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Ahangarani, Shahrokh
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Publications (4/4 displayed)
- 2019Effect of Ti interlayer on corrosion behavior of nanostructured Ti/TiN multilayer coating deposited on TiAl<sub>6</sub>V<sub>4</sub>citations
- 2012Effect of plasma CVD operating temperature on nanomechanical properties of TiC nanostructured coating investigated by atomic force microscopycitations
- 2012Effects of duty cycle on microstructure and corrosion behavior of TiC coatings prepared by DC pulsed plasma CVDcitations
- 2011Improved tribological properties of TiC with porous nanostructured TiO 2 intermediate layercitations
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article
Effect of plasma CVD operating temperature on nanomechanical properties of TiC nanostructured coating investigated by atomic force microscopy
Abstract
The structure, composition, and mechanical properties of nanostructured titanium carbide (TiC) coatings deposited on H <sub>11</sub> hot-working tool steel by pulsed-DC plasma assisted chemical vapor deposition at three different temperatures are investigated. Nanoindentation and nanoscratch tests are carried out by atomic force microscopy to determine the mechanical properties such as hardness, elastic modulus, surface roughness, and friction coefficient. The nanostructured TiC coatings prepared at 490°C exhibit lower friction coefficient (0.23) than the ones deposited at 470 and 510°C. Increasing the deposition temperature reduces the Young's modulus and hardness. The overall superior mechanical properties such as higher hardness and lower friction coefficient render the coatings deposited at 490°C suitable for wear resistant applications. © 2012 Elsevier Ltd.