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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DOI: 10.14024/j.cnki.1004-244x.2011.05.008
参考文献(References)：
- [1]Chamberlain A L,Fahrenholtz W G,Hilmas G E.Pressureless sintering of zirconium diboride[J].Journal of the American Ce ramic Society,2006,89(2):450-456.
- [2]宋杰光,罗红梅,杜大明.二硼化锆陶瓷材料的研究及展望[J].材料导报,2009,23(2):43-46.
- [3]Li X L,Wang J Y,Yang S L.Effect of process parameters on the synthesis of YAG nano crystallites in supercritical solvent[J].Journal of Alloys and Compounds,2006,421:298-302.
- [4]Iranauskas F,Kareira A,Lapcun B.On the modelling of solid state reactions synthesis of YAG[J].Journal of Mathematical Chemistry,2005,37:365-376.
- [5]Zhang J X,Ye F,Jiang D L.Properties of Al2O3ceramics con solidated with sulfanilic acid[J].Ceramics International,2007,33:401-404.
- [6]Cava S,Tebcherani S M,Souza I A.Structural characterization of phase transition of Al2O3nanpowders obtained by polymeric precusor method[J].Materials Chemistry and Physics,2007,103:394-399.
- [7]Song J G,Li Y L,Ji G C,et al.Influence of dispersion on coat ing effect of ZrB2A1(OH)3Y(OH)3core shell composite parti cles[J].Surface Review and Letters,2009,16(2):231-239.
- [8]Brach M,Sciti D,Balbo A.Short term oxidation of a temary com posite in the system AlN SiC ZrB[2J].Journal of the European Ceramic Society,2005,25:1771-1780.
- [9]宋杰光,李养良,潘东,等.氧化温度对ZrB2-YAG-Al2O3复相陶瓷表面组成的影响[J].兵器材料科学与工程,2010,33(5):21-23.