STRESS RATE GRAIN SIZE DEPENDENCE OF DYNAMIC STRESS INTENSITY FACTOR BY DYNAMICAL PILING-UP OF DISLOCATIONS.

Toshimitsu Yokobori, Takeo Yokobori, Hiroshi Nishi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The study concerns computer simulation of dynamic piling-up behavior of dislocations emitted from the source against the grain boundary. The dynamic stress intensity factor by the dislocation piling-up was obtained in analytical equation in terms of stress application rate, grain size and materials constants. The comparison of the results was made with the static (equilibrium) result. Finally, the result was applied to the dynamic yielding strength of steel, and it is in good agreement with the experimental data in literature.

Original languageEnglish
Pages (from-to)1995-2001
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume51
Issue number468
Publication statusPublished - 1985 Aug
Externally publishedYes

ASJC Scopus subject areas

  • Mechanical Engineering

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