About: Development of high strenght steels

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Innovative processing strategies of high-strength steels enable better combinations of strength and ductility than the classical ones. One of these new heat treatment methods is also quenching and partitioning (Q-P) process, which benefits from a positive effect of retained austenite on mechanical properties. Resulting microstructure after Q-P process consists of martensite with 5-15% of retained austenite, which allows it to achieve strengths above 1800MPa with ductility around 10%. In this work Q-P process was incorporated into the more complex thermo-mechanical treatment with incremental deformation, which refines final microstructure and thus further improves its mechanical properties, increasing the strength to 2000MPa without deteriorating the ductility. Three steels with 0.43%C and varying manganese (0.6-1.2%) and silicon (2-2.6%) content were used to investigate the influence of these main alloying elements. Important parameters of the process, such as cooling rate and partitioning hold were optimized with regard to the final microstructure and mechanical properties. Innovative processing strategies of high-strength steels enable better combinations of strength and ductility than the classical ones. One of these new heat treatment methods is also quenching and partitioning (Q-P) process, which benefits from a positive effect of retained austenite on mechanical properties. Resulting microstructure after Q-P process consists of martensite with 5-15% of retained austenite, which allows it to achieve strengths above 1800MPa with ductility around 10%. In this work Q-P process was incorporated into the more complex thermo-mechanical treatment with incremental deformation, which refines final microstructure and thus further improves its mechanical properties, increasing the strength to 2000MPa without deteriorating the ductility. Three steels with 0.43%C and varying manganese (0.6-1.2%) and silicon (2-2.6%) content were used to investigate the influence of these main alloying elements. Important parameters of the process, such as cooling rate and partitioning hold were optimized with regard to the final microstructure and mechanical properties. (en)
Title	Development of high strenght steels Development of high strenght steels (en)
skos:prefLabel	Development of high strenght steels Development of high strenght steels (en)
skos:notation	RIV/49777513:23210/11:43896915!RIV14-MSM-23210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06032), P(GA106/09/1968)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Klauberová, Danuše Mašek, Bohuslav Jirková, Hana Kučerová, Ludmila
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	Západočeská univerzita v Plzni / Fakulta strojní
http://linked.open...dnocenehoVysledku	194057
http://linked.open...ai/riv/idVysledku	RIV/49777513:23210/11:43896915
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	thermo-mechanical treatment; incremental deformation; Q-P process (en)
http://linked.open.../riv/klicoveSlovo	thermo-mechanical treatment Q-P process incremental deformation
http://linked.open...ontrolniKodProRIV	[1594F057C560]
http://linked.open...v/mistoKonaniAkce	Sokolov
http://linked.open...i/riv/mistoVydani	Chemnitz
http://linked.open...i/riv/nazevZdroje	New trends in material technology
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	RESEARCH CENTRE OF FORMING TECHNOLOGY Development of New Grades of High-Strength Low-Alloyed Steels with Improved Elongation Values
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Jirková, Hana Kučerová, Ludmila Mašek, Bohuslav Klauberová, Danuše
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-06-22 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Verlag der Gesellschaft für Unternehmensrechnung und Controlling
https://schema.org/isbn	978-3-86367-008-5
http://localhost/t...ganizacniJednotka	23210

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