Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
A Comparative Study of Tribological Behavior of Plasma and D-Gun Sprayed Coatings under Different Wear Modes
1998 (English)In: Journal of Materials Engineering and Performance, Vol. 7, no 3, p. 343-351Article in journal (Refereed) Published
Abstract [en]

In recent years, thermal sprayed protective coatings have gained widespread acceptance for a variety of industrial applications. A vast majority of these applications involve the use of thermal sprayed coatings to combat wear. While plasma spraying is the most versatile variant of all the thermal spray processes, the detonation gun (D-gun) coatings have been a novelty until recently because of their proprietary nature. The present study is aimed at comparing the tribological behavior of coatings deposited using the two above techniques by focusing on some popular coating materials that are widely adopted for wear resistant applications, namely, WC-12%Co, Al2O3, and Cr3C2-NiCr. To enable a comprehensive comparison of the above indicated thermal spray techniques as well as coating materials, the deposited coatings were extensively characterized employing microstructural evaluation, microhardness measurements, and XRD analysis for phase constitution. The behavior of these coatings under different wear modes was also evaluated by determining their tribological performance when subjected to solid particle erosion tests, rubber wheel sand abrasion tests, and pin-on-disk sliding wear tests. The results from the above tests are discussed here. It is evident that the D-gun sprayed coatings consistently exhibit denser microstructures and higher hardness values than their plasma sprayed counterparts. The D-gun coatings are also found to unfailingly exhibit superior tribological performance superior to the corresponding plasma sprayed coatings in all wear tests. Among all the coating materials studied, D-gun sprayed WC-12%Co, in general, yields the best performance under different modes of wear, whereas plasma sprayed Al2O3 shows least wear resistance to every wear mode.

Place, publisher, year, edition, pages
1998. Vol. 7, no 3, p. 343-351
Keywords [en]
Abrasion, Alumina coating, Chromium carbide-nickel chromium coating, Coatings, D-gun coatings, Erosion, Plasma spray coatings, Sliding wear, Tribology, Tungsten carbide-cobalt coating, Alumina, Carbides, Hardness, Mechanical properties, Microscopic examination, Microstructure, Plasma spraying, Wear resistance, D-gun spraying, Sprayed coatings
Identifiers
URN: urn:nbn:se:hv:diva-8527ISBN: 10599495 (ISSN) (print)OAI: oai:DiVA.org:hv-8527DiVA, id: diva2:859849
Available from: 2015-10-08 Created: 2015-10-08 Last updated: 2015-10-08Bibliographically approved

Open Access in DiVA

No full text in DiVA

Authority records

Joshi, S. V.

Search in DiVA

By author/editor
Joshi, S. V.

Search outside of DiVA

GoogleGoogle Scholar

isbn
urn-nbn

Altmetric score

isbn
urn-nbn
Total: 192 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf