Determination of Material Constitutive Laws for Inconel 718 Superalloy Under Different Strain Rates and Working Temperatures

被引：33
作者：
Grzesik, W. [1 ]
Nieslony, P. [1 ]
Laskowski, P. [2 ]
机构：
[1] Opole Univ Technol, Opole, Poland
[2] Pratt & Whitney, Rzeszow, Poland
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2017年 / 26卷 / 12期
关键词：
constitutive model; machining; modeling; CHIP FORMATION PROCESS; CUTTING SIMULATION; MACHINING PROCESS; MATERIAL MODEL; FINITE; BEHAVIOR;
D O I：
10.1007/s11665-017-3017-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a special procedure for the prediction of parameters of the Johnson-Cook constitutive material models is proposed based on the experimental data and specially developed MATLAB scripts which allow advanced modeling of complex 3D response surfaces. Experimental investigations concern two various strain rates of 10(-3) and 10(1) 1/s and the testing temperature ranging from the ambient up to 700 A degrees C. As a result, a set of mathematical equations which fit the experimental data is determined. The applicability of the experimentally derived constitutive models to the FEM modeling of real machining processes of Inconel 718 alloy is verified.
引用
收藏
页码：5705 / 5714
页数：10
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