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author:

巫红平 (巫红平.) [1] | 吴任平 (吴任平.) [2] | 于岩 (于岩.) [3] | 黄绵丽 (黄绵丽.) [4]

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Abstract:

以硅藻土为主要原料制备高气孔率的多孔陶瓷基体,探讨不同造孔剂添加量及不同烧结温度对多孔陶瓷气孔率、吸水率、体积密度和抗折强度的影响,对比手工可塑成型与模具压制成型得到制品的微观结构和性能。用XRD、SEM测试分析手段表征不同条件下硅藻土多孔陶瓷的结构及性能变化。结果确定最佳配方为:生硅藻土50%,煅烧硅藻土45%,粘土5%;外加5%木屑(造孔剂),在1000℃煅烧温度下,可以得到气孔率为54.00%,体积密度为1.05g/cm^3,吸水率为51.38%,抗折强度为11.29MPa的多孔陶瓷,比表面积达到11.65m^2/g,孔容0.288m^3/g,孔径为6.26nm。

Keyword:

多孔陶瓷 成型方法 气孔率 烧结温度 硅藻土

Community:

  • [ 1 ] 福州大学材料学院,福州350108

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Source :

硅酸盐通报

ISSN: 1001-1625

Year: 2009

Issue: 4

Volume: 28

Page: 641-645

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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