An expert system for estimation of fatigue properties of metallic materials

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An expert system for estimation of fatigue properties from simple tensile data of material is developed, considering nearly all important estimation methods proposed so far, i.e. seven estimation methods. The expert system is developed using an expert system shell, UNIK, and the knowledge base is constructed with production rules and frames. Forward chaining is employed as a reasoning method. The expert system has three major functions including the function to update the knowledge base. The performance of the expert system is tested using the 54 epsilon-N curves consisting of 381 epsilon-N data points obtained for 22 materials. It is found that the expert system developed has excellent performance especially for steel materials, and reasonably good for titanium alloys. (C) 2002 Elsevier Science Ltd. All rights reserved.
Publisher
ELSEVIER SCI LTD
Issue Date
2002-06
Language
English
Article Type
Article
Keywords

FAILURE-MECHANISM IDENTIFICATION; INTEGRATED DATABASE

Citation

INTERNATIONAL JOURNAL OF FATIGUE, v.24, no.6, pp.685 - 698

ISSN
0142-1123
DOI
10.1016/S0142-1123(01)00184-0
URI
http://hdl.handle.net/10203/80635
Appears in Collection
ME-Journal Papers(저널논문)
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