ZrB_2-YAG-Al_2O_3复相陶瓷高温氧化机理研究High temperature oxidation mechanism of ZrB_2-YAG-Al_2O_3 multi-phase ceramics
宋杰光;王芳;徐明晗;杜大明;李世斌;纪岗昌;马永红;陈林燕;
摘要(Abstract)：
研究ZrB2-YAG-Al2O3复相陶瓷的高温氧化机理,以改善超高温陶瓷抗氧化。结果表明,ZrB2-YAG-Al2O3复相陶瓷的氧化质量增加随YAG-Al2O3含量增加而减小,并随Al2O3摩尔比值增大而减小。在1 300℃以下,该复相陶瓷氧化质量增加随氧化时间延长而增加,但是随着氧化时间的延长,氧化质量增加率逐渐降低。在1 300℃以上,改变YAG-Al2O3含量对氧化质量增加趋势影响不大,但改变Al2O3的摩尔比值,氧化质量增加趋势变化较为明显。
关键词(KeyWords)： 超高温陶瓷;硼化锆;复相陶瓷;氧化机理
基金项目(Foundation): 江西省教育厅青年科学基金项目（GJJ09595）;; 江西省教育科学“十一五”规划课题（09YB449）;; 九江学院大学生自主创新性实验项目（09XSCXXSY13）
作者(Author): 宋杰光;王芳;徐明晗;杜大明;李世斌;纪岗昌;马永红;陈林燕;
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