Multi-layer coating design architecture for optimum particulate erosion resistance

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The hard particle, erosion resistance of multi-layer, magnetron-sputtered, physical vapor deposited (PVD), titanium nitride/titanium (TiN/Ti) coatings for protection of AM355 steel turbine components was investigated. Multi-layer coatings, of 25μm total thickness, were deposited on AM355 substrates with variable numbers and thicknesses (equivalent to volume fractions) of the TiN and Ti layers. The coatings were eroded using glass beads, quartz and alumina media with particle velocities ranging from 75 to 180. m/s. Erosion performance was found to depend strongly on the TiN/Ti PVD coating multi-layer design architecture and the erosion conditions. The results showed that coatings with two layers, one of TiN, and a low volume fraction of metal gave optimal erosion performance against the alumina erodent, whereas coatings with 32 layers, (16 each of TiN and Ti), offered the best erosion performance against the glass beads. These results explain the variability of coating erosion performance described in the literature, and provide guidance in the design of optimal multi-layer coating systems for a range of particle erosion conditions.

Original languageEnglish (US)
Pages (from-to)2782-2792
Number of pages11
JournalWear
Volume271
Issue number11-12
DOIs
StatePublished - Sep 2 2011

Fingerprint

particulates
erosion
Erosion
coatings
Coatings
titanium nitrides
Titanium nitride
Aluminum Oxide
beads
Titanium
aluminum oxides
titanium
Volume fraction
vapors
Alumina
Vapors
glass
Turbine components
Glass
Quartz

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

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title = "Multi-layer coating design architecture for optimum particulate erosion resistance",
abstract = "The hard particle, erosion resistance of multi-layer, magnetron-sputtered, physical vapor deposited (PVD), titanium nitride/titanium (TiN/Ti) coatings for protection of AM355 steel turbine components was investigated. Multi-layer coatings, of 25μm total thickness, were deposited on AM355 substrates with variable numbers and thicknesses (equivalent to volume fractions) of the TiN and Ti layers. The coatings were eroded using glass beads, quartz and alumina media with particle velocities ranging from 75 to 180. m/s. Erosion performance was found to depend strongly on the TiN/Ti PVD coating multi-layer design architecture and the erosion conditions. The results showed that coatings with two layers, one of TiN, and a low volume fraction of metal gave optimal erosion performance against the alumina erodent, whereas coatings with 32 layers, (16 each of TiN and Ti), offered the best erosion performance against the glass beads. These results explain the variability of coating erosion performance described in the literature, and provide guidance in the design of optimal multi-layer coating systems for a range of particle erosion conditions.",
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Multi-layer coating design architecture for optimum particulate erosion resistance. / Borawski, Brian; Singh, Jogender; Todd Copley, Judith; Wolfe, Douglas Edward.

In: Wear, Vol. 271, No. 11-12, 02.09.2011, p. 2782-2792.

Research output: Contribution to journalArticle

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AU - Borawski, Brian

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