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STATISTICAL THEORY OF DELAYED FRACTURE
Author(s) -
Xing Xiu-San
Publication year - 1990
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.39.1602
Subject(s) - fracture (geology) , statistical theory , reliability (semiconductor) , distribution function , probability distribution , range (aeronautics) , function (biology) , stress (linguistics) , materials science , statistical physics , physics , statistics , thermodynamics , mathematics , composite material , power (physics) , evolutionary biology , biology , linguistics , philosophy
A statistical theory of delayed fracture in a wide range of stress (1》(ασ)/(Kt)》1) has been proposed. The fundamental idea is that microcrack stochastically evolves based on the atomic bond mechanism leading to fracture. The microcack evolution equation is given. The microcrack distribution function, fracture probability, reliability, the statistical distribution function of fracture strength and fracture life and their statistical average value are derived.

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