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1、SiC-W复合材料的制备与表征26??]??B3?72006??6?R]?]??;]???]???]???]???]???JOURNALOFAERONAUTICALMATERIALSVol.26,No.3June]?2006C/SiC2W?E?R???????H?U?T??????????,?C????,?1???F,???a?i(???,???e?c???????%?????E?R???????8??????????????,????710072)????:???m?.???o???,?I(CVI)???R???????E???H?UC/SiC2W?e?y???E?R?
2、???,?%?mXRD??SEM???????????????C?????????????z????,?????H?U???L???????x?O???z?W??????]6???????T,W?m?E?R?????q?C??????????,???E?????,???]?E?R??????????????,???,???]????????]6?H??C/SiC2W?E?R???????????x411g/cm3,???o?????x12%]6???@??:C/SiC2W?E?R????;?e?y????;???????E?q???O????:V257;TB333]?]?
3、]?]?]?]????@?U???2:A]?]?]?]?]?]??????.??:100525053(2006)0320152205?H?r???7:2006202220;???????7:2006203220???????????????H????????????????(55)???J??????????(),?h,?????o???7,?K??????S???????E?R?????H?U???[]2?c???????m???????o??,(2)q@6]6]?]????????????????.?Y???????E?R????(CMC2SiC)???N?????x
4、]2?????)]2?C???%]2??????]2???c?.?????????j?u?6?c??,?????x?[??C/C?E?R?????Z?T???????????????u???c????,???????????m????????[1]]6???????N?????????c,???????>]2?????j?c??,???????l???]?????????q?e???????????????c??,??:?????e???,???k???????????????????c??,???m?????.?????]???????????m,????????
5、?????????U?c??[2]]6CMC2SiC?q?l??????,???]???O?[???????????????????????Z?????????E?R????,?????????????o????????CMC2SiC?????m?3??]6???[??????????????(?????x3410)3),??????????????(415??1026)321)?TSiC????,???N?????????0??,??????,?????xSiC?????M?j???????????s???N?u?????c??[3]]6?B?????N????????
6、?TC/SiC???z?E?R]6?H?UW???????K???N:?.???o??????(CVD)??[4],?c?.????????[5,6]]6?=CVD??,???????????x?E?s]6?B?????q???m?m?t?q?????????c(25)3??,???????x300)??????????(AMT)?x????,?m?.???o???,?I(CVI)???R???????E???H??C/SiC2W?E?R????]6?o????C/SiC2W?E?R???????H?U???L,?????E?R?????????C?????????z??
7、??,?F??,???H?U???L???????x?O???z???W??????]61]???]???111]?????C/SiC???h?[??PAN?????????3???s?x???H??,?mCVI???H?U0123?m?????????z???s?T,?m1000)3???%???L,???m?????.???o??????(LPCVI)SiC?H??,???????????L???????@[7],?O?????????????????C????,???x???x6mm??3mm??30mm,?m?r???
