Evaluation of coefficient of friction in bulk metal forming
Soheil Solhjoo
TL;DR
This paper develops an upper bound analysis for the Barrel Compression Test to evaluate the coefficient of friction in bulk metal forming, validated through FEM simulations and modifications.
Contribution
It introduces a simple, quantitative method for measuring the coefficient of friction using a single cylindrical specimen in BCT, enhanced by FEM validation.
Findings
BCT effectively estimates the coefficient of friction.
FEM simulations confirm and refine the method.
The modified approach improves accuracy of friction measurement.
Abstract
In this study an upper bound analysis for cylindrical "Barrel Compression Test" (BCT) is developed. BCT method is a very simple method which can be utilized in order to evaluate quantitatively the coefficient of friction by means of just one cylindrical specimen in an upsetting test. The method is checked by a series of finite element method (FEM) simulations and by means of the results of FEM simulations the method is modified.
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Taxonomy
TopicsMetallurgy and Material Forming · Metal Forming Simulation Techniques · Microstructure and Mechanical Properties of Steels