Srivastava, Meenu and William Grips, VK and Rajam, KS (2009) Influence of Co on Si3N4 incorporation in electrodeposited Ni. Journal of Alloys and Compounds, 469 . pp. 362-365. ISSN 0925-8388
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Abstract
Electrocomposites are known to have improved hardness and wear resistance. Si3N4 possesses good wear resistance and low friction. However, its incorporation is observed to be poor in a Ni matrix. In the present study the influence of an inorganic additive Cobalt, on the incorporation of Si3N4 particles in a Ni matrix has been investigated. The composites with cobalt contents varying from 14wt.% –100wt.% were electrodeposited from sulphamate electrolyte. The coatings were characterized using optical, scanning electron microscope and X-ray diffraction studies. The extent of Si3N4 incorporation was correlated with the cobalt content. The structure, surface morphology and the microhardness of the composites were studied and a correlation between the particle content, cobalt content, and structure was attempted.
| Item Type: | Journal Article |
|---|---|
| Uncontrolled Keywords: | Ceramic; Coating material; Metal matrix composites; Metals and alloys, Microstructure |
| Subjects: | CHEMISTRY AND MATERIALS > Composite Materials |
| Division/Department: | Surface Engineering Division, Surface Engineering Division, Surface Engineering Division |
| Depositing User: | Meenu Srivastava Meenu |
| Date Deposited: | 09 Aug 2010 09:44 |
| Last Modified: | 09 Aug 2010 09:44 |
| URI: | http://nal-ir.nal.res.in/id/eprint/8906 |
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