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Development of Integrated Fatigue Strength Assessment System
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 Title & Authors
Development of Integrated Fatigue Strength Assessment System
Park, Jun-Hyeop; Song, Ji-Ho;
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 Abstract
An integrated fatigue strength assessment system was computerized. The system developed consists of 9 modules: user interface, cycle counting, load history construction, data searching, fatigue properties estimation, fatigue data analysis, true stress and strain analysis, expert system for crack initiation life prediction, fatigue crack initiation and propagation life prediction. Fatigue strength database also was included in this system. The fatigue expert system helps a beginner to predict a fatigue crack initiation life in fatigue strength assessment. The expert system module in this system is developed on the personal computer by using C language and UNiK, an expert system developing tool. To evaluate the system, the results of test under variable loading of SAE and failure data from a field were analyzed. The evaluation show that the system provided fatigue life prediction within 3-scatter band and gave reasonable predictions. To get more accurate predictions of fatigue life without fatigue properties, we recommend utilizing the system along with the fatigue strength database.
 Keywords
Fatigue Life Prediction;Expert System;Load History;Fatigue Properties;
 Language
Korean
 Cited by
1.
무개화차용 엔드빔의 피로수명에 대한 신뢰성 분석과 계획예방정비,백석흠;전주헌;이경영;조석수;주원식;

대한기계학회논문집A, 2005. vol.29. 3, pp.495-502 crossref(new window)
2.
노화에 따른 혈관벽의 피로파괴가 혈관 내의 압력변화에 미치는 영향,신상훈;

대한기계학회논문집A, 2008. vol.32. 5, pp.444-450 crossref(new window)
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