investigation of the initiation and propagation of cracks in the coated surface of spur gear: an application of irreversible cohesive zone model

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ID: 256549
2015
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Abstract
Spur gears are the most common type of gears for industry, due to its simple structures and low costs of manufacture. Under the action of rolling contact fatigue, the main mode of the coated teeth failure is surface or subsurface originated micro-pitting, leading to the debonding of coating from substrate, fracture in the coating and even subsurface failure. Failure may originate from initiation of cracks, and its growth and propagation, however, basic failure mechanism is still not clear. In this paper, a comprehensive finite element modeling procedure including submodelling techniques and irreversible cohesive zone modelling techniques (CZM) is developed to investigate the failure mechanisms under the rolling contact fatigue loading. The details of the localized stresses distribution will be simulated using the submodelling technique. Irreversible CZM will be used to simulate the initiation and propagation of the cracks in the coated surface of the spur gears under the cyclic contact loading.
Reference Key
jiling2015matecinvestigation Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Feng Jiling;Qin Yi;Dong Hanshan
Journal acta botânica brasílica
Year 2015
DOI
10.1051/matecconf/20152112005
URL
http://dx.doi.org/10.1051/matecconf/20152112005
Keywords
engineering (general) civil engineering (general)

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