欢迎登录材料期刊网

材料期刊网

高级检索

通过分析YAG-ZrB2基复相陶瓷氧化前后的增重率、物相和显微结构,研究了YAG-ZrB2基复相陶瓷在700~1300℃的氧化行为,为提高高温陶瓷的高温性能奠定了基础.研究表明,在700~900℃氧化温度范围内,YAG-ZrB2复相陶瓷基本上不发生氧化反应;在900~1200℃氧化温度范围内,随着氧化温度的升高,增重率缓慢升高;在1200~1300℃氧化温度范围内,随着氧化温度的升高,增重率急剧增大.当氧化时间短于lh时,YAG-ZrB2复相陶瓷的增重率变化很快,而当氧化时间超过1h时,增重率变化较缓慢.

参考文献

[1] Levine S R;Opila E J;Halbig M C .Evaluation of ultra-high temperature ceranucs for aeropropulsion use[J].Journal of the European Ceramic Society,2002,22:2757.
[2] Song JG;Zhang LM;Li JG;Song JR .Effect of conditions on the dispersibility of ZrB2 particles[J].Journal of Dispersion Science and Technology,2007(7):1072-1076.
[3] 方舟,傅正义,王皓,王为民,张清杰.ZrB2陶瓷的制备和烧结[J].中国有色金属学报,2005(11):1699-1704.
[4] 宋杰光,罗红梅,杜大明,鞠银燕,叶军,李世斌,张联盟.二硼化锆陶瓷材料的研究及展望[J].材料导报,2009(03):43-46,52.
[5] Basu B;Vleugels J;Biest O V D .Development of ZrO2-ZrB2 composites[J].Journal of Alloys and Compounds,2002,334:200.
[6] Hwang SS;Vasiliev AL;Padture NP .Improved processing, and oxidation-resistance of ZrB2 ultra-high temperature ceramics containing SiC nanodispersoids[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(1-2):216-224.
[7] 于志强,杨振国.燃烧合成ZrB2/Al2O3复合粉体及其界面分析[J].复合材料学报,2005(04):86-90.
[8] Sciti D;Guicciardi S;Bellosi A;Pezzotti G .Properties of a pressureless-sintered ZrB2-MoSi2 ceramic composite[J].Journal of the American Ceramic Society,2006(7):2320-2322.
[9] Opila E;Halbig J .Oxidation of ZrB2-based ultra-high tem-perature ceramics[J].Ceramic Engineering and Science Proceedings,2001,22(03):221.
[10] Ruilan Gao;Guanghui Min;Huashun Yu .Fabrication and oxidation behavior of LaB_6-ZrB_2 composites[J].Ceramics International,2005(1):15-19.
[11] Sciti D;Brach M;Bellosi A .Long-term oxidation behavior and mechanical strength degradation of a pressurelessly sintered ZrB2-MoSi2 ceramic[J].Scripta materialia,2005(11):1297-1302.
[12] 钟香崇,赵海雷.氧化物-非氧化物复合耐火材料高温性能的研究[J].耐火材料,2000(02):63-68.
[13] William G. Fahrenholtz .The ZrB_2 Volatility Diagram[J].Journal of the American Ceramic Society,2005(12):3509-3512.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%