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(A) A model of the SEVNB process indicates the required geometry for the V-notch: S0 = 20 mm, W = 4 mm, and B = 3 mm; and the load is applied from the center of the bar. (B) A stereo microscope image shows the notched specimen before fracture, and (C) a stereo microscope image shows the same specimen after reached the fracture load.
