ON THE IDENTIFICATION CONDITIONS OF A CONSTITUTIVE MODEL IN MACHINING OF AISI 1045 STEEL

被引：3
|
作者：
Courbon, C. [1 ,2 ]
Mabrouki, T.
Rech, J. [1 ]
Rigal, J. -F.
Mazuyer, D. [1 ]
D'Eramo, E.
Daguier, P.
机构：
[1] Univ Lyon, LTDS, ECL, ENISE, F-69621 Villeurbanne, France
[2] Univ Lyon, INSA Lyon, LaMCoS, CNRS,UMR5259, F-69621 Villeurbanne, France
来源：
INTERNATIONAL JOURNAL OF MATERIAL FORMING | 2010年 / 3卷
关键词：
Constitutive model; identification; strain; temperatures; AISI1045;
D O I：
10.1007/s12289-010-0801-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present investigation proposes to identify statistically the ranges of strain, strain rate and temperature outputs in dry orthogonal cutting of AISI 1045 steel. A finite element model based on the ALE approach is employed with different cutting speeds and feed rates to analyse numerically the thermo-mechanical behaviour in the different shear zones. Simulation results are compared to experimental measurements in order to ensure the consistency of the studied variables. A subsequent numerical study is conducted by neglecting friction at the tool-workpiece interfaces to assess its effect on mentioned outputs and especially on cutting forces. As a result, these numerical simulations highlight that the thermo-mechanical conditions are clearly dependent on the considered material shear region.
引用
收藏
页码：439 / 442
页数：4
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