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Title:Computational model for the analysis of bending fatigue in gears
Authors:Kramberger, Janez (Author)
Šraml, Matjaž (Author)
Glodež, Srečko (Author)
Flašker, Jože (Author)
Potrč, Iztok (Author)
Files:URL http://dx.doi.org/10.1016/j.compstruc.2003.10.028
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:A computational model for the determination of service life of gears with regard to bending fatigue in a gear tooth root is presented. The fatigue process leading to tooth breakage is divided into crack initiation (Ni) and crack propagation (Np) periods, where the complete service life is defined as N = Ni + Np. The strain-life method in the framework of the FEM method has been used to determine the number of stress cycles Ni required for fatigue crack initiation. Gear tooth crack propagation was simulated using a FEM method based computer program which uses principles of linear elastic fracture mechanics. The Paris equation is then used for the further simulation of the fatigue crack growth. The presented model is used to determine the service life of a real spur gear made from through-hardened steel 42CrMo4.
Keywords:machine elements, gears, bending fatigue, service life, fatigue crack initiation, fatigue crack propagation, computational simulations, numerical modelling, fracture mechanics
Year of publishing:2004
ISSN on article:0045-7949
COBISS_ID:9036310 Link is opened in a new window
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Record is a part of a journal

Title:Computers & Structures
Shortened title:Comput. struct.
COBISS.SI-ID:4419338 New window

Secondary language

Keywords:strojni elementi, zobniška gonila, utrujenost, upogib, življenjska doba, nastanek utrujenostne razpoke, širjenje utrujenostne razpoke, računalniška simulacija, numerično modeliranje, lomna mehanika


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