A MICROSTRUCTURE-BASED ANALYSIS FOR CYCLIC PLASTICITY OF PEARLITIC STEELS

摘要：

A microstrucure-based constitutive description for pearlitic steel is proposed by three stages: (1) Formulating the constitutive model for the ferrite and cementite phase,respectively; (2) Deriving the model for a colony composed of parallel lamellas of the ferrite and cementite; and (3) Obtaining the description of pearlitic steels with the Hills self-consistent scheme and general anisotropic eshelby tensor.With the proposed model,the experimental results of pearlitic steel can be well replicated.Compared with the results using isotropic eshelby tensor,it shows that the isotropic approximation can provide acceptable overall elastoplastic responses.

关键词： pearlitic steel microstruture-based analysis eshelby tensor

作者: X.S.Long X.H.Peng W.L.Pi

作者单位: Department of Engineering Mechanic,Chongqing University,Chongqing,400044,China

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: 46-49

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）