A Statistical Model of Quantitative Relationship between Striation Spacings and Fatigue Crack Growth Rates
来源期刊：JOURNAL OF MATERIALS SCIENCE TECHNOLOG1989年第6期
论文作者：杨京俊 柯伟
文章页码：407 - 411
摘 要：<正> Fatigue crack growth experiments were per-formed on A1 alloy LD 10 and Ti-6A1-4V alloy.Fatigue striation spacings and the deviationangles between the direction of micro-crackgrowth and that of macro-crack growth were quanti-tatively measured on fracture surface usingscanning electron microscope. A statistical model of the relationshipbetween striation spacings and fatigue crackpropagation rates was developed on the basisof a statistical analysis of the deviation angles,Good agreement between experimental resultsand theoretical results calculated with thepresent model was obtained.
杨京俊，柯伟
摘 要：<正> Fatigue crack growth experiments were per-formed on A1 alloy LD 10 and Ti-6A1-4V alloy.Fatigue striation spacings and the deviationangles between the direction of micro-crackgrowth and that of macro-crack growth were quanti-tatively measured on fracture surface usingscanning electron microscope. A statistical model of the relationshipbetween striation spacings and fatigue crackpropagation rates was developed on the basisof a statistical analysis of the deviation angles,Good agreement between experimental resultsand theoretical results calculated with thepresent model was obtained.
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