Preprint Article Version 1 This version is not peer-reviewed

Study of the Nature of Destruction of Coatings Based on the ZrN System Deposited on a Titanium Alloy Substrate

Version 1 : Received: 23 July 2024 / Approved: 23 July 2024 / Online: 25 July 2024 (12:55:16 CEST)

How to cite: Metel, A.; Vereschaka, A.; Sotova, C.; Sitnikov, N.; Makarevich, K.; Grigoriev, S. Study of the Nature of Destruction of Coatings Based on the ZrN System Deposited on a Titanium Alloy Substrate. Preprints 2024, 2024071880. https://doi.org/10.20944/preprints202407.1880.v1 Metel, A.; Vereschaka, A.; Sotova, C.; Sitnikov, N.; Makarevich, K.; Grigoriev, S. Study of the Nature of Destruction of Coatings Based on the ZrN System Deposited on a Titanium Alloy Substrate. Preprints 2024, 2024071880. https://doi.org/10.20944/preprints202407.1880.v1

Abstract

The fracture strength was compared in a scratch test of coatings based on the ZrN system with the introduction of Ti, Nb and Hf, which were deposited on a titanium alloy substrate. The coatings were deposited using Controlled Accelerated Arc (CAA-PVD) technology. The comparison was carried out according to two parameters: adhesion strength to the substrate and overall coating strength. The (Zr,Hf)N coating showed better resistance to destruction, but had worse adhesion to the substrate. As a result, although the coating is retained directly in the scribing groove, a large area of delamination and destruction is formed around the groove. The (Ti,Zr,Nb)N coating, with its somewhat lower strength, has high adhesion to the substrate; no noticeable delamination is observed along the groove boundary.

Keywords

titanium alloy; coatings; adhesion; wear; scratch test

Subject

Chemistry and Materials Science, Ceramics and Composites

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