Structural, mechanical and tribological investigations of sputter deposited CrN–WS2 nanocomposite solid lubricant coatings
IR@NAL: CSIR-National Aerospace Laboratories, Bangalore
View Archive Info| Field | Value | |
| Title |
Structural, mechanical and tribological investigations of sputter deposited CrN–WS2 nanocomposite solid lubricant coatings
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| Creator |
Deepthi, B
Barshilia, Harish C Rajam, KS Manohar, S Konchady Devdas, M Pai Jagannathan, Sankar |
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| Subject |
Chemistry and Materials (General)
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| Description |
Nanocomposite coatings of CrN–WS2 were prepared at different Cr contents (approximately 8–39 at%)using an unbalanced magnetron sputtering system. Structural changes in CrN–WS2 coatings with variation in Cr content were studied using X-ray diffraction. CrN–WS2 coatings displayed a dense, compact microstructure with reduced columnar growth in the field emission scanning electron
microscopy data. Nanoindentation and nanoscratch data showed that CrN–WS2 coatings exhibited improved mechanical and adhesive properties, respectively. Micro-tribometer tests at a load of 2 N indicated that CrN–WS2 coatings prepared at 31 at% Cr exhibited a stable friction coefficient of 0.20–0.24 even after 8 h.
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| Publisher |
Elsevier
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| Date |
2011
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| Type |
Journal Article
PeerReviewed |
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| Identifier |
Deepthi, B and Barshilia, Harish C and Rajam, KS and Manohar, S Konchady and Devdas, M Pai and Jagannathan, Sankar (2011) Structural, mechanical and tribological investigations of sputter deposited CrN–WS2 nanocomposite solid lubricant coatings. Tribology International, 44 . pp. 1844-1851.
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| Relation |
http://nal-ir.nal.res.in/10026/
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