Investigation of crack growth in functionally graded materials using digital image correlation

By J. Abanto-Bueno, John Lambros. 2002

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Assessment of Digital Image Correlation Measurement Errors: Methodology and Results (2009, methodology): “Digital image correlation (DIC) has shown over twenty years to be a very valuable tool for fullfield displacement measurements [9–28].”
Stress intensity factor measurements from digital image correlation: post-processing and integrated approaches (2006, methodology): “Digital image correlation has already been utilized to analyze cracks in homogeneous and heterogeneous materials [5, 6].”
Digital image correlation and fracture: an advanced technique for estimating stress intensity factors of 2D and 3D cracks (2009, background): “Fracture mechanics has benefited from DIC results [23, 24].”
Quality assessment of speckle patterns for digital image correlation (2006, methodology): “The same procedure is used in different studies in the case of actual experiments [14-19].”
Identification of a crack propagation law by digital image correlation (2012, unknown): “The displacement field is subsequently post-processed (via least squares fit) by using reference fields, namely, Williams’ series relevant for small scale yielding when the latter region is excluded from the analysis, by resorting to a least squares technique [1, 21, 22, 5].”