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Impact of internal oxidation and quenching path on fatigue of powertrain components
RISE - Research Institutes of Sweden, Swerea, Swerea IVF, Tillverkningsprocesser.ORCID iD: 0000-0003-1677-1064
RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
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2015 (English)In: ASM International - 28th Heat Treating Society Conference, HEAT TREATING 2015, p. 498-503Article in journal (Refereed) Published
Abstract [en]

Atmospheric case hardening of powertrain components may cause internal oxidation and thus reduce hardenability at the surface zone. This may affect the fatigue strength, which restricts the maximum cyclic load on steel components and hence is a major impediment for powertrain development and design. Here we have investigated the effect of furnace gas atmosphere composition and quenching path on fatigue properties of powertrain components. The results show that the detrimental effect of internal oxidation on fatigue may be compensated for by altering of the furnace atmosphere. Moreover, it is shown that the quenching path below the martensite start temperature also has an impact on the fatigue properties. These experiments were done in a full-scale industrial furnace on steel bars in l6MnCr5 and 2ONiMo9-7F. 

Place, publisher, year, edition, pages
ASM International , 2015. p. 498-503
Keywords [en]
Case hardening, Fatigue of materials, Heat treating furnaces, Heat treatment, Oxidation, Powertrains, Quenching, Fatigue properties, Fatigue strength, Furnace atmosphere, Gas atmosphere, Hardenability, Martensite start temperature, Powertrain components, Steel components, Internal oxidation
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:ri:diva-30346Scopus ID: 2-s2.0-84965098652OAI: oai:DiVA.org:ri-30346DiVA, id: diva2:1134533
Conference
Conference of 28th Heat Treating Society Conference, HEAT TREATING 2015 ; Conference Date: 20 October 2015 Through 22 October 2015; Conference Code:119732
Available from: 2017-08-21 Created: 2017-08-21 Last updated: 2018-03-08Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • 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
  • rtf
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