中国机械工程Issue(14)：1978-1982,5.DOI:10.3969/j.issn.1004132X.2015.14.023
一种修正的 Norton-Hoff 本构模型及实验验证
A Modified Norton-Hoff Constitutive Model and Experimental Verification
摘要
Abstract
In order to establish constitutive descriptions for B1500 HS boron steel,it was subjected to isothermal uniaxial tensile testing on a Gleeble 1500 thermomechanical simulator at temperatures ranging from 550 ℃ to 850 ℃ and strain rates ranging from 0.1 s-1 to 10 s-1 .According to the charac-teristics of the flow stress curve of boron steel,Norton-Hoff model was modified.The predicted flow stresses using the modified model were compared with Tong-Wahlen model,Norton-Hoff model pro-posed by Brosius,and evaluated by the degree of the predicted value deviation from the experimental values.By comparison with the experimental results,it shows that the modified Norton-Hoff model is better to predict the flow stress of B1500 HS boron steel.关键词
本构模型/硼钢/流动应力/Norton-Hoff 模型/Tong-Wahlen 模型Key words
constitutive equation/boron steel/flow stress/Norton-Hoff model/Tong-Wahlen mod-el分类
矿业与冶金引用本文复制引用
王巧玲,唐炳涛,郑伟..一种修正的 Norton-Hoff 本构模型及实验验证[J].中国机械工程,2015,(14):1978-1982,5.基金项目
国家自然科学基金资助项目(51375280) （51375280）
教育部新世纪优秀人才支持计划资助项目(NCET-12-1028) （NCET-12-1028）
山东省自然科学基金资助重点项目(ZR2013EEZ003) （ZR2013EEZ003）
