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On the calculation of stress intensity factorK for frame components

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Abstract

The stress intensity factorK in the tip of crack which is in the corner of the frame component has been calculated indirectly by means of numeric calculation ofJ Integral. Some laws and relationships among the stress intensity factorK, the applied loads and the crack length for this kind of components have been discovered for the first time. The calculating formula forK has been deduced, the criticalK has been calculated with the formula, that is 5 811.56–6 122.58 MPa · mm1/2. The conclusions reached in this paper are of great referential and practical value for simplifying the calculation of stress intensity factorK for this type of components.

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Author information

Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, Central South University of Technology, 410083, Changsha, China

    Liu Yilun & Wang Ailun

  2. Changsha Institute of Mining Research, China

    He Manjiang

Authors
  1. Liu Yilun
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  2. Wang Ailun
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  3. He Manjiang
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Additional information

Project supported by Technological Development Foundation of the Nonferrous Metal Industry Corporation of China

Synopsis of the first author Liu Yilun, Doctor, associate professor, born in Oct. 30, 1955. Research areas are fatigue strength of component and the technology of continuous casting for non-ferrous metal.

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Liu, Y., Wang, A. & He, M. On the calculation of stress intensity factorK for frame components. J. Cent. South Univ. Technol. 2, 37–41 (1995). https://doi.org/10.1007/BF02652005

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  • DOI: https://doi.org/10.1007/BF02652005

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