Dynamic Recrystallization of Spheroidal Graphite Iron during Hot Cutting Operations

The objective of the present paper is to analyse the dynamic recrystallization process occurring during the hot cutting of spheroidal graphite iron. In the first instance, hot cutting tests are performed with an orthogonal cutting test bench. The emergence of dynamic recrystallization is highlighted...

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Bibliographic Details
Published in:Key Engineering Materials 2015, Vol.651-653, p.1235-1240
Main Authors: Watremez, Michel, Le Mercier, Kevin, Dubar, Laurent, Fouilland-Paillé, Laurence
Format: Article
Language:English
Subjects:
Cutting
Dynamic recrystallization
Hot cutting
Iron
Mathematical analysis
Mathematical models
Microstructure
Nodular graphitic structure
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Summary:The objective of the present paper is to analyse the dynamic recrystallization process occurring during the hot cutting of spheroidal graphite iron. In the first instance, hot cutting tests are performed with an orthogonal cutting test bench. The emergence of dynamic recrystallization is highlighted thanks to microstructural observations. Then, a finite element model of the hot cutting operation is introduced. The material behaviour is modelled with a specific constitutive model considering the influence of dynamic recrystallization on the plastic flow stress. Finally, the predictive response of this model is compared to the experimental observations.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.651-653.1235