Title : A New Stochastic Model For Prediction of Fatigue Crack Propagation ( A New Stochastic Model for Prediction of Fatigue Crack Propagation )
Authors: Khalil Farhangdoost , Ehsan Pooladi Borj ,
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Abstract
Fatigue damage plays a significant role in fatigue life of structures and mechanical parts. Characterizing crack length as a random process in fatigue life is a matter of controversy which is the first step of this new stochastic model for prediction of fatigue crack propagation. Minimum uncertainties and capability of using closure load are the model advantages. Generating series of a non-stationary process, effects of load history in immediate last step of crack propagation using total probability theory are some assumption of this model. The model result has been compared with actual test results of Ti-6Al-4V CT specimens.
Keywords
, Fatigue, Damage tolerances, Crack propagation, Stochastic modeling
@article{paperid:102547,
author = {Farhangdoost, Khalil and Pooladi Borj, Ehsan},
title = {A New Stochastic Model For Prediction of Fatigue Crack Propagation},
journal = {Key Engineering Materials},
year = {2005},
number = {127},
month = {October},
issn = {1013-9826},
pages = {1764--1769},
numpages = {5},
keywords = {Fatigue; Damage tolerances; Crack propagation; Stochastic modeling},
}
%0 Journal Article
%T A New Stochastic Model For Prediction of Fatigue Crack Propagation
%A Farhangdoost, Khalil
%A Pooladi Borj, Ehsan
%J Key Engineering Materials
%@ 1013-9826
%D 2005
