EFFECT OF STRESS RATIO AND TENSILE RESIDUAL STRESS ON NEAR THRESHOLD FATIGUE CRACK GROWTH
作者： Chitoshi MIKI , Takeshi MORI , Jiro TAJIMA
DOI: 10.2208/JSCEJ.1986.368_187
关键词:
摘要: The effects of stress ratios on the fatigue crack growth in a high tensile residual field are examined. Specimens, made 600MPa class steel, center-cracked type which contain longitudinal weld beads along center plate. Fatigue rates and opening levels measured at several (-1 to 0.91). Under these test conditions, cracks fully open regardless value ratio, threshold intensity factor ranges do not depend ratios.
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