Anti-Fretting Wear Coating for Substrates

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Description

Patent relating to an anti-fretting wear coating for substrates.

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12 p. : ill.

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Scharf, Thomas W.; Mohseni, Hamidreza & Tiley, Jaimie S. May 23, 2013.

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This patent is part of the collection entitled: UNT Scholarly Works and was provided by the UNT College of Engineering to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 439 times. More information about this patent can be viewed below.

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Description

Patent relating to an anti-fretting wear coating for substrates.

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12 p. : ill.

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Abstract: A method and chemical composition and material structure for improving fretting wear in substrates, particularly carbon-carbon composite (CCC). The invention relates to trilayer coatings, comprising a base of hard ZrO2, a middle layer of Al2O3, and atop layer of lubricious ZnO. The coatings of the present invention exhibit conformality and pore-filling down to approximately 100 microns into a carbon-carbon composite to which they are applied. The methods for preparing the coatings include a chemical vapor infiltration route, such as an atomic layer deposition (ALD) process, to uniformly and conformally coat the porous and open structure of CCC with a solid lubricant trilayer of ZnO/Al2O3/ZrO2 that results in significant improvement (65%) in fretting wear.

Related U.S. Application Data: Provisional application number 61/488583, filed on May 20, 2011.

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  • Patent Number: US2013/0130014A1
  • Government Documents No.: 13/475616
  • Archival Resource Key: ark:/67531/metadc330319

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UNT Scholarly Works

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  • May 18, 2012

Accepted Date

  • May 23, 2013

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  • May 23, 2013

Added to The UNT Digital Library

  • Aug. 8, 2014, 6:44 a.m.

Description Last Updated

  • Oct. 24, 2023, 1:03 p.m.

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Scharf, Thomas W.; Mohseni, Hamidreza & Tiley, Jaimie S. Anti-Fretting Wear Coating for Substrates, patent, May 23, 2013; [Washington D.C.]. (https://digital.library.unt.edu/ark:/67531/metadc330319/: accessed May 23, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Engineering.

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