Journal
INTERNATIONAL JOURNAL OF FATIGUE
Volume 31, Issue 2, Pages 341-345Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2008.08.004
Keywords
Loads below the fatigue limit; Strengthening; Damaging; Fatigue strength; Fatigue life
Funding
- Shanghai Municipal Natural Science Foundation [07ZR14081]
- Shanghai Municipal Education Commission Innovation Project [08YZ102]
- Ministry of Baden-Wurttemberg
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The strengthening and damaging of low-amplitude loads below the fatigue limit are investigated by single tooth bending for the transmission cylindrical gear under constant low-amplitude loading and program loading. The experimental results show that the strengthening effects of low-amplitude loads are very obvious under constant low-amplitude loading, while are weakened under program loading. The strengthening loads under constant low-amplitude loading maybe have not the strengthening effects for the influence of overload in program loading, but the less low-amplitude loads could exhibit the strengthening effects. The strengthening effects Of low-amplitude loads in program loading are influenced remarkably by the cycles of low-amplitude loads. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.
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