等离子喷涂热障涂层残余应力的实验与模拟研究

doi:10.3724/SP.J.1077.2013.13272

无机材料学报 ›› 2013, Vol. 28 ›› Issue (12): 1381-1386.DOI: 10.3724/SP.J.1077.2013.13272 CSTR: 32189.14.SP.J.1077.2013.13272

• 研究快报 • 上一篇

等离子喷涂热障涂层残余应力的实验与模拟研究

杨加胜^1,2,3, 于建华⁴, 钟兴华^1,2, 赵华玉^1,2, 周霞明^1,2, 陶顺衍^1,2, 丁传贤^1,2

(1. 中国科学院特种无机涂层重点实验室, 上海201899; 2. 中国科学院上海硅酸盐研究所, 上海201899; 3. 中国科学院大学, 北京100049; 4. 青岛科技大学, 青岛266042)

收稿日期:2013-05-20 修回日期:2013-06-16 出版日期:2013-12-20 网络出版日期:2013-11-15
作者简介:杨加胜. E-mail:jiashengyang@student.sic.ac.cn
基金资助:
National Natural Science Foundation of China (51202277)

Experimental and Numerical Investigation of Residual Stresses in Plasma-sprayed Thermal Barrier Coatings

YANG Jia-Sheng^{1, 2, 3}, YU Jian-Hua⁴, ZHONG Xing-Hua^{1, 2}, ZHAO Hua-Yu^{1, 2}, ZHOU Xia-Ming^{1, 2}, TAO Shun-Yan^{1, 2}, DING Chuan-Xian^1,2

(1. Key Laboratory of Inorganic Coating Materials, Chinese Academy of Sciences, Shanghai 201899, China; 2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China; 3. University of Chinese Academy of Sciences, Beijing 100049, China; 4. College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)

Received:2013-05-20 Revised:2013-06-16 Published:2013-12-20 Online:2013-11-15
About author:YANG Jia-Sheng(1987-), male, candidate of master degree. E-mail:jiashengyang@student.sic.ac.cn
Supported by:
National Natural Science Foundation of China (51202277)

摘要/Abstract

摘要： 分别采用真空和大气等离子体喷涂工艺在GH3128镍基高温合金基材表面制备CoNiCrAlY结合层和氧化钇部分稳定的氧化锆陶瓷层组成热障涂层。采用有限元模拟计算了涂层的残余应力, 研究了基材预热对打底层与陶瓷层界面应力分布的影响规律。结果表明, 预热基材可以显著地降低陶瓷顶层内部产生的残余拉应力。采用钻孔法测量了涂层中的残余应力并与模拟结果作定量比较, 结果表明: 有限元模拟计算结果与实验测量结果能较好吻合。

关键词: 热障涂层, 等离子喷涂, 残余应力, 有限元分析

Abstract: Finite element analysis (FEA) was performed to analyze residual stresses development within thermal barrier coatings system consisting vacuum plasma sprayed CoNiCrAlY bondcoat and atmospheric plasma sprayed yttria partially stabilized zirconia topcoat on the GH3128 nickel-based superalloy substrates. The effect of substrate preheating process on the residual stress generated at the bondcoat/topcoat interface was evaluated. The results show that substrate preheating process reduces tensile stresses within the coating. To provide quantitatively comparison to the computational results, hole-drilling method was used to evaluate the residual stresses. The measured residual stresses are in agreement with the numerical simulation results obtained from FEA.

Key words: thermal barrier coating, plasma spraying, residual stress, finite element analysis

中图分类号:

TQ174

杨加胜, 于建华, 钟兴华, 赵华玉, 周霞明, 陶顺衍, 丁传贤. 等离子喷涂热障涂层残余应力的实验与模拟研究[J]. 无机材料学报, 2013, 28(12): 1381-1386.

YANG Jia-Sheng, YU Jian-Hua, ZHONG Xing-Hua, ZHAO Hua-Yu, ZHOU Xia-Ming, TAO Shun-Yan, DING Chuan-Xian. Experimental and Numerical Investigation of Residual Stresses in Plasma-sprayed Thermal Barrier Coatings[J]. Journal of Inorganic Materials, 2013, 28(12): 1381-1386.

参考文献

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等离子喷涂热障涂层残余应力的实验与模拟研究

Experimental and Numerical Investigation of Residual Stresses in Plasma-sprayed Thermal Barrier Coatings

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