...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of thermal stresses >Thermoelasticity problem for a multilayer coating/half-space assembly with undercoat crack subjected to convective thermal loading
【24h】

Thermoelasticity problem for a multilayer coating/half-space assembly with undercoat crack subjected to convective thermal loading

机译：带有对流热负荷的底涂层裂纹的多层涂层/半空间组件的热弹性问题

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The transient thermal stress crack problem for a half-space with a multilayer coating under thermal surface loading containing an undercoat crack, perpendicular to the interface, is considered. The problem is solved using the principle of superposition and uncoupled quasi-static thermoelasticity. Transient temperature distribution and corresponding thermal stresses for the uncracked multilayer assembly are obtained in a closed analytical form using the model with generalized thermal boundary conditions of heat exchange of a half-space with ambient media via the coating. The crack problem is formulated as a perturbation mixed boundary value problem, in which the crack surface loading should be equal and opposite to the thermal stresses obtained for the uncracked medium, and is reduced to a singular integral equation and solved numerically. Numerical computations are performed for the analysis of influence of the coating upon thermal stresses and thermal stress intensity factor.
机译：考虑了在具有垂直于界面的底涂层裂纹的热表面载荷下具有多层涂层的半空间的瞬态热应力裂纹问题。使用叠加原理和非耦合准静态热弹性原理解决了该问题。对于未破裂的多层组件，其瞬态温度分布和相应的热应力是使用模型通过封闭分析形式获得的，该模型具有通过涂层与环境进行半空间热交换的广义热边界条件。裂纹问题被公式化为摄动混合边值问题，其中裂纹表面载荷应等于未裂纹介质获得的热应力，并且与之相反，并简化为奇异积分方程并进行数值求解。进行数值计算以分析涂层对热应力和热应力强度因子的影响。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号