| Abstract: | A method of measuring the interface bonding strength of C/Al composite precursor wires and the effect on the tensile strength had been studied in this paper.We also provided a small scale shear testing machine made by ourselve to measure the longitudinal shear strength of composite wires.The interface bonding strength was expressed by converting the longi- tudinal shear strength of composite wire through calculation.Generally, interface shear strength is equal to the longitudinal shear strength multi- plied by a coefficient.It is found in the experiment that for a certain interface shear strength range the tensile strength of composite wire is inverse proportional to the interface shear strength. |
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| Keywords: | C/Al composite interface bonding strength tensile strength shear strength |
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