High-Temperature Tribological Properties of Barite-Type-Sulfate-Coated Substrates with Different Isoelectric Points

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In the present study, Al2O3, (ZrO2-3mol% Y2O3)-39.6mass% Al2O3, Si3N4 and MgO substrates coated with SrSO4 particles were prepared, and their high-temperature tribological properties were investigated. It was clarified that SrSO4 worked as solid lubricant efficiently against Al2O3 and (ZrO2-3mol% Y2O3)-39.6mass% Al2O3 substrates in the temperature range of room temperature to 1073K in air. In addition, thin SrSO4 films were observed on the wear scars formed on the Al2O3 and (ZrO2-3mol% Y2O3)-39.6mass% Al2O3 substrates.

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Periodical:

Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran

Pages:

1200-1205

Citation:

T. Murakami et al., "High-Temperature Tribological Properties of Barite-Type-Sulfate-Coated Substrates with Different Isoelectric Points", Materials Science Forum, Vols. 539-543, pp. 1200-1205, 2007

Online since:

March 2007

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$38.00

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