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Determination of Constitutive Equation Parameters for Face Milling 3-D Simulation via Pressure Bar and Orthogonal Cutting Tests

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Abstract:

Material constitutive equation plays an important role in Finite Element Analysis (FEA) of metal cutting process. This paper proposes a method to obtain parameters for Power Law model of a Japanese type of alloy steel (SCM440H) for 3-D FEA of face milling process, involving pressure bar experiments and orthogonal metal cutting experiments. Since pressure bar test cannot reach the high strain rate occurred in cutting process, orthogonal cutting experiment was combined to obtain parameters for material model. By this method, the ideal parameters for FEA of the face milling process were finally determined. Face milling experiments were performed to verify the accuracy of the model built.

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Periodical:

Materials Science Forum (Volume 723)

Pages:

136-142

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.723.136

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Online since:

June 2012

Authors:

Sha Liu, Jian Fu Zhang, Ping Fa Feng, Ding Wen Yu, Zhi Jun Wu

Keywords:

3-D FEA, Face Milling, Orthogonal Cutting, Power Law Model, SHPB

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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