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Title:Computational approach to contact fatigue damage initiation analysis of gear teeth flanks
Authors:Šraml, Matjaž (Author)
Flašker, Jože (Author)
Files:URL http://dx.doi.org/10.1007/s00170-005-0296-2
 
Language:English
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The paper describes a general computational model for the simulation of contact fatigue-damage initiation in the contact area of meshing gears. The model considers the continuum mechanics approach, where the use of homogenous and elastic material is assumed. The stress field in the contact area and the relationship between the cyclic contact loading conditions and observed contact points on the tooth flank are simulated with moving Hertzian contact pressure in the framework of the finite element method analysis. An equivalentmodel of Hertzian contact between two cylinders is used for evaluating contact conditions at the major point of contact of meshing gears. For the purpose of fatigue-damage analysis, the model, which is used for prediction of the number of loading cycles required for initial fatigue damageto appear, is based on the Coffin-Manson relationship between deformations and loading cycles. On the basis of computational results, and with consideration of some particular geometrical and material parameters, theinitiation life of contacting spur gears in regard to contact fatigue damage can be estimated.
Keywords:machine elements, fracture mechanics, gears, contact fatigue, crack initiation, numerical modelling, teeth flanks
Year of publishing:2006
UDC:621.833:539.388.1
ISSN on article:0268-3768
COBISS_ID:10148374 Link is opened in a new window
NUK URN:URN:SI:UM:DK:X30SFECQ
Views:1707
Downloads:62
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Categories:Misc.
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Record is a part of a journal

Title:The international journal of advanced manufacturing technology
Shortened title:Int. j. adv. manuf. technol.
Publisher:IFS Publications
ISSN:0268-3768
COBISS.SI-ID:25636352 New window

Secondary language

Language:English
Keywords:strojni elementi, lomna mehanika, zobniška gonila, kontaktna utrujenost, nastanek razpoke, numerično modeliranje, bok zoba


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