PSI - Issue 75

Ninian Sing Kok Ho et al. / Procedia Structural Integrity 75 (2025) 35–42 Ninian Sing Kok Ho/ Structural Integrity Procedia (2025)

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Figure 4: a) X-ray CT reconstruction of a precision grinded sample gauge region, b) the same reconstruction showing internal defects, with subsurface defects beneath the support structure surface still present shown in the magnified view, c) top surface of the hourglass gauge section facing the laser beam during fabrication showing the central smooth region and the rougher surfaces on the left and right, d) the precision grinded surface from which support structures were removed.