On the calibration of elastoplastic parameters at the microscale via X-ray microtomography and digital volume correlation for the simulation of ductile damage

An identification framework is introduced herein to calibrate material parameters at the microscale in order to analyze ductile damage. It is applied to study a dog-bone sample, which is made of spheroidal graphite cast iron, loaded in tension and imaged via in situ microtomography. The region of in...

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Veröffentlicht in:	European journal of mechanics, A, Solids A, Solids, 2018-11, Vol.72, p.287-297
Hauptverfasser:	Buljac, Ante, Trejo Navas, Victor-Manuel, Shakoor, Modesar, Bouterf, Amine, Neggers, Jan, Bernacki, Marc, Bouchard, Pierre-Olivier, Morgeneyer, Thilo F., Hild, François
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundary conditions Calibration Cast iron Computer simulation Correlation analysis Damage detection Digital volume correlation Dirichlet problem Ductile fracture Ductility Elastoplastic material Elastoplasticity Finite element analysis Finite element method In situ test Mechanics Mechanics of materials Microstructure Microstructure calculation Nodular graphitic structure Parameter identification Physics X ray microtomography
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