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. 2021 May 10;3(6):620. doi: 10.1007/s42452-021-04608-2

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© The Author(s) 2021

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Fig. 2 — Examples of cross-sections of cracked welds using the a selected and b arbitrary cutting plane methods, with increased magnification images of the weld shoulder from cross-sections c using the selected and d arbitrary cutting planes. Examples of how crack depth was measured may be seen on inset (c)