文献类型：期刊文献

英文题名：Development of a visco-plastic constitutive modeling for thixoforming of AA6061 in semi-solid state

作者：Wang, JiaoJiao[1,2];Phillion, A. B.[2];Lu, GuiMin[1]

机构：[1]E China Univ Sci & Technol, Minist Educ, Key Lab Pressure Syst & Safety, Shanghai 200237, Peoples R China;[2]Univ British Columbia, Sch Engn, Kelowna, BC V1V 1V7, Canada

年份：2014

卷号：609

起止页码：290

外文期刊名：JOURNAL OF ALLOYS AND COMPOUNDS

收录：;EI(收录号：20142217766950);WOS:【SCI-EXPANDED(收录号:WOS:000336606000046)】；

基金：This work was supported by the National Natural Science Foundation Project of China (51374109).

语种：英文

外文关键词：Semi-solid; Constitutive modeling; Thixoforming; Liquid fraction; Thixotropic compression

摘要：A visco-plastic constitutive equation for thixoforming is proposed that takes into account the effect of the liquid fraction along with other factors i.e. the stress/strain relationship, strain rate and temperature. The incorporation of liquid fraction allows the model to be applied to any type of semi-solid aluminum alloys, which is a significant improvement over the previous empirical models. Based on the thixotropic compression tests for the semi-solid AA6061 aluminum alloy, this visco-plastic constitutive model is validated by means of simulation on the ABAQUS platform. (C) 2014 Elsevier B.V. All rights reserved.