IMPROVEMENT OF WORK ROLL SERVICE LIFE BY MICROSTRUCTURE SIMULATION

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F14%3APU109218" target="_blank" >RIV/00216305:26210/14:PU109218 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
IMPROVEMENT OF WORK ROLL SERVICE LIFE BY MICROSTRUCTURE SIMULATION
Original language description
The work roll surface in hot rolling mills suffers combined heat and mechanical load. The surface degradation leads to the formation of crack networks. The current research describes a thermal fatigue similar to the governing degradation mechanism, whichcauses the cracks formation perpendicular to surface. This paper describes the additional effect of cyclic thermal loads ? the cause of parallel-to-surface cracks formation within long and thin carbides which is prone to forming inside HiCr steel. The cracks formation is investigated by both a thermal and a structure FEA. These analyses are conducted with a special finite element model which has a steel microstructure. The model is exposed to a thermal load at the end of the rolling gap. The result ? the heterogeneous thermal field is applied like a BC for the structure analysis. The results are presented by a histogram of relative frequency of the first principal stress value, for each microstructure portion separately. The distributi
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
METAL 2014, 23rd International Conference on Metallurgy and Materials, Conference Proceedings
ISBN
978-80-87294-54-3
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1-6
Publisher name
Tanger Ltd.
Place of publication
Ostrava
Event location
Brno
Event date
May 21, 2014
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000350641700045

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