| 碳化硅纤维增强铝基复合材料的界面组织研究EI |
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| 引用本文： | 于建彤 李春志. 碳化硅纤维增强铝基复合材料的界面组织研究EI[J]. 材料工程, 1995, 0(4): 32-34 |
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| 作者姓名： | 于建彤 李春志 |
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| 作者单位： | 北京航空材料研究所 |
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| 摘 要： | 本文利用透射电子显微术（ＴＥＭ）和微区能谱分析（ＥＤＸ）对化学气相沉积碳化硅纤维增强ＬＤ２铝合金的界面结构进行了研究，并对显微组织与性能的关系进行了讨论。结果发现，用热压扩散工艺生产的ＳｉＣ／Ａｌ复合材料，其基体与ＳｉＣ纤维结合良好。界面处有棒状相Ａｌ＿４Ｃ＿３生成（该相是菱形结构，对纤维强度有较大破坏作用），且存在镁元素富集。
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| 关 键 词： | 铝基复合材料 界面 微观结构 碳化硅 纤维增强 Al matrix composites interface microstructure |
A Study of the Interface Structure in SiC Fiber Reinforced Al Matrix Composites |
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| Yu Jiantong,Li Chunzhi. A Study of the Interface Structure in SiC Fiber Reinforced Al Matrix Composites[J]. Journal of Materials Engineering, 1995, 0(4): 32-34 |
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| Authors: | Yu Jiantong Li Chunzhi |
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| Abstract: | he structure of the interface of a chemical vapour deposition SiC fiber reinforced LD 2 Al matrixcomposites has been studied by using TEM and EDX,and the relationship between microstructures andproperties has been discussed.Research results show that the bond between matrix and fiber is perfact butrod- like particles of Al_4 C_3 phase with rhombohedral structure form in interfaces.The phase is harmful tothe strength of fibers. |
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| Keywords: | Al matrix composites interface microstructure |
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