Physical and mechanical properties investigation of oxide coatings on titanium

Abstract

This paper studies the impact of rapidly flowing impulse effect of electrolytic plasma oxidation on physical and mechanical specifications of oxide coatings through the surface modification of VT1-0 titanium alloy. The present mode allows obtaining dense coatings with high mechanical properties. The electrolytic plasma oxidation process implementation leads to micro arc-discharge emergency in a short period through the small duration values of 250 µs anodic impulse. The achieved oxide coatings have high wearing features. Frictional testing resulted in wearing features increase in 4-15 times comparing to the sample off coating at to15 µm oxide layer thickness. Friction coefficient curves of oxide coating samples have shown no destruction of the coating to the bottom. A run-in area is recognized on the curves; sliding surfaces adapt to each other and pass to the stable friction regime. The later leads to the friction coefficient reduce and wear intensity reduction.

Microstructure and tribological study of TiAlCN and TiTaCN coatings

“…Hard protective coatings greatly contribute to increasing wear resistance and increasing the service life of components and machine structures that are constantly subjected to mechanical and chemical degradation due to wear processes [ [1], [2], [3]]. The use of hard protective coatings such as TiC [4], TiN [5], TiCN [6], TiAlN [7], TiSiC [8], thin multi-layer coatings [9], diamond-like films [ [10], [11]], and others are a suitable way to protect machine parts or tools from environmental hazards and wear.…”

Effect of Magnetron Sputtering Deposition Conditions on the Mechanical and Tribological Properties of Wear-Resistant Titanium Carbonitride Coatings

“…Hard protective coatings greatly contribute to the increase in wear resistance and corrosion resistance of metals/metal alloys [1][2][3]. Currently, the titanium carbonitride (TiCN) is of high relevance to create wear-resistant protective coatings with the purpose of ensuring the maximum wear resistance and service life of friction unit parts.…”

Comparative Study of Tribological and Corrosion Characteristics of TiCN, TiCrCN, and TiZrCN Coatings

“…Some machine components and structures are constantly subject to mechanical and chemical degradation due to wear and corrosion processes. Hard protective coatings greatly contribute to the wear and corrosion resistance of metals/metal alloys [1][2][3][4][5]. The use of hard protective coatings such as TiC [6], TiN [7], TiCN [8], TiAlN [9], TiSiC [10], Al 2 O 3 [11], ZrTiCN [12], diamond-like films [13,14], and others is a suitable way to protect machine parts or tools from the harmful effects of the environment and wear.…”