Physical interpretation of the reference features in textural fractography of fatigue fractures

Lauschmann, Hynek and Siska, Filip 2013, Physical interpretation of the reference features in textural fractography of fatigue fractures, Acta metallurgica Slovaca, vol. 19, no. 2, pp. 141-148.

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Title Physical interpretation of the reference features in textural fractography of fatigue fractures
Author(s) Lauschmann, Hynek
Siska, Filip
Journal name Acta metallurgica Slovaca
Volume number 19
Issue number 2
Start page 141
End page 148
Total pages 8
Publisher Technical University of Kosice
Place of publication Kosice, Slovakia
Publication date 2013
ISSN 1335-1532
1338-1156
Keyword(s) crack growth rate
fatigue
plastic zone
reference concept
textural fractography
Summary Reference features of a fatigue fracture surface are the reference texture and reference crack growth rate which are unambiguously mutually related. The reference texture is a subset of the image texture in SEM fractographs. It is expected to be common to all fractures caused by loadings in which significant events occur sufficiently regularly and frequently. The ratio of the reference and the conventional crack growth rate called reference factor is a characteristic of a particular loading. Its value may be related to the sequence of successive sizes of the cyclic plastic zone, while the mechanism of the effect of overloads follows the models of Wheeler and Willenborg. Application to a set of nine test specimens from aluminium alloy loaded by three different loading regimes is shown.
Language eng
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category CN Other journal article
Persistent URL http://hdl.handle.net/10536/DRO/DU:30057716

Document type: Journal Article
Collection: Institute for Frontier Materials
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