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In this work, we were able to improve existing residual stress measurement capabilities so that we could measure smaller length scales. We were able to measure residual stresses that oscillated from build layer to build layer (0.5 mm thick) in an additively manufactured part. The oscillations persisted over nearly 30 layers!
The paper is free until April 20, 2019 at https://authors.elsevier.com/c/1YekJ4r9SUFESl