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The role of residual stress on the fatigue strength of high performance gearing

Lookup NU author(s): Professor Brian Shaw, Christopher Aylott

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Abstract

The failure of hardened, high performance gearing normally occurs through a process of fatigue and is usually attributed to a combination of the material properties along with gear design and mechanical misalignment. Recent work has shown that a very effective method of controlling fatigue performance is through the careful use of residual stresses. This paper concentrates on how residual stress variations can greatly influence the bending fatigue performance measured on carburised gears. The results from the work show that careful control of residual stress, through shot peening, can give up to a 75% increase in fatigue strength through the introduction of high compressive residual stresses. © 2003 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Aylott C; Shaw BA; O'Hara P; Brimble K

Editor(s): Vasudevan A.K., Nicholas T., Stepp D., Paris P.C.

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Journal of Fatigue: International Conference on Fatigue Damage of Structural Materials

Year of Conference: 2003

Pages: 1279-1283

ISSN: 0142-1123

Publisher: Elsevier Ltd

URL: http://dx.doi.org/10.1016/j.ijfatigue.2003.08.014

DOI: 10.1016/j.ijfatigue.2003.08.014


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