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Galling resistance evaluation of tool steels by two different laboratory test methods for sheet metal forming
Karlstads Universitet.
Dalarna University, School of Technology and Business Studies, Materials Technology.
Karlstads Universitet.
Karlstads Universitet.
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2012 (English)In: Lubrication Science, ISSN 0954-0075, E-ISSN 1557-6833, Vol. 24, no 6, 263-272 p.Article in journal (Refereed) Published
Abstract [en]

Adhesive accumulation of work material on the tool surface is today a major problem in many sheet metal-forming applications. Different laboratory test methods are used to investigate galling with respect to different tool materials, lubricants and process conditions. In the present study, the galling resistance of a modern nitrogen-alloyed powder metallurgy tool steel and an conventional ingot cast D2 type tool steel was evaluated under lubricated sliding against ferritic stainless steel sheets using a commercial pin-on-disc (POD) and an in-house made slider-on-flat-surface (SOFS) tribotester. The investigated tool steels ranked similarly in terms of galling resistanc in both test methods. However, sliding distances to galling were longer for the SOFS equipment due to continuous sliding on new lubricated sheet surface. Best performance was demonstrated by the powder metallurgy tool steel treated to 65?HRC. Differences in friction behaviour and galling initiation were analysed on the basis of the two different working conditions, i.e. open (SOFS) and closed (POD) tribosystems. Copyright (c) 2012 John Wiley & Sons, Ltd.

Place, publisher, year, edition, pages
2012. Vol. 24, no 6, 263-272 p.
Keyword [en]
slider-on-flat-surface;pin-on-disc;sheet metal forming;galling;stainless steel
National Category
Materials Engineering
Research subject
Stålformning och ytteknik
Identifiers
URN: urn:nbn:se:du-11326DOI: 10.1002/ls.1180ISI: 000308637600002OAI: oai:DiVA.org:du-11326DiVA: diva2:574287
Available from: 2012-12-05 Created: 2012-11-28 Last updated: 2015-06-23Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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