随着粘结剂用量增加，显气孔率下降，而抗弯强度提高；
The porosity increases and the flexural strength decrease6s with higher content of pore former.
该产品具有组织结构致密、显气孔率低，耐高温、耐侵蚀能力强等特点。
These products have very compact structure, low apparent porosity, high refractoriness, and excellent corrosion resistance.
随烧结温度的升高，材料的显气孔率降低，而体积密度、硬度和抗压强度均增加。
With the increase of sintering temperature, the apparent porosity of sample decreases, while bulk density, hardness and compressive strength increased.
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。
Correlation coefficients between the thermal conductivity and bulk density, open porosity, permeability and raw material grade was obtained respectively.
材料性能随浸渍次数增加而优化，浸渍4次的显气孔率和吸水率最低，体积密度和热稳定性最高。
The apparent porosity and water absorption were the lowest, the bulk density and heat-resistant property were the highest after dipping for 4 times.
此方法易于操作，试验结果的一致性、重现性、稳定性均很好，真实准确地反映了制品显气孔率的实际状况。
It is shown that the operation is easy, and the result has good consistency, reproducibility and stability, and the test can reflect the fact status of the product accurately.
报道了玻璃-云母多孔材料研制的结果，研究了该材料的岩相结构，对材料的抗压强度、显气孔率、体积密度进行了测试。
The investigations were conducted experimentally on not only its petrogrphic structure but alsothe properties of its compressive strength, apparent porosity, apparent density and moisture content.
结果表明：与碳化硅多孔陶瓷相比，碳化硅-堇青石多孔陶瓷的抗折强度显著提高，热膨胀系数明显降低，但显气孔率有所降低。
Results showed that compared with porous SiC ceramics, the MOR of SiC-cordierite was improved significantly, and the TEC decreased remarkably, and the apparent porosity also decreased.
结果表明：与碳化硅多孔陶瓷相比，碳化硅-堇青石多孔陶瓷的抗折强度显著提高，热膨胀系数明显降低，但显气孔率有所降低。
Results showed that compared with porous SiC ceramics, the MOR of SiC-cordierite was improved significantly, and the TEC decreased remarkably, and the apparent porosity also decreased.
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