About: Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The work deals with grain refinement of medium carbon steel with different initial microstructure modified either by thermal or thermomechanical treatment (TM) prior severe plastic deformation. In case of TM treated steel, structure refinement was conducted in two steps. Preliminary structure refinement has been achieved due to multistep open die forging process which provided total strain of 3. Uniform recrystallized structure with 2-5 μm grain size and with nest-like pearlite colonies was obtained. Further grain refinement of samples with different initial structure was accomplished during ECAP at 400°C. The microstructure development was analyzed in dependence of effective strain introduced. The process resulted in extensive deformation of ferrite grains where mixture of subgrains and ultrafine grain was found. The tensile behavior was characterized by strength increase for both structural steel states. The work deals with grain refinement of medium carbon steel with different initial microstructure modified either by thermal or thermomechanical treatment (TM) prior severe plastic deformation. In case of TM treated steel, structure refinement was conducted in two steps. Preliminary structure refinement has been achieved due to multistep open die forging process which provided total strain of 3. Uniform recrystallized structure with 2-5 μm grain size and with nest-like pearlite colonies was obtained. Further grain refinement of samples with different initial structure was accomplished during ECAP at 400°C. The microstructure development was analyzed in dependence of effective strain introduced. The process resulted in extensive deformation of ferrite grains where mixture of subgrains and ultrafine grain was found. The tensile behavior was characterized by strength increase for both structural steel states. (en)
Title	Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature (en)
skos:prefLabel	Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature (en)
skos:notation	RIV/26316919:_____/10:#0000224!RIV11-MSM-26316919
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM2631691901)
http://linked.open...iv/cisloPeriodika	January
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Zrník, Jozef Džugan, Ján
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	256112
http://linked.open...ai/riv/idVysledku	RIV/26316919:_____/10:#0000224
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Carbon steel, thermomechanical treatment, ECAP, microstructure, mechanical properties (en)
http://linked.open.../riv/klicoveSlovo	mechanical properties microstructure Carbon steel ECAP thermomechanical treatment
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[EBF8F8CACBA9]
http://linked.open...i/riv/nazevZdroje	Materials Science Forum
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	638-642
http://linked.open...iv/tvurceVysledku	Zrník, Jozef Džugan, Jan
http://linked.open...n/vavai/riv/zamer	Kovové materiály se strukturou v submikronové a nanometrické oblasti připravené metodami intenzivní plastické deformace
issn	1662-9752
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature Effect of preliminary treatment on grain refinement of medium carbon steel using ECAP at increased temperature

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