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《Journal of Solid Rocket Technology》 2006-02
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Design and Characterization of a kind of C/C sealing material

XIE Hui-zhen,CUI Hong,LI Rui-zhen,DUAN Jian-jun(The 43rd Institute of the Fourth Academy of CASC,Xi'an 710025,China)  
A kind of C/C sealing material was designed and prepared.The material taking needled non-woven cloth as reform was sequentially densified by using CVD carbon,resin-based carbon and pitch-based carbon with intermediate heat treatment temperature of 2 500 ℃,and finally the material was modified by pore filling impermeability treatment.Comprehensive properties of the material were very good with density of 1.92 g/cm~3,opening pore percentage 0.06%,Shore hardness 77,the axial compressive strength 232 MPa,and the axial flexural strength 158 MPa.The material has been checked in the cold flow test and static firing test successfully.
【Fund】: 国家913基金资助项目(2006CB600902)
【CateGory Index】: TB42
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