具有微孔洞结构陶瓷材料热冲击实验研究

贺鹏飞 ^1, , ^2, , ^3, , ^4,

1.上海交通大学;同济大学理学院

2.Department of Materials Science and Metallurgy,University of Cambridge, Pembroke Street,

3.Department of Materials Science and Metallurgy,University of Cambridge, Pembroke Street,

4.Department of Materials Science and Metallurgy,University of Cambridge, Pembroke Street,

基金项目: 国家自然科学基金(19972048) 教育部访问学者基金教育部留学回国人员科研启动基金

Cracking of Porous Ceramics under Thermal Shock

对微孔洞体积含量分别为5%(密实材料),10%,20%和30%(微孔洞结构材料)的四种氧化铝陶瓷材料通过水冷却的实验法进行了热冲击实验.实验结果表明无论从裂纹的起始模式,还是裂纹扩展程度,都表明具有微孔洞结构的陶瓷材料比其对应的密实材料有着较好的抗热冲击性能.

[1]	MMLewis.Microstructural Engineering of Ceramics for High Temperature Application 713-730[A].Pleum New York,1986
[2]	PengfeiHe;Cleggy .ModelingofThermalShockSpallingCrackinaCeramicSlabs[J].Key Engineering Materials,2000,183-185:1213-1218.
[3]	AGEvans.PerspectiveontheDevelopmentofHigh-ToughnessCeramics[J].Journal of the American Ceramic Society,1990(73):187-206.
[4]	MartinPHarmer et al.Unique Opportunities for Microstructural Engineering with Duplex and Laminar Ceramic Composites[Z].,1986.
[5]	WJCleggy et al.ASimpleWaytoMakeToughCeramics[J].Nature,1990,347:455-457.
[6]	KunaM;Liesk H.FractureAnalysisofaSingleEdgeCrackedStripUnderThermalShock[J].Theoretical and Applied Fracture Mechanics,1987(08):33-39.

上一张下一张

计量

作者相关

文章评分