Size Evolution of the Surface Short Fatigue Cracks of 1Cr18Ni9Ti Weld Metal

• 作 者: YongxiangZHAO
• 机 构: InstituteofMechanicalEngineering
• 出 处: 材料科学技术：英文版
• 发表日期: 2003年2期
• 关键词: 1CR18NI9TI 疲劳裂缝 显微结构 机械性能 Short fatigue crack Damage evolution !Crl8Ni9Ti stee
• 基金项目: the National Natural Science Foundation of China，the Special Foundation for the Authors of National Excellent Ph.D. Theses，教育部优秀青年教师资助计划，the Provincial Youth Science and Technology Foundation of Sichu

Size evolution of the surface short fatigue cracks of 1Cr18Ni9Ti weld metal was investigated. A local viewpoint is applied to be agreement with a so-called 'effectively short fatigue crack criterion'. Attention was paid to the dominant effectively