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铸造高强度C/Al复合材料

, PP. 21-25

Keywords: 碳/铝复合材料,铸造,浸渗

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Abstract:

本文介绍用铸造法制造抗拉强度超过750MPa的高强度C/Al复合材料。将国产高强度碳纤维经MSC涂层处理后以束状排布于精密铸造模壳内,在4000Pa的真空度和0.75MPa的空气压力下将356合金液浸渗入预热模壳内,凝固后获得C/Al复合材料零件或试样。试样的抗拉强度当纤维体积分数为0.35时达764MPa。论文讨论了纤维束状排布对浸渗过程和材料韧性的有利影响。

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