Constitutive modeling of metals based on the evolution of the strain-hardening rate

被引：21
|
作者：
Durrenberger, L. [1 ]
Klepaczko, J. R. [1 ]
Rusinek, A. [1 ]
机构：
[1] Univ Paul Verlaine Metz, CNRS, UMR 75 54, Lab Phys & Mech Mat, F-57045 Metz, France
来源：
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME | 2007年 / 129卷 / 04期
关键词：
constitutive relation; dynamic plasticity; Zener-Hollomon parameter;
D O I：
10.1115/1.2772327
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The mechanical threshold stress (MTS) model is not commonly used in industrial applications due to its complexity. The Zener-Hollomon parameter Z was utilized to develop a simplified and compact formulation similar to the MTS model. The predictions of the proposed formulation are compared to the results obtained by the original MTS model and experimental data. The flow stresses of three cold-rolled steels frequently used in automotive industries were analyzed for both formulations over a wide range of strain rates (8.10(-3) S-1 <= ((epsilon) over bar (P)) over dot <= 10(3) S-1).
引用
收藏
页码：550 / 558
页数：9
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