Size Effect on Initial Dislocation Density in Low Carbon Bainitic Steels

摘要：

　　A series of 0.25C-2Mn bainitic steels at the ultrafine-grained scale has been prepared to study the size effect on initial dislocation density.An approximately linear relationship between the lath thickness and the reciprocal square root of initial dislocation density has been found through the measurement with SEM and Synchrotron XRD respectively.The significance of this size effect is thus emphasized for the present bainite in order to avoid the overestimation of boundary strengthening.

关键词： bainite dislocation density size effect lath thickness synchrotron XRD ultrafine-grained

作者: HE S.H. ZHU K.Y. HUANG M.X.

作者单位: Department of Mechanical Engineering, The University of Hong Kong,Pokfulam Road, Hong Kong, China Arcelor Mittal Research, Voie Romaine-BP30320, 57283 Maizières-lès-Metz cédex, France

会议类型: 国际会议

会议名称: the 1st International Conference on Automobile Steel & The 3rd International Conference on High Manganese Steels (第一届国际汽车用钢大会暨第三届高锰钢国际会议)

会议地点: 成都

会议语种:英文

页码: 438-441

在线出版日期: 2016-11-16（万方平台首次上网日期，不代表论文的发表时间）