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OALib Journal期刊
ISSN: 2333-9721
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ysz--al{2}o{3}多孔复合膜的制备和表征
Keywords: 无机非金属材料,多孔陶瓷膜,微滤膜制备,氧
Abstract:
？制备了氧化钇稳定的氧化锆(ysz)膜层与氧化铝支撑体之间组分递变的ysz--al$_{2}$o$_{3}$复合膜层.为提高分离膜层的性能,考虑了组分递变及膜层厚度的控制.结果表明,复合膜层的热膨胀系数和烧结收缩率随着ysz组分的增加而增加;烧结收缩率是选择复合膜层组分时应该考虑的主要因素.ysz体积分数分别为20\%和80\%的ysz--al$_{2}$o$_{3}$双层多孔复合膜,其可几孔径分别为0.72$\mu$m和0.36$\mu$m.该复合膜既是性能优良的微滤膜,也是制备氧化锆超滤膜和纳滤膜的良好支撑体.
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