Thermo-Mechanical Behaviour of Spheroidal Graphite Iron

The main objective of this paper is to identify the thermo-mechanical behaviour of the spheroidal graphite (SG) iron EN-GJS-700. In the first instance, compression tests are carried out using Gleeble 3500 system enabling a precise control on testing temperature and strain rate. The effects of these...

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Bibliographic Details
Published in:Key engineering materials 2014-05, Vol.611-612, p.1250-1257
Main Authors: Watremez, Michel, Fouilland, Laurence, Guérin, Jean Dominique, Le Mercier, Kevin, Dubar, Laurent
Format: Article
Language:English
Subjects:
Compression tests
Control systems
Dynamic recrystallization
Dynamical systems
Engineering Sciences
Iron
Mechanics
Nodular graphitic structure
Shear tests
Strain rate
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Summary:The main objective of this paper is to identify the thermo-mechanical behaviour of the spheroidal graphite (SG) iron EN-GJS-700. In the first instance, compression tests are carried out using Gleeble 3500 system enabling a precise control on testing temperature and strain rate. The effects of these testing parameters on the SG iron behaviour are studied. Through this, the occurrence of dynamic recrystallization phenomenon is highlighted. Specific rheological models based on metallurgy are introduced. Finally, shear tests on hat shaped specimens are performed to reach higher strain rates.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.611-612.1250