等离子体喷涂锆酸钆涂层残余应力的仿真计算

来源 :第十四届国际热喷涂研讨会(ITSS’2011)暨第十五届全国热喷涂年会(CNTSC’2011) | 被引量 : 0次 | 上传用户:a619906915
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  采用有限元模拟计算等离子体喷涂Gd2Zr2O7 涂层在热震过程中结合层/陶瓷层界面附近产生的残余应力,分析热生长氧化物(TGO)厚度和界面粗糙度对应力分布的影响。计算结果显示,结合层/陶瓷层界面波峰和波谷处的应力分布截然不同;光滑的界面上TGO增厚能更显著改变涂层内应力的分布。结合涂层热循环试验结果,涂层断裂剥落源于靠近界面的陶瓷层内,在此基础上,进一步探讨了涂层的失效机理。
其他文献
  通过对某公寓实地检查和计算分析,详细讨论外套框架增层方法的适用条件,并指出了结构计算中须要注意的关键点,同时简要介绍了本次改造加固采用的方案,可为类似工程的加固改造
  本文分析了闭式冷却塔的传热传质机理,建立了二维计算模型,在此模型的基础上编写圆管型闭式冷却塔设计计算模拟程序。采用不同作者经典的传热传质经验公式,以总传热系数、换
  Electric compasses are gaining importance as an important sensor in Various consumer electronics products. New sensor solutions are still interesting if the
  Research and Application of Micro-nano Thin Films Generated by Ion Beam Assisted Deposition (IBAD)Jinsheng Liu.This paper from the following aspects were in
  USHIO is introducing the mass production system with large area projection elposure (8 inch one shot)and the high precision technology.As everybody knows, M
  MEMS devices require high topographic structures. Many of them cause problems for resist process withspin coating technique. Another problem is the high di
  STMicroelectronics Technical Marketing ManagerSensor&High Performance ICs.Collins WU has been more than 10 years experience in semiconductor area, he is MEM
  Complex SoC designs are facing increased challenges, including design Verification, design implementation and design integration. The presentation shall bri
  A brief introduction to INO elpertise and business model will be presented. The main body of this presentation will illustrate INO unique contribution to de
  高温可磨耗封严涂层主要以结合强度、硬度、可磨耗性和抗热震为性能衡量指标,孔隙的数量、形貌可以调节陶瓷涂层的结合强度和硬度,改善热震性能和可磨耗性能,高温封严涂层一