Modified Johnson–Cook flow stress model with thermal softening damping for finite element modeling of cutting-Reference-Cited by-同舟云学术

Modified Johnson–Cook flow stress model with thermal softening damping for finite element modeling of cutting

Published:2016-01-05 Issue:2 Volume:230 Page:241-253
ISSN:0954-4054
Container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

Author:

Laakso Sampsa Vili Antero¹,Niemi Esko¹

Affiliation:

1. Department of Engineering Design and Production, School of Engineering, Aalto University, Espoo, Finland

Abstract

Results of materials testing for lead-free brass show that the effect of thermal softening decreases significantly when the strain rate is high. This behavior is referred to as thermal softening damping. In this article, a flow stress model with thermal softening damping based on the Johnson–Cook flow stress model was developed. Finite element simulations with the proposed model are compared to cutting experiments to estimate the effect of damping in metal cutting.

Publisher

SAGE Publications

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/0954405415619873

Reference10 articles.

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