Damage Tolerant Porous Biomorphic SiC/C Ceramics Prepared by Infiltration of LPCS into Carbonized Pi

来源 :The 5th International Congress on Ceramics, ICC5(第五届国际陶瓷大会) | 被引量 : 0次 | 上传用户:punk123456
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  In the present work,precise casting of porous biomorphic SiC/C(bioSiC/C)ceramics is achieved by infiltration of liquid polycarbosilane(LPCS)into the carbonized template from pinewood.The morphology of the initial pinewood structure is retained after ceramization without the formation of cracks and other defects.A high compressive strength of 37.23 MPa is achieved when the bioSiC/C ceramized at 1500℃ possesses an apparent porosity of 70 vol%and a density of 0.72 g/cm3.
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