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轧辊的接触疲劳断口山东工业大学（济南２５００１４）孙玉璞郭小燕孙希泰王永珊１前言对某钢厂钢板４５０－三联机钢板轧机轧辊的表层剥落进行的失效分析发现，轧辊的表层剥落有深层剥落（蝶型剥落）、浅层剥落和边角剥落等３种形式。３种剥落断口都有明显的疲劳断裂特征...
Roller Contact Fatigue Fracture Shandong University of Technology (Jinan 250014) Sun Yupu Guo Xiaoyan Sun Xitai Wang Yongshan 1 Foreword The failure analysis of the surface spalling of the rolling mill steel 450-3 triple mill found that the spallation of the surface of the roll was deep peeling ), Shallow peeling and corner peeling 3 kinds of forms. 3 kinds of flaking fracture have obvious characteristics of fatigue fracture.