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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/).
Back scattered electron micrograph of WC-Co/NiCrBSi wear scars after POD test (a); micro-ploughing–abrasive grooves (1), tribo-oxidation–migration of debris (b) along the surface (2), and EDX (c) spectra of debris agglomeration.