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The Calculation and Analyses of the Influence of Compression Loads for Fatigue Crack Propagation

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Book cover Computational Mechanics ’86

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Abstract

There are some needs to investegate the influence of compression loads for fatigue crack propagation in practical engineering. For the evaluation of the influence of compression loads, the finite element analyses were made with CT specimen loaded by a compression load in fatigue, the strain and stress variations in the specimen were calculated before and behind the compression load and the contour integral Jint was regarded as a control parameter at crack tip, which can consider the influence of intrinsic strain. Because of the consideration of the influence of intrinsic strain, the Jint can be used to analyse cyclic loading and the influence of compression loads for fatigue crack propagation. The results show that the curve of Jint is raised evidently after the compression load compared with that before the compression load, which expresses that the compression load accelerates the fatigue crack propagation.

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References

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Author information

Authors and Affiliations

  1. Department of Jet Propulsion, Beijing Institute of Aeronautics and Astronautics, Beijing, China

    Nie Jing-Xu & Li Shi

Authors
  1. Nie Jing-Xu
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  2. Li Shi
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Editor information

Editors and Affiliations

  1. Department of Nuclear Engineering, The University of Tokyo, 3-1, Hongo 7-chome, Bunkyo-ku, Tokyo 113, Japan

    Genki Yagawa

  2. Center for the Advancement of Computational Mechanics, School of Civil Engineering, Georgia Institute of Technology, 225, North Avenue, Atlanta, GA, 30332, USA

    Satya N. Atluri

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© 1986 Springer Japan

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Jing-Xu, N., Shi, L. (1986). The Calculation and Analyses of the Influence of Compression Loads for Fatigue Crack Propagation. In: Yagawa, G., Atluri, S.N. (eds) Computational Mechanics ’86. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68042-0_146

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  • DOI: https://doi.org/10.1007/978-4-431-68042-0_146

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68044-4

  • Online ISBN: 978-4-431-68042-0

  • eBook Packages: Springer Book Archive

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