Journal of Production Engineering

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Vol. 11 No. 1, 2 (1994): Journal of production engineering
Original Research Article

Time dependent fracture mechanics parameter for weldments

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  • Mirko Plavšić,
  • Aleksandar Sedmak
Mirko Plavšić
Mašinski fakultet. Beograd
Aleksandar Sedmak
Mašinski fakultet. Beograd
DOI: https://doi.org/10.24867/JPE-1994-11-243

Published 1994-12-01

abstract views: 5 // FULL TEXT ARTICLE (PDF): 3


Keywords

  • weidment fracture mechanics,
  • stationary creep,
  • non-stationary creep,
  • finite element method,
  • C* integral

How to Cite

Plavšić, M., & Sedmak, A. (1994). Time dependent fracture mechanics parameter for weldments. Journal of Production Engineering, 11(1, 2), 243–248. https://doi.org/10.24867/JPE-1994-11-243

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Abstract

A path lnclendent integral expression has been introduced and proved to be valid time dependent fracture mechanics parameter for weldments. The integral expression comprises line integral, resembling C* integral, surface integral which takes into account for non-stationary problems, and another line integral, which takes into account for the weldment heterogeneity. In the case of a stationary problem surface integral vanishes, as does the additional line integral for a homogeneous material, reducing the integral expression to the C* integral. The complete integral expression has been calculated for a weld merit, using the finite element method.

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FULL TEXT ARTICLE (PDF)