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Use of 3-D Digital Image Correlation to characterize the mechanical behavior of a Fiber Reinforced Refractory Castable

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Academic year: 2021

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Figure

Figure 1: Region of interest (ROI) in dashed line for the bending test specimen (left) and for the tensile test specimen (right)
Figure 2: Experimental speckle-pattern image obtained by projection of black paint drops on a white background on the bending test castable specimen, and its associated grey level distribution (300 × 100 pixels sub-image, extracted from the entire ROI of t
Figure 3: Autocorrelation function: definition of the height h used for computing the auto- auto-correlation radius D/2.
Figure 4: Plot of the displacement standard deviation between measured and prescribed dis- dis-placements versus the subset size, for ten distinct speckle-pattern sizes.
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