STATISTICAL EVALUATION OF FLOW CURVE MEASUREMENT RESULTS

L. Gusel

Abstract

Flow curves of metals to be formed must be known if we want to calculate the forces for metal-forming processes. If we can not find flow curve for the material to be formed, we have to carry out an experiment to get flow curve for this material. Instead of expensive and long-time experimental work, flow curve can be determined by using statistical methods. This paper presents determination of flow curves by using multi- regression analysis based on few experimental points of torsion test.

Keywords

flow curve, torsion test, statistical analysis

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IMEKO-WC-2000-EVL-P537.pdf

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