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Mechanical Characterization of Bearing Steels
2014 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A confidential agreement was made so this work will just be presented in a general way without any confidential details.Steels used for high performing bearing applications are high alloy steels, heat treated in order to obtain a martensitic structure which supplies high hardness which is needed in order to obtain a high rolling fatigue resistance. The title of this master thesis is mechanical characterization of bearing steels because the work included several different methods of characterizing for steels meant for real life bearing applications. The work was divided into two different main tasks:The first task about microyield will not be presented at all in this report due to confidentiality reasons.In the second task are different heat treatments analyzed for a bearing steel because after the heat treatment is retained austenite present in the alloy. This can both be an advantage such as life improvement or a drawback such as dimensional instability. Depending on the wanted application for the bearing in order to properly size the bearings, it is necessary to know what the material contains in its design phase. Heat treatments in terms of retained austenite now days are engineered and analyzed due to today’s more demanding conditions for bearing applications.

Place, publisher, year, edition, pages
2014.
Keyword [en]
Technology
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-53510Local ID: a85d153f-e549-4eda-8d87-f0ba89149672OAI: oai:DiVA.org:ltu-53510DiVA: diva2:1026884
Subject / course
Student thesis, at least 30 credits
Educational program
Materials Engineering, master's level
Examiners
Note
Validerat; 20141112 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • 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