A maximum likelihood method for estimating P S N curves

A maximum likelihood method for estimating P S N curves is proposed in order to minimize the time and the number of specimens required for laboratory testing. The S N curves are assumed in a three-parameter form. The proposed maximum likelihood method can conveniently be used to estimate the thre...

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Bibliographic Details
Published inInternational journal of fatigue Vol. 19; no. 5; pp. 415 - 419
Main Authors Ling, Jing, Pan, Jwo
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.05.1997
Elsevier Science
Subjects
Applied sciences
Exact sciences and technology
Fatigue
fatigue strength
fatigue test
maximum likelihood method
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
P S N curves
fatigue strength
fatigue test
maximum likelihood method
P S N curves
Fatigue life
Fatigue test
Fatigue strength
Test method
Mechanical properties
Fatigue
SN diagram
Likelihood function
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Summary:A maximum likelihood method for estimating P S N curves is proposed in order to minimize the time and the number of specimens required for laboratory testing. The S N curves are assumed in a three-parameter form. The proposed maximum likelihood method can conveniently be used to estimate the three parameters of the S N curves. The required number of test specimens for the maximum likelihood method is less than that for the conventional method. Based on the test results of notched steel specimens subject to axial loads, it is shown here that the P S N curves obtained by the maximum likelihood method agree well with those obtained by the conventional method.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0142-1123
1879-3452
DOI:10.1016/S0142-1123(97)00037-6