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Fatigue failure analysis of a minitype straight bevel driven gear

  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In the presented paper, the failure mechanism of 12Cr2Ni4A minitype straight bevel gear was analyzed by means of both experimental characterizations and numerical simulation techniques. Fractography and simulation were conducted to find the failure mechanism. 3D finite element models (FEMs) of the driven gear with different structure parameters were constructed and used to simulate the inherent characteristic and stress field in the tooth root. Fractography indicated that teeth of the straight bevel driven gear failed because of high cycle fatigue (HCF). Simulation results showed no resonance but stress concentration in the tooth root. It was concluded that this failure occurred due to high cycle fatigue (HCF) and high stress concentration caused by small tooth root fillet radius.

Original languageEnglish
Title of host publicationManufacturing Science and Technology III
Pages605-610
Number of pages6
DOIs
StatePublished - 2013
Event2012 3rd International Conference on Manufacturing Science and Technology, ICMST 2012 - New Delhi, India
Duration: 18 Aug 201219 Aug 2012

Publication series

NameAdvanced Materials Research
Volume622
ISSN (Print)1022-6680

Conference

Conference2012 3rd International Conference on Manufacturing Science and Technology, ICMST 2012
Country/TerritoryIndia
CityNew Delhi
Period18/08/1219/08/12

Keywords

  • Bending fatigue
  • Bevel gear
  • High cycle fatigue (HCF)
  • Minitype

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