About: Ultrafine grain structure of medium carbon steel prepared by HPT severe plastic deformation method

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of this work is to evaluate the deformation process parameters of high pressure torsion and formation of ultrafine grained structurein medium carbon steel. Using the high pressure torsion deformation method at increased temperature the study of ultrafine grain structure formation in medium carbon steel was carried out with respect to introduced shear strain. The effect of different shear strain, varying across the deformed disc in time of torsion process, on microstructure evolution was investigated by TEM of thin foils. Microstructure analysis confirmed positional deformation heterogeneity in ultrafine grain structure formation across the disc due to the strain variation. Ultrafine grain structure was already formed at disc periphery performing the first turn. In central part of the disc, inexpressive deformation of ferrite and pearlite sructure was observed. Variatoin in mechanical properties can be related to the stress level and structure heterogeneity across the disc. The aim of this work is to evaluate the deformation process parameters of high pressure torsion and formation of ultrafine grained structurein medium carbon steel. Using the high pressure torsion deformation method at increased temperature the study of ultrafine grain structure formation in medium carbon steel was carried out with respect to introduced shear strain. The effect of different shear strain, varying across the deformed disc in time of torsion process, on microstructure evolution was investigated by TEM of thin foils. Microstructure analysis confirmed positional deformation heterogeneity in ultrafine grain structure formation across the disc due to the strain variation. Ultrafine grain structure was already formed at disc periphery performing the first turn. In central part of the disc, inexpressive deformation of ferrite and pearlite sructure was observed. Variatoin in mechanical properties can be related to the stress level and structure heterogeneity across the disc. (en)
Title	Ultrafine grain structure of medium carbon steel prepared by HPT severe plastic deformation method Ultrafine grain structure of medium carbon steel prepared by HPT severe plastic deformation method (en)
skos:prefLabel	Ultrafine grain structure of medium carbon steel prepared by HPT severe plastic deformation method Ultrafine grain structure of medium carbon steel prepared by HPT severe plastic deformation method (en)
skos:notation	RIV/26316919:_____/09:#0000189!RIV10-MSM-26316919
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM2631691901)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Zrník, Jozef
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	COMTES FHT a.s.
http://linked.open...dnocenehoVysledku	347478
http://linked.open...ai/riv/idVysledku	RIV/26316919:_____/09:#0000189
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Medium carbon steel, HPT, severe plastic deformation, structure, shear strain, TEM, heterogeneity (en)
http://linked.open.../riv/klicoveSlovo	TEM severe plastic deformation structure shear strain heterogeneity Medium carbon steel HPT
http://linked.open...ontrolniKodProRIV	[8B9CF90712D4]
http://linked.open...v/mistoKonaniAkce	Rožňov pod Radhoštěm, Czech Republic
http://linked.open...i/riv/mistoVydani	Ostrava, Czech Republic
http://linked.open...i/riv/nazevZdroje	Conference proceedings NANOCON 2009
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Zrník, Jozef
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Kovové materiály se strukturou v submikronové a nanometrické oblasti připravené metodami intenzivní plastické deformace
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-12-3

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