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Title:Application of material forces to fracture of inhomogeneous materials : illustrative examples
Authors:ID Fischer, Franz Dieter (Author)
ID Predan, Jožef (Author)
ID Kolednik, Otmar (Author)
ID Simha, N.K. (Author)
Files:URL http://dx.doi.org/10.1007/s00419-006-0058-0
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The material forces concept has become an elegant tool in continuum mechanics for the calculation of the thermodynamic driving force of a defect. Based on this concept, we have recently shown that inhomogeneities essentially shield or anti-shield crack tips from applied far-field stresses. The goal of this paper is to illustrate this by considering the model example of a crack in a CT-type specimen that contains a bimaterial interface. The crack driving force is calculated as the sum of the far-field driving force and the crack-tip shielding or anti-shielding. Several cases of inhomogeneity in either thermal or elastic properties are considered. Rather simple hand calculations are provided in addition to numerical results to illustrate the advantages of using the material forces concept.
Year of publishing:2007
PID:20.500.12556/DKUM-27437 New window
UDC:539.3:519.61/.64
ISSN on article:0939-1533
COBISS.SI-ID:10670614 New window
NUK URN:URN:SI:UM:DK:IKJALQCV
Publication date in DKUM:01.06.2012
Views:1447
Downloads:91
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Archive of applied mechanics
Shortened title:Arch. appl. mech.
Publisher:Springer Verlag
ISSN:0939-1533
COBISS.SI-ID:28233472 New window

Secondary language

Language:English
Keywords:crack, shielding, anti-shielding, material forces


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