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| 1 | 残余应力对涂层材料性能的影响及测量方法显示文摘简述了两种涂层沉积工艺:化学气相沉积(CVD)和物理气相沉积(PVD),并介绍了CVD制备氧化铝涂层的现状;简述了涂层材料存在的力学问题,及残余应力对涂层性能的影响;介绍了常见的残余应力测量方法,展望了拉曼光谱在氧化铝涂层残余应力测量中的发展前景。 | 高鹏 | 2018 | 机械研究与应用2018，31，6： | 1 |
| 2 | 涂层残余应力测量及涂层刀具损伤表征研究综述显示文摘涂层寿命直接影响涂层刀具的使用寿命,而涂层中残余应力的大小及分布是涂层寿命的主要影响因素。本文对涂层结构残余应力测量常用的钻孔法、X射线衍射法、拉曼光谱法的原理及应用进展进行了综述,讨论了每种方法的优势及局限性,总结归纳了涂层刀具损伤失效的表征方法及涂层残余应力演化与刀具损伤失效之间的关联。 | 丁鑫 李秋 王丽捷 谭晓华 李佰洲 乔文 王德健 | 2023 | 工具技术2023，57，1： | 1 |
| 3 | Improving the thermal shock resistance of ceramics by crack arrest blocks显示文摘Ceramics used in the high temperature environment are inevitably subjected to sudden temperature change, which may lead to catastrophic thermal shock failure due to the intrinsic brittleness of ceramics. In this paper, an experimental platform is designed to realize the in-situ observation during the thermal shock experiments. Experimental results show that all the cracks initiate from one of the edge midpoints and propagate to another one for square specimens. Such experimental observation is consistent with the maximum tensile stress zone with the maximum temperature gradient given by the finite element method(FEM). The different crack modes resulting from different heating rates after thermal shock experiments are observed and analyzed. Comparison between different clamping methods is conducted to study the effects of boundary conditions on the thermal shock experiments. Furthermore, in order to improve the thermal shock performance of alumina ceramics, crack arrest blocks are added near the edge midpoint. The thickness, shape and arrangement of the blocks are systematically investigated to understand the mechanism of improvement of thermal shock resistance. | WANG Yan Wei XIA Biao SU Hong Hong CHEN Hang FENG Xue | 2016 | Science China(Technological Sciences)2016，59，6： | 0 |
| 4 | 基于数字图像相关技术的激光熔覆涂层残余应力研究显示文摘为研究激光熔覆涂层在其厚度范围内的残余应力分布情况,将数字图像相关技术与盲孔法相结合,对样品表面进行散斑处理,通过对比钻孔前后样品表面的散斑灰度变化,分析了45钢基体Fe901激光熔覆涂层不同深度区域的残余应力分布情况,得到了不同钻孔深度下全场残余应力的分布规律。实验结果表明:在涂层内部,残余应力的数值随着到涂层表面距离的增大而增大。 | 王丽捷 孙建军 谭晓华 谭娜 李秋 | 2019 | 天津职业技术师范大学学报2019，29，3： | 0 |
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