Abstract
Residual stresses play a decisive role in stress analyses, as they can exert positive or negative influence on the durability of parts. A widely-used method to measure residual stresses experimentally is the hole drilling method. With this method, however, only near-surface residual stresses can be determined. This disadvantage is to be eliminated by the newly developed method of staggered machining. The underlying procedure is described in this paper. In addition, a manufacturing process for production fine speckle patterns, which are required for the Digital Image Correlation (DIC) is explained. The principle of staggered machining is shown by means of preliminary tests and their evaluation.
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