C/C复合材料开孔孔隙度和比表面积 关键字： C/C复合材料;开孔孔隙度;比表面积;氧化性能[gap=1394]Key words: carbon/carbon composites; open porosity; specific surface area; oxidation property
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The results show that the SSFs' bending strength gradually increases and the open porosity falls with increasing the slurry loading in precursor;
研究发现：随前驱体中浆料浸入量的增加，泡沫制品的抗弯强度逐渐提高，开孔率有所降低；
Correlation coefficients between the thermal conductivity and bulk density, open porosity, permeability and raw material grade was obtained respectively.
另外，还计算了导热系数与体积密度、显气孔率、透气度和原料等级之间的相关系数。
So that, it is necessary to adopt very sinterable UO2 powder and suitable pelleting and sintering conditions to minimize open porosity and small porosity.
因此，必须采用烧结性良好的UO_2粉末和合适的成型烧结条件以使开口孔隙度和细孔隙度降至最低。
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