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dc.contributor.authorKawulok, Petr
dc.contributor.authorSchindler, Ivo
dc.contributor.authorMizera, Jaroslaw
dc.contributor.authorKawulok, Rostislav
dc.contributor.authorRusz, Stanislav
dc.contributor.authorOpěla, Petr
dc.contributor.authorOlszar, Miroslav
dc.contributor.authorČmiel, Karel Milan
dc.date.accessioned2018-09-06T06:02:10Z
dc.date.available2018-09-06T06:02:10Z
dc.date.issued2018
dc.identifier.citationArchives of Metallurgy and Materials. 2018, vol. 63, issue 2, p. 907-914.cs
dc.identifier.issn1733-3490
dc.identifier.issn2300-1909
dc.identifier.urihttp://hdl.handle.net/10084/131583
dc.description.abstractThe aim of the performed experiments was to determine the influence of a cooling rate on the evolution of microstructure and hardness of the steel 27MnCrB5. By using dilatometric tests performed on the plastometer Gleeble 3800 and by using mathematical modelling in the software QTSteel a continuous cooling transformation diagram for a heating temperature of 850 degrees C was constructed. Conformity of diagrams constructed for both methods is relatively good, except for the position and shape of the ferrite nose. The values of hardness, temperatures of phase transformations and the volume fractions of structural phases upon cooling from the temperature of 850 degrees C at the rate from 0.16 degrees C.s(-1) to 37.2 degrees C.s(-1) were determined. Mathematically predicted proportion of martensite with real data was of relatively solid conformity, but the hardness values evaluated by mathematical modelling was always higher.cs
dc.format.extent5731002 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoencs
dc.publisherPolska Akademia Naukcs
dc.relation.ispartofseriesArchives of Metallurgy and Materialscs
dc.relation.urihttp://doi.org/10.24425/122421cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cs
dc.subjectsteel 27MnCrB5cs
dc.subjectcontinuous cooling transformations diagramscs
dc.subjectdilatometric testscs
dc.subjectplastometer Gleeble 3800cs
dc.subjectsoftware QTSteelcs
dc.titleThe influence of a cooling rate on the evolution of microstructure and hardness of the steel 27MnCrB5cs
dc.typearticlecs
dc.identifier.doi10.24425/122421
dc.rights.accessopenAccesscs
dc.type.versionpublishedVersioncs
dc.type.statusPeer-reviewedcs
dc.description.sourceWeb of Sciencecs
dc.description.volume63cs
dc.description.issue2cs
dc.description.lastpage914cs
dc.description.firstpage907cs
dc.identifier.wos000439031800047


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