β-SiAlON/BN复合陶瓷的高温力学性能和抗氧化性

材料工程, 2010, (z2): 215-217. doi: 10.3969/j.issn.1001-4381.2010.z2.061

β-SiAlON/BN复合陶瓷的高温力学性能和抗氧化性

朱峰 ^1, , 单英春 ^2, , 徐久军 ^3, , 王光 ^4, , 冯旻 ^5,

1.大连海事大学材料系,辽宁大连116026

2.大连海事大学材料系,辽宁大连116026

3.大连海事大学材料系,辽宁大连116026

4.大连海事大学材料系,辽宁大连116026

5.大连海事大学材料系,辽宁大连116026

基金项目: 高等学校博士点基金资助项目(20070151024) 国家自然科学基金资助项目(50802009) 中央高校基本科研业务费专项资金资助项目(2009QN046)

关键词： SiAlON , BN , 抗弯强度 , 抗氧化性

Influence of BN Content in β-SiAlON on Flexural Strength at High Temperature and Oxidation Resistance Properties

采用热压烧结方法制备了β-SiAlON/BN复合陶瓷,研究了其相组成、微观形貌、1000℃抗弯强度和1300℃抗氧化性.结果表明:β-SiAlON/BN微观形貌为片状BN夹杂在柱状β-SiAlON晶粒之间；β-SiAlON/BN复合陶瓷1000℃抗弯强度大于600MPa,并随着BN掺量的提高,1000℃抗弯强度下降；复合陶瓷1300℃以β-SiAlON氧化为主,单位面积氧化增重量随着BN掺量的提高而减少.

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材料期刊网

β-SiAlON/BN复合陶瓷的高温力学性能和抗氧化性

Influence of BN Content in β-SiAlON on Flexural Strength at High Temperature and Oxidation Resistance Properties

参考文献