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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Hoop and axial residual stress distribution for Case3 and Case6 at the 90° and 270° sections: (a) Outer surface of the 90° section, (b) inner surface of the 90° section, (c) outer surface of the 270° section, (d) inner surface of the 270° section.