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Numerical investigation of stress concentration in a large-diameter threaded connection

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Abstract

Results of a numerical investigation of stress concentration in a large-diameter threaded connection are analyzed in an example of connections between an M190×6 stud and nut (stud-nut) and M190×6 stud and casing flange (stud-flange) of the joint assembly between the casing and cover of a VVÉR-1500 reactor. The finite-element method implemented in the software package COSMOS/M was used to calculate the notch-sensitivity index Kσ in a threaded connection (M190×6).

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References

  1. V. N. Markov, L. M. Postnov, and V. A. Kizima, “Complex tests of materials and subassemblies in power-generating equipment for high-capacity machines,” Énergomashinostr., No. 3 (1982).

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Authors and Affiliations

  1. Izhorskie Zavody, St. Petersburg

    T. A. Komarova, Yu. S. Kuz’min & V. G. Fedosov

Authors
  1. T. A. Komarova
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  2. Yu. S. Kuz’min
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  3. V. G. Fedosov
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 5, pp. 7–10, May, 2007.

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Komarova, T.A., Kuz’min, Y.S. & Fedosov, V.G. Numerical investigation of stress concentration in a large-diameter threaded connection. Chem Petrol Eng 43, 243–248 (2007). https://doi.org/10.1007/s10556-007-0044-6

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  • DOI: https://doi.org/10.1007/s10556-007-0044-6

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