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Abstract：
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Tube made of carbon fiber reinforced Al matrix composite is of the character of high specific strength, high specific rigidity, low dilatability and so on Furthermore, the dimentional stability is so good to be used as space material In this paper, with M40 chopped fiber and LY12, the composite is prepared by extrusion infiltration Thereout the composite tube of high mechanic performance is produced by extrusion, and finally we study the influence of extrusion parameter on the tube performance
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Funds：
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国家自然基金资助项目 (599750 2 3)
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AuthorIntro：
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Reference：
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1 WuRenjie(吴人杰)金属基复合材料的现状与展望ActaMetal lurgicaSinica,1997,33(1):78
2 KalakkathPrakasan,SambasivamSeshanMicrostructureandpropertiesofsqueezecastCu carbonfibremetalmatrixcompositeJournalofMaterialsScience199934:5045～5049
3 TWClyne,PJWithersAnIntroductiontoMetalMatrixCompositesCambridge:CambridgeUniversityPress,1993
4 DCoupard,JGoni,JFSylvvainFabricationandsqueezecastinginfiltrationofgraphite/aluminaperformsJ.Mater.Sci.,1999,34:5307
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