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dc.contributor.authorStrnadel, Bohumír
dc.contributor.authorŠrubař, Jiří
dc.contributor.authorMazancová, Eva
dc.contributor.authorMazanec, Karel
dc.date.accessioned2007-11-27T10:05:46Z
dc.date.available2007-11-27T10:05:46Z
dc.date.issued1990
dc.identifier.citationKovové materiály - Metallic Materials. 1990, roč. 28, č. 4, s. 470-477.en
dc.identifier.issn0023-432X
dc.identifier.urihttp://hdl.handle.net/10084/64223
dc.language.isocsen
dc.publisherVedaen
dc.relation.ispartofseriesKovové materiály - Metallic Materialsen
dc.titlePravděpodobnost koalescence dutin při tvárném porušení sferoidizovaných ocelíen
dc.title.alternativeThe probability of void coalescence during ductile failure of spheroidized steelsen
dc.typearticleen
dc.identifier.locationVe fondu ÚKen
dc.description.abstract-enThe statistical analysis of microstructure parameters makes possible, under using of the void growth model in stres-strain field, to determine the probability of void coalescence in the front of blunted crack tip. The probability density depends on the spatial and size distribution of precipitated carbides on which the voids are nucleated. The application of the presented model for the evaluation of low-carbon Nb microalloyed steel proved that the probability of void coalescence declines sharply as the parameter of distance from the crack tip, x/δ, increases. At an x/δ value of about 1.7 the probability of void coalescence diminishes practically to zero. The given solution represents a theore­tical base for the statistical analysis of ductile failure and for the upper shelf prediction of fracture toughness values of structural steels.en
dc.identifier.wosA1990DU45900009


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