| 单层厚度对Sm2Zr2O7/8YSZ热障涂层残余热应力的影响 |
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| 引用本文： | 魏媛,李世显.单层厚度对Sm2Zr2O7/8YSZ热障涂层残余热应力的影响[J].中国陶瓷,2012(10):30-33,39. |
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| 作者姓名： | 魏媛 李世显 |
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| 作者单位： | 河南工程学院材料与化学工程系;郑州铁路职业技术学院机电工程系 |
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| 摘 要： | 采用有限单元法研究了金属粘结层厚度、热生长氧化层厚度及陶瓷层厚度对Sm2Zr2O7/8YSZ双陶瓷层热障涂层残余热应力的影响。结果表明,金属粘结层厚度为0.1mm时,涂层径向应力最小。涂层径向应力随热生长氧化层的厚度的增加而减小。当YSZ厚度在0.1～0.5mm之间时,径向热应力随YSZ厚度增加而增大,超过0.5mm后应力基本不再变化。陶瓷层最佳厚度组合是0.1mmYSZ+0.9mmSm2Zr2O7。
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| 关 键 词： | 热障涂层 有限单元法 涂层厚度 残余应力 |
EFFECT OF SINGLE-LAYER THICKNESS UPON RESIDUAL THERMAL STRESS IN Sm2Zr2O7/8YSZ THERMAL BARRIER COATINGS |
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| Wei Yuan,Li Shixian.EFFECT OF SINGLE-LAYER THICKNESS UPON RESIDUAL THERMAL STRESS IN Sm2Zr2O7/8YSZ THERMAL BARRIER COATINGS[J].China Ceramics,2012(10):30-33,39. |
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| Authors: | Wei Yuan Li Shixian |
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| Affiliation: | 1 Department of Materials and Chemistry,Henan Insitute of Engineering,Zhengzhou 450007;2 Department of Mechanical and Electrical Engineering,Zhengzhou Railway Vocation Technical College,Zhengzhou 450052) |
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