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Deep-Cryogenic Treatment and Effect of Austenizing Temperature on Tribological Performance of P/M High-Speed Steel

[+] Author Affiliations
B. Podgornik, J. Vižintin

University of Ljubljana, Ljubljana, Slovenia

V. Leskovšek

Institute of Metals and Technology, Ljubljana, Slovenia

Paper No. ESDA2008-59385, pp. 509-512; 4 pages
doi:10.1115/ESDA2008-59385
From:
  • ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 3: Design; Tribology; Education
  • Haifa, Israel, July 7–9, 2008
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4837-1 | eISBN: 0-7918-3827-7
  • Copyright © 2008 by ASME

abstract

The aim of our work was to investigate the influence of deep-cryogenic treatment parameters (treatment time and temperature) and austenizing temperature on the tribological performance of powder-metallurgy (P/M) high-speed steel. Special emphasis was put on abrasive wear resistance and resistance to galling under dry sliding conditions. Abrasive wear resistance was tested under reciprocating sliding conditions using alumina ball, while galling resistance against austenitic stainless steel was determined in a load-scanning test rig. Tribological test were evaluated in terms of high-speed steel wear volume, coefficient of friction under reciprocating sliding, friction variation with load, and critical load for galling initiation and stainless steel transfer layer formation.

Copyright © 2008 by ASME

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