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Title of Journal: J Mech Sci Technol

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Abbravation: Journal of Mechanical Science and Technology

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Korean Society of Mechanical Engineers

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DOI

10.1002/chin.199937287

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1976-3824

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A formula for the crack opening level under random

Authors: ChungYoub Kim JiHo Song
Publish Date: 2014/02/14
Volume: 28, Issue: 2, Pages: 521-525
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Abstract

Based on the fatigue crack growth results of the previous work for 2024T351 aluminum alloy the crack closure behavior under random loading was analyzed and the correlation between the crack opening ratio and the stress ratio under random loading was discussed The crack opening ratio under random loading can be expressed as a function of the stress ratio for the largest load cycle in a random load history The correlation obtained is found to provide good predictions for crack growth under random loadingChungYoub Kim is a professor at the School of Mechanical Design Engineering at Chonnam National University in Yosu Korea He received his BS from Korea University in 1986 and MS and PhD from Korea Advanced Institute of Science and Technology in 1986 and 1993 respectively His research interest is the fatigue strength evaluation of bulk and thin film materialsJiHo Song is now a professor emeritus in Mechanical Engineering Korea Advanced Institute of Science and Technology KAIST He has published several books Fundamentals of Mechanical Drawings 2003 Fatigue Crack Japanese Edition 2005 Korean Edition 2006 An Introduction to Reliability Engineering in Mechanical Design 2007 Dictionary of Fatigue Fracture and Fatigue Strength of Materials FatiguePedia of Materials 2011

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