Experimental Technique to Characterize the Plastic Behaviour of Metallic Materials in a Wide Range of Temperatures and Strain Rates: Application to a High-Carbon Steel |
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Authors: | M. Vautrot P. Balland O. S. Hopperstad L. Tabourot J. Raujol-Veillé F. Toussaint |
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Affiliation: | 1. Laboratoire SYMME, Université de Savoie, 74944, BP 80439, Annecy le Vieux Cedex, France 2. SIMLab, Norwegian University of Science and Technology, Trondheim, Norway
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Abstract: | This paper presents high temperature quasi-static and dynamic tensile testing. Samples are heated by an induction system controlled with a pyrometer. A high-speed camera (500 fps) is used to determine displacement fields with a digital image correlation software. For such tests a specific marking procedure of the sample is applied. This method is used to characterize the mechanical behaviour of a C68 high-carbon steel at temperatures up to 720 °C. Stress-strain curves are given from room temperature up to 720 °C at strain rates ranging from 400 /s to 4 × 102 /s. |
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