Journal
WEAR
Volume 280, Issue -, Pages 22-27Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2012.01.013
Keywords
PVD coatings; Sliding wear; Surface analysis; Wear testing
Funding
- PMG
- Metallurgy and Materials Group
- IGCAR
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Tribological behaviour of ZrN coatings deposited on titanium modified austenitic stainless steel (alloy D-9) substrates is investigated. The coatings were deposited in the deposition temperature range 300-873 K using the pulsed magnetron sputtering technique. A comparative tribological study was performed with steel and ceramic balls such as alumina and silicon nitride to evaluate frictional properties of the coatings. ZrN coatings prepared at higher deposition temperature show lower value of coefficient of friction (COF) and the COF is found to be the lowest with the steel ball. The variation in the COF obtained with the steel and ceramic balls is further discussed in relation with morphology and elemental distribution in the wear tracks of the ZrN coatings. (c) 2012 Elsevier B.V. All rights reserved.
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