Relationship between creep damage parameters and distribution of creep cavities on grain boundaries

N. Tada, T. Kitamura, R. Ohtani

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

Several kinds of creep damage parameters, such as area fraction of cavities, fraction of cavities on grain boundary lines, areal cavity density, and A-parameter, have been proposed and examined for the lifetime assessment of high-temperature components. In this study, physical meaning of damage parameters is analyzed on the basis of a probabilistic model of creep cavities where spherical cavities with the same radius are randomly distributed on every grain boundary plane nearly perpendicular to the stress axis direction.

Original languageEnglish
Pages535-542
Number of pages8
Publication statusPublished - Jan 1 1996
Externally publishedYes
EventProceedings of the 1996 4th International Conference on Computer-Aided Assessment and Control - Fukuoka, Jpn
Duration: Jun 3 1996Jun 5 1996

Other

OtherProceedings of the 1996 4th International Conference on Computer-Aided Assessment and Control
CityFukuoka, Jpn
Period6/3/966/5/96

ASJC Scopus subject areas

  • Software

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    Tada, N., Kitamura, T., & Ohtani, R. (1996). Relationship between creep damage parameters and distribution of creep cavities on grain boundaries. 535-542. Paper presented at Proceedings of the 1996 4th International Conference on Computer-Aided Assessment and Control, Fukuoka, Jpn, .