PREDICTION OF FATIGUE LIFE IN NOTCHED BODIES

摘要：

Present concepts of life assessment of notched bodies have to be improved.The study of fatigue crack initiation and short crack growth on smooth and notched specimens of austenitic-ferritic duplex steel yielded crack shapes and kinetics of growth of short cracks.Similar type of kinetics characterized by exponential growth was observed in smooth and notched specimens.The parameters of short crack growth kinetics are useful in life assessment of notched bodies.

关键词： fatigue life notch fatigue crack growth rate prediction

作者: J.Polák T.Kruml M.Petrenec K.Obrtlík O.Koteck(y) S.Degallaix

作者单位: Institute of Physics of Materials,Academy of Sciences of the Czech Republic,(Z)i(z)kova 22,61662 Brn Institute of Physics of Materials,Academy of Sciences of the Czech Republic,(Z)i(z)kova 22,616 62 Br Laboratoire de Mécanique de Lille (LML.UMR CNRS 8107),Ecole Centrale de Lille,BP 48,59651 Villeneuve

会议类型: 国际会议

会议名称: 第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)

会议地点: 安徽黄山

会议语种:英文

页码: 1189-1192

在线出版日期: 2008-06-03（万方平台首次上网日期，不代表论文的发表时间）