Determination of AISI 1045 Steel Constitutive Model by Cutting Experiment Inverse Analysis Methods

Xin Yi Qiu; Peng Nan Li; Shun Xing Wu; Zhi Hui Yan; Si Wen Tang

doi:10.4028/www.scientific.net/KEM.589-590.52

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 589-590Determination of AISI 1045 Steel Constitutive...

Determination of AISI 1045 Steel Constitutive Model by Cutting Experiment Inverse Analysis Methods

Abstract:

Based on the Merchant shear angle theory, two-dimensional high-speed orthogonal cutting experiments with an ‘OXCUT’ flow stress inverse procedure were used to determine the Johnson-Cook constitutive constants of the AISI 1045 steel (195HB). The constitutive constants obtained in the strain range 1.3-1.4 and large strain rate range 6106-7106/s. It is verified by experiments, and the result shows that the cutting forces are within the permissible error range. Compared the constitutive model with Hu’s, the cutting forces of this constitutive model of FEM are closer to the measurement, while the feed force has a relatively larger gap.

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Key Engineering Materials (Volumes 589-590)

Pages:

52-57

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.589-590.52

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Online since:

October 2013

Authors:

Xin Yi Qiu, Peng Nan Li, Shun Xing Wu, Zhi Hui Yan, Si Wen Tang

Keywords:

AISI 1045 Steel, Finite Element Method (FEM), High-Speed Orthogonal Cutting, Johnson-Cook Constitutive Model

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