Issue 69

S. Eleonsky et alii, Frattura ed Integrità Strutturale, 69 (2024) 192-209; DOI: 10.3221/IGF-ESIS.69.14

Residual stress determination by blind hole drilling and local displacement mapping in aluminium alloy aerospace components

Sviatoslav Eleonsky, Vladimir Pisarev The Zhukovsky Central Aero-Hydrodynamics Institute (TsAGI), 140180 Zhukovsky, Moscow Region, Russia

juzzepka@mail.ru, https://orcid.org/0000-0003-4345-067X VSP5335@mail.ru, https://orcid.org/0000-0002-5378-609X Eugene S. Statnik, Alexey I. Salimon HSM lab, Center for Digital Engineering, Skoltech, 121205 Moscow, Russia eugene.statnik@skoltech.ru, https://orcid.org/0000-0002-1105-9206 a.salimon@skoltech.ru, https://orcid.org/0000-0002-9048-8083 Alexander M. Korsunsky Independent researcher alexander.korsunsky@gmail.com, https://orcid.org/0000-0002-3558-5198

Citation: Eleonsky, S., Pisarev, V., Statnik, E. S., Salimon, A. I., Korsunsky, A., M., TResidual stress determination by blind hole drilling and local displacement mapping in aluminium alloy aerospace components, Frattura ed Integrità Strutturale, 69 (2024) 192-209.

Received: 02.04.2024 Accepted: 18.05.2024 Published: 25.05.2024 Issue: 07.2024

Copyright: © 2024 This is an open access article under the terms of the CC-BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

K EYWORDS . Residual stress, Blind hole drilling method, Speckle-pattern interferometry, Well-posed inverse correlation problem

I NTRODUCTION esidual stress significantly impacts the mechanical performance of structural materials, including plastic deformation, surface integrity crack initiation, and ultimate strength. For instance, the presence of tensile residual stress can reduce the material performance and component life, whereas residual compressive stress may enhance material fatigue strength. Despite being “hidden” in the absence of external loads, residual stresses play a crucial role in the R

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