Assessment of triaxial residual stress distributions after local repair of components by means of cold gas spraying
We aim at extending cold gas spraying to the repair of near-surface damaged components, made of Inconel 718. In this regard the objective is to create a fundamental understanding of local repair by cold gas spraying with regard to coating quality, local microstructure and the formation of residual stress distributions at the repair site. Here, we intend to carry out neutron stress mapping at SALSA for three different substitute geometries, which are relevant to practice and in which the local induction of residual stresses and their change in the course of a global static or a local cyclical thermal stress can have a significant effect. These are an L-structure with the repair site at the outer radius and a T-structure with the repair site at the inner radius. A sufficiently stiff, flat plate serves as a reference condition.
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GIBMEIER Jens; CABEZA Sandra; LANG Florian and PIRLING Thilo. (2021). Assessment of triaxial residual stress distributions after local repair of components by means of cold gas spraying. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-02-345
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