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Experimental study of the influence of thermal shock on mechanical properties of ceramic coating systems
Li XN(李霄娜)1; Liang LH(粱立红)1; Wei H2; Wei YG(魏悦广)1
2013
会议名称13th International Conference on Fracture 2013, ICF 2013
会议日期June 16, 2013 - June 21, 2013
会议地点Beijing, China
会议录名称13th International Conference on Fracture 2013, ICF 2013
页码4792-4798
摘要In this work, the change of Young's modulus, hardness, and bending strength of air plasma sprayed ceramic coating systems after different thermal shock was investigated by nanoindentation tests and three-point bending tests. The results of these tests show that the Young's modulus and hardness of nanostructured coatings and the bending strength of nanostructured coating-substrate systems fluctuate relatively slightly as the thermal shock temperature difference increases, while the Young's modulus and hardness of micro-structured coatings and the bending strength of micro-structured coating-substrate systems increase with the thermal shock temperature difference monotonously. Therefore, in the temperature range we studied, the mechanical properties of nanostructured coatings are less sensitive to the change of temperature and more stable than micro-structured coatings. Copyright © (2013) by International Conference on Fracture.
关键词Bending strength Bending tests Ceramic coatings Ceramic materials Elastic moduli Fracture Hardness Mechanical properties Microstructure Thermal shock Air plasma sprayed Change of temperatures Coating substrate systems Nanoindentation tests Nanostructured coatings Shock temperature Temperature range Three point bending test
ISBN号9781629933696
收录类别EI
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77978
专题非线性力学国家重点实验室
作者单位1.LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China;
2.Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China
推荐引用方式
GB/T 7714
Li XN,Liang LH,Wei H,et al. Experimental study of the influence of thermal shock on mechanical properties of ceramic coating systems[C],2013:4792-4798.
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