INTEMA   05428
INSTITUTO DE INVESTIGACIONES EN CIENCIA Y TECNOLOGIA DE MATERIALES
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Mechanical response of elastomeric polymers: experimental characterization and FEM simulations
Autor/es:
RULL, NAHUEL; TORRES, J. PABLO; MACHADO, MARTIN; FASCE, LAURA; FRONTINI, P.M.
Lugar:
Santa Fe
Reunión:
Congreso; Congreso Internacional de Metalurgia y Materiales SAM-CONAMET / IBEROMAT 2014; 2014
Institución organizadora:
SAM/CONAMET
Resumen:
In the past decades, there has been a continuously growing presence of thermoplastic polymers in highly demanding engineering applications in the aeronautic, automotive, electronics and biomedical fields. In addition, there is a special interest in accurately predicting how such polymeric components will perform under specific loading conditions in service. The objective of this work is to develop an overall experimental characterization programme and a FEM modeling routine that will allow for the accurate prediction of NBR (70) response under stress-strain conditions. Tensile (uniaxial) tests and Blow-Up tests were carried out together with optical 3D strain measurements and digital correlation image (DIC) processing. The experimental data was used for the calibration on an advanced 3D constitutive model using an inverse method calibration technique. The model prediction capability was then validated performing biaxial ?Blow-Up? tests and contrasting the experimental results with finite element simulation predictions.