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The Effect of Superfinishing on the Contact Fatigue of Case Carburised Gears

Lookup NU author(s): Dr Jishan Zhang, Professor Brian Shaw


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The contact fatigue performance of two pairs of case carburised gears with either an as-ground or superfinished surface finish was studied. This comparison test was carried out using a back-to-back gear test rig. Test results showed that superfinished gears provided an enhanced contact fatigue resistance with only the development of minor scratches and light micropitting after running, while as-ground gears failed through a sequence of initial micropitting, progressive micropitting, macropitting and scuffing.

Publication metadata

Author(s): Zhang J, Shaw BA

Publication type: Article

Publication status: Published

Journal: Applied Mechanics and Materials

Year: 2011

Volume: 86

Pages: 348-351

Print publication date: 01/08/2011

ISSN (print): 1660-9336

ISSN (electronic):

Publisher: Trans Tech Publications Ltd


DOI: 10.4028/


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