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Volume changes in a filled elastomer studied via digital image correlation

Article dans une revue avec comité de lecture
Author
DE CREVOISIER, Jordan
1306 Laboratoire de Mécanique et Technologie [LMT]
BESNARD, Gilles
1306 Laboratoire de Mécanique et Technologie [LMT]
MERCKEL, Yannick
1252 Laboratoire de Mécanique de Lille - FRE 3723 [LML]
ZHANG, Huan
CAILLARD, Julien
172180 Centre de Technologie de Ladoux
VION-LOISEL, Fabien
172180 Centre de Technologie de Ladoux
BERGHEZAN, Daniel
172180 Centre de Technologie de Ladoux
CRETON, Costantino
DIANI, Julie
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
BRIEU, Mathias
1252 Laboratoire de Mécanique de Lille - FRE 3723 [LML]
HILD, François
1306 Laboratoire de Mécanique et Technologie [LMT]
ROUX, Stéphane
1306 Laboratoire de Mécanique et Technologie [LMT]

URI
http://hdl.handle.net/10985/6521
DOI
10.1016/j.polymertesting.2012.04.003
Date
2012

Abstract

Volumetric strains in a filled SBR specimen subjected to cyclic uniaxial tension with increasing extensions are studied. Digital image correlation is used to follow the kinematics of two orthogonal free faces. A volume expansion is observed past a critical elongation, which can be interpreted as the onset of cavitation. Under unloading, the volume returns to its original value and remains constant upon reloading. Increasing the elongation to higher values than the previous cycle leads again to a volumetric expansion.

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