Influence of CMAS on residual stresses of EB-PVDthermal barrier coating system

陈智; 贾文斌; 赵凯; 黄红梅; 方磊

doi:10.13224/j.cnki.jasp.2019.04.017

Chinese

您当前的位置：

首页 >

文章列表页 >

Influence of CMAS on residual stresses of EB-PVDthermal barrier coating system

更新时间：2026-07-07

- Influence of CMAS on residual stresses of EB-PVDthermal barrier coating system
- Vol. 34, Issue 4, Pages: 875-884(2019)
- 作者机构：
  
  南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室,南京,210016
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2019.04.017
  CLC：
- Published：2019
- 稿件说明：
移动端阅览
陈智, 贾文斌, 赵凯, 黄红梅, 方磊. 环境氧化物对EB-PVD热障涂层残余应力的影响[J]. 航空动力学报, 2019, 34(4): 875-884.

doi: 10.13224/j.cnki.jasp.2019.04.017
陈智, 贾文斌, 赵凯, 黄红梅, 方磊. 环境氧化物对EB-PVD热障涂层残余应力的影响[J]. 航空动力学报, 2019, 34(4): 875-884. DOI： 10.13224/j.cnki.jasp.2019.04.017.

doi: 10.13224/j.cnki.jasp.2019.04.017 DOI：

摘要

通过建立EB-PVD涂层的柱状晶模型

系统地研究了CMAS沉积和渗透对残余应力的影响。结果表明:CMAS的沉积和渗透产生了很大的面内、面外拉应力

导致垂直、水平裂纹的萌生;随着裂纹扩展

最终涂层发生剥落和分层失效。该失效主要发生在TC层表面下方、CMAS渗透交界处、陶瓷/黏结(TC/BC)界面附近。

Abstract

A finite element model of electron beam-physical vapor deposition (EB-PVD) thermal barrier coating (TBC) considering crystalline columns was developed

the influence of CMAS deposition and penetration on residual stresses was systematically studied. The results showed that large in-plane and out-of-plane residual tensile stresses were induced by CMAS deposition and penetration

the vertical and horizontal cracks were easily initiated and propagated

finally TBC failed due to the spall off and delamination. These failure modes mainly happened at three regions: closely beneath the surface of TC

the interface between CMAS penetration and none penetration zone

and close to the top coating/bond coating(TC/BC) interface.

关键词

Keywords

references

Views

580

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Research status and development trend of condition monitoring on main⁃shaft bearings used in aircraft engines

High-efficiency and accurate dynamical modeling and evaluation method for complex irregular casing

Method of failure mode analysis and test verification for fiber reinforced composites turbo-shaft structure

Calculation method of stress intensity factors of eccentric through cracks subjected to complex loading

Responses of pipe system with flexible clamp under harmonic excitation

Related Author

Peng LIU

Liqin WANG

Chuanwei ZHANG

Dezhi ZHENG

WEI Jing

ZHOU Renhongyi

ZHANG Aiqiang

JIANG Dong

Related Institution

State Key Laboratory of Robotics and System，Harbin Institute of Technology

Ministry of Industry and Information Technology Key Laboratory of Aerospace Bearing Technology and Equipment，Harbin Institute of Technology

State Key Laboratory of Mechanical Transmission, Chongqing University

南京航空航天大学机械结构力学及控制国家重点实验室

北京航空航天大学能源与动力工程学院

AI问答

Postal code：100079
Tel：（010）53879206 Email：tmw@bjxintong.com.cn
Technical support is provided by Beijing Founder electronics co., LTD 京ICP备09082226号-64 京公网安备11010602201714号
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.

⁰