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7 results on '"Vautrot, M."'

6. FE simulation of a steel thin-wall short-tube forming process.

Author

Raujol-Veillé, J., Toussaint, F., Tabourot, L., Vautrot, M., and Balland, P.

Subjects
FINITE element method, SIMULATION methods & models, STEEL tubes, METALWORK, DEFORMATIONS (Mechanics), MECHANICAL models, KINEMATICS
Abstract

This article concerns the forming of a steel thin-wall short-tube by an innovative small surface contact deformation process. A Finite Element model was built to predict the forming of the workpiece. The model controls the complex kinematics of the process. The problems associated with contact control and computation time are also investigated. Compared with measurements taken by the industrial partner, the first results obtained are highly promising, with regard to predicting both the workpiece geometry and the forces acting on the tools. [ABSTRACT FROM AUTHOR]

Published
2011
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7. Characterization of high carbon steel C68 at elevated temperatures and different strain rates

Author

Vautrot, M., Balland, P., Hopperstad, O. S., Laurent Tabourot, Raujol-Veille, J., Toussaint, F., Laboratoire SYstèmes et Matériaux pour la MEcatronique (SYMME), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]), Structural Impact Laboratory (SIMLab), Centre for Research-based Innovation (CRI), Norwegian University of Science and Technology [Trondheim] (NTNU), Norwegian University of Science and Technology (NTNU)-Norwegian University of Science and Technology (NTNU), and Symme, Univ. Savoie Mont Blanc

Subjects
[PHYS.MECA.GEME] Physics [physics]/Mechanics [physics]/Mechanical engineering [physics.class-ph], [PHYS.MECA.GEME]Physics [physics]/Mechanics [physics]/Mechanical engineering [physics.class-ph], [SPI.MECA.GEME] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanical engineering [physics.class-ph], [SPI.MECA.GEME]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanical engineering [physics.class-ph]
Abstract

This paper presents high-temperature tensile testing. This method is used to characterize the mechanical behaviour of a high-carbon steel C68 at temperatures up to 720°C. Samples are heated by an induction system controlled with a pyrometer. A high-speed camera (500 fps) is used to determine the displacement field with a digital image correlation software. For such tests a specific marking procedure of the sample is applied. Stress-strain curves are given from room temperature up to 720°C at strain rates ranging from 10-3/s to 10-1/s. Elastic parameters of the material are measured at room temperature using cyclic tests. Bridgman’s method is used to determine the equivalent stress-plastic strain curve during the necking phase. Copyright (c) 2012 Technische Mechanik. Wissenschaftliche Zeitschrift für Grundlagen und Anwendungen der Technischen Mechanik Creative-Commons-Lizenz Dieses Werk steht unter der Lizenz Creative Commons Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International.

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