Displacement and strain field assessment of PDMS using digital image correlation

• Author(s): Mendonça, B. ; Ribeiro, J.E. ; Lopes, H. ; Martins, P. ; Vaz, M. ; Gomes, S.
• Date: 2013
• Persistent ID: http://hdl.handle.net/10198/9839
• Origin: Biblioteca Digital do IPB
• Subject(s): Polydimethylsiloxane; Hyper-elastic; Digital image correlation; Finite element method
• Document Type: Conference Object
• Language: English

Description

The main goal of this work is to characterize the hyper-elastic mechanical behaviour of PDMS. For that, were made-up special specimens of PDMS (Sylgard® 184) for test them in bi-axial tensile machine. During the tensile test was used a commercial digital image correlation system (ARAMIS of GOM) to obtain de displacement and strain fields. These measurements are compared with numerical simulations which uses the more popular algorithms of constitutive models.