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Solid Lubricant Nanoparticles as Wear-Reducing Additives in Sheet Metal Forming Fluids

[+] Author Affiliations
M. Mosleh, N. D. Atnafu

Howard University, Washington, DC

J. H. Belk

The Boeing Company, St. Louis, MO

Paper No. IJTC2009-15095, pp. 9-11; 3 pages
doi:10.1115/IJTC2009-15095
From:
  • ASME/STLE 2009 International Joint Tribology Conference
  • ASME/STLE 2009 International Joint Tribology Conference
  • Memphis, Tennessee, USA, October 19–21, 2009
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4895-1 | eISBN: 978-0-7918-3862-4
  • Copyright © 2009 by ASME

abstract

Dispersed nanoparticles of solid lubricants in sheet metal forming fluids are studied for enhanced lubrication that can lead to improved product surface quality and reduced tool wear. Molybdenum disulfide (MoS2 ) and hexagonal boron nitride (hBN) nanoparticles of varying size and concentrations have shown marked reduction in wear of steel counterfaces representing the tool and in scoring of titanium sheet surfaces. The most effective particle concentration and size ranges were 0.25–4% and 70–100 nm. The counterface wear was reduced by 50–75% while the friction coefficient only marginally improved.

Copyright © 2009 by ASME

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