A new 3D multiphase FE model for micro cutting ferritic-pearlitic carbon steels

被引:46
作者
Abouridouane, Mustapha [1 ]
Klocke, Fritz [1 ]
Lung, Dieter [1 ]
Adams, Oliver [1 ]
机构
[1] Rhein Westfal TH Aachen, Lab Machine Tools & Prod Engn WZL, D-52074 Aachen, Nrw, Germany
关键词
Micromachining; Microstructure; Multiphase FEM; SIMULATION;
D O I
10.1016/j.cirp.2012.03.075
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new three-dimensional multiphase finite element computation model is proposed for the simulation of micro drilling two-phase ferritic-pearlitic carbon steels in order to understand the cutting, ploughing, tribological and heat transfer mechanisms at the microscale. Based on the Split-Hopkinson-Pressure-Bar technique, a constitutive material law has been developed to model the thermo-mechanical material behaviour including the effect of the microstructure. Micro drilling tests using solid carbide twist drills with different diameters (d = 50 mu m to 1 mm) were performed on ferrite-pearlite two-phase steel AISI 1045 for the verification of the developed 3D FE computation model regarding chip formation, feed force, and torque. (C) 2012 CIRP.
引用
收藏
页码:71 / 74
页数:4
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