Fatigue damage and cyclic plasticity assessment of engineering materials under various uniaxial and biaxial loading conditions

各种单轴和双轴加载条件下工程材料的疲劳损伤和循环塑性评估

• 批准号: 227597-2011
• 负责人: VarvaniFarahani, Ahmad
• 金额: $ 1.68万
• 依托单位: Ryerson University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=546775
• 关键词: Fatigue; damage; cyclic; plasticity; assessment

Fatigue is known to be the principal cause of failure in many engineering components and structures. The reported cost of premature catastrophic failure in engineering structures annually is in excess of $150 billion due to the complex geometry of components and structures and the sever loads they experience under service loading conditions. The safety issues and the expenses associated with failure of engineering materials, necessitate implementing a high degree of reliability analysis against failure of materials by developing a reliable fatigue damage approach.

众所周知，疲劳是许多工程部件和结构失效的主要原因。由于构件和结构的复杂几何形状以及它们在服务载荷条件下经历的严重载荷，每年报告的工程结构中的过早灾难性失效的成本超过1500亿美元。与工程材料失效相关的安全问题和费用，需要通过开发可靠的疲劳损伤方法来实施针对材料失效的高度可靠性分析。