Ultra-High Temperature Laminated Ceramic Composites

摘要：

　　Ultra-high temperature laminated ceramics were prepared through aqueous tape casting and hot pressing.The oxidation behavior for ZrB2-SiC and HfB2-SiC laminated ceramics at 1500 ℃ were evaluated by weight gain measurements and cross-sectional microstructure analysis.During the oxidation process of laminated ceramics,first the low melting phase is volatilized;then the oxidation layer is formed,it can protect from further oxidation.The oxidation mechanism was discussed.The results indicate that the oxidation resistance of HfB2-SiC laminated ceramics were better than that of ZrB2-SiC laminated ceramics.

关键词： Laminated Ceramics Tape Casting Hot Pressing Oxidation Resistance

作者: Fengjuan Zuo Laifei Cheng Liangjun Li Litong Zhang Liuyi Xiang

作者单位: Science and Technology on Thermostructural Composite Materials Laboratory,Northwestern Polytechnical University,Xian,Shaanxi 710072,PR China

会议类型: 国际会议

会议名称: The tenth China-Japan joint conference on Composite Materials (第10届中日复合材料学术会议(CJJCC-10))

会议地点: 成都

会议语种:英文

页码: 307-307

在线出版日期: 2012-09-08（万方平台首次上网日期，不代表论文的发表时间）