Topic
Digital image correlation
About: Digital image correlation is a research topic. Over the lifetime, 7842 publications have been published within this topic receiving 132166 citations.
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TL;DR: In this article, a combined experimental and finite element (FE) investigation on the strain/stress distributions around the overlap ends of laminated composite single-lap joints is presented, and a three-dimensional geometrically nonlinear FE model based on the submodel technique is developed to predict the deformation of single lap joints.
43 citations
TL;DR: In this article, the authors established a Digital Image Correlation (DIC) base for the analysis of cast component microstructure and mechanical behavior of cast components, and established a DIC base for image correlation.
43 citations
TL;DR: In this article, an experimental investigation of full-field displacement in single lap adhesive joint was performed using the digital image correlation (DIC) method, which consists of an optical-numerical experimental approach developed for full field and non-contact measurements.
43 citations
TL;DR: In this article, the mechanics of a twill-weave carbon fiber reinforced epoxy lamina during in-plane tensile loading is experimentally investigated and correlated to computational model prediction.
Abstract: The mechanics of a twill-weave carbon fiber reinforced epoxy lamina during in-plane tensile loading is experimentally investigated and correlated to computational model prediction. The digital image correlation technique gives the experimental strain distribution at the mesoscopic level. Theoretical strain distributions in the weave architecture are obtained by finite element modeling of the representative volume. The homogenized response is also discussed.
43 citations
TL;DR: In this paper, the deformation behavior of polyethylene terephthalate (PET) and polyylene naphthalate (PEN) films used as substrates in magnetic tapes was studied by atomic force microscopy (AFM) and digital image correlation (DIC) techniques.
Abstract: The local, nanoscale deformation behavior of ultrathin polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) films used as substrates in magnetic tapes was studied by atomic force microscopy (AFM) and digital image correlation (DIC) techniques. A custom-designed tensile stage was integrated with the AFM to perform uniaxial tension tests on the polymeric films in situ where the film surfaces were imaged simultaneously by AFM. The surface features on the PET and PEN films were used as reference patterns for the DIC processing. To improve the accuracy of the AFM imaging system for the application of the DIC method, a simple, cost-effective experimental procedure was established. Axial and transverse strain fields and Poisson's ratio maps with a spatial resolution of 78.13 nm were constructed via processing the AFM images of unstretched and stretched samples with the DIC software. Results from the AFM studies indicate that the deformation in both PET and PEN is nonuniform at the nanoscale. The nanoscale deformation mechanisms are discussed in conjunction with the structure of the PET and PEN films
43 citations