热障涂层材料性能和失效机理研究进展

被引：35

作者：

马维

潘文霞

吴承康

机构：

[1] 中国科学院力学研究所

[2] 中国科学院力学研究所北京

[3] 北京

[4] 北京

来源：

力学进展 | 2003年 / 04期

关键词：

热障涂层; 热生长氧化; 屈曲; 层离; 服役寿命; 微组织; 能量释放率;

D O I：

暂无

中图分类号：

TG174.44 [金属复层保护];

学科分类号：

摘要：

热障涂层材料破坏由大尺度屈曲和层离机制产生,而这些机制又是微裂纹形核、扩展及相互连通结果的积累.由于特殊制备工艺和使用环境,材料性能涉及到许多特殊机制.近半个世纪的研究,人们对其性能有了充分认识.综述近几年的研究结果,内容包括:热生长氧化现象及其热力学描述;热生长应力与材料失效的联系;材料破坏机理与性能控制参数和材料微组织的联系;微缺陷演化产生的材料屈曲和层离所需的能量释放率;破坏准则、服役寿命预计模型和评价标准等.

引用

页码：548 / 559

页数：12

共 34 条

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