Initiation and short crack growth in austenitic?ferritic duplex steel-effect of positive mean stress
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F12%3A00386020" target="_blank" >RIV/68081723:_____/12:00386020 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1111/j.1460-2695.2011.01613.x" target="_blank" >http://dx.doi.org/10.1111/j.1460-2695.2011.01613.x</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/j.1460-2695.2011.01613.x" target="_blank" >10.1111/j.1460-2695.2011.01613.x</a>
Alternative languages
Result language
angličtina
Original language name
Initiation and short crack growth in austenitic?ferritic duplex steel-effect of positive mean stress
Original language description
The effect of the mean stress on the crack initiation and short crack growth of austenitic?ferritic duplex steel has been studied. High mean stresses and stress amplitudes result in appreciable mean strain relaxation and long-term hardening. Mean stressproduces unidirectional slip bands and slip steps that serve as nuclei for persistent slip bands and persistent slip markings. It leads to the acceleration of the crack initiation and production of a high density of cracks. Crack linkage contributes to the growth of short cracks. The concept of equivalent crack was used to describe the crack growth. The kinetics of short crack growth with positive mean stress is similar to that in symmetric loading, that is, exponential growth is observed. Positive meanstress results in earlier crack initiation and in the acceleration of the crack growth rate. Both factors contribute to the decrease of the fatigue life.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JL - Fatigue and fracture mechanics
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GA101%2F07%2F1500" target="_blank" >GA101/07/1500: Novel principles for life prediction in variable loading of components</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Fatigue and Fracture of Engineering Materials and Structures
ISSN
8756-758X
e-ISSN
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Volume of the periodical
35
Issue of the periodical within the volume
3
Country of publishing house
GB - UNITED KINGDOM
Number of pages
12
Pages from-to
257-268
UT code for WoS article
000300765800006
EID of the result in the Scopus database
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