About: Structure and Properties of sub-zero Processed Ledeburitic Tool Steels

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Three types of ledeburitic cold work steels were austenitized at 1025 °C, nitrogen gas quenched and double tempered. Sub-zero period, made at different temperatures and dwell times, was also inserted between quenching and tempering. For the research was used steel Sverker 21 made by conventional way and two P/M steels (Vanadis 4 Extra and Vanadis 6). The microstructure, mechanical properties and surface resistance to cyclic impact load have been investigated as a function of parameters of heat treatment. There were used metallographic and rtg analysis, hardness measurement, three point bending test and impact test for the evaluation effect of sub-zero processing to observed materials. Analysis of impact craters was made by laser confocal microscopy and SEM. The results proved small differences in behaviour of observed material, which can, under specific conditions, be determinative for lifetime period of tools. Three types of ledeburitic cold work steels were austenitized at 1025 °C, nitrogen gas quenched and double tempered. Sub-zero period, made at different temperatures and dwell times, was also inserted between quenching and tempering. For the research was used steel Sverker 21 made by conventional way and two P/M steels (Vanadis 4 Extra and Vanadis 6). The microstructure, mechanical properties and surface resistance to cyclic impact load have been investigated as a function of parameters of heat treatment. There were used metallographic and rtg analysis, hardness measurement, three point bending test and impact test for the evaluation effect of sub-zero processing to observed materials. Analysis of impact craters was made by laser confocal microscopy and SEM. The results proved small differences in behaviour of observed material, which can, under specific conditions, be determinative for lifetime period of tools. (en)
Title	Structure and Properties of sub-zero Processed Ledeburitic Tool Steels Structure and Properties of sub-zero Processed Ledeburitic Tool Steels (en)
skos:prefLabel	Structure and Properties of sub-zero Processed Ledeburitic Tool Steels Structure and Properties of sub-zero Processed Ledeburitic Tool Steels (en)
skos:notation	RIV/68407700:21220/13:00208051!RIV14-MPO-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/003)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Sobotová, Jana Cejp, Jiří
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	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	108391
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/13:00208051
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cold work steel; heat-treatment; sub-zero treatment; three point bending test; impact test (en)
http://linked.open.../riv/klicoveSlovo	heat-treatment sub-zero treatment cold work steel three point bending test impact test
http://linked.open...ontrolniKodProRIV	[42946CAA9D52]
http://linked.open...v/mistoKonaniAkce	Brno, Hotel Voroněž
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2013
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Prolonging of Service - time of Tools made from Ledeburitic Steels by means of Sub-zero Treatment
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Sobotová, Jana Jurči, P. Cejp, Jiří Prikner, O. Salabová, P.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-05-15 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	TANGEr, spol. s r.o.
https://schema.org/isbn	978-80-87294-39-0
http://localhost/t...ganizacniJednotka	21220

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