About: INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Cast commercial magnesium alloy AZ31 was processed by high pressure torsion (HPT) at room temperature for 1, 3, 5 and 15 rotations (strain ranged from 1 to 7). Microstructure evolution with strain imposed by HPT was observed by light and electron microscopy. HPT was shown to be a very effective method of grain refinement. The initial coarse grain structure was refined by a factor of almost 200 already after one HPT turn (ε ALMOST EQUAL TO 4). Mechanical properties were investigated by detailed 2-D microhardness measurements. HPT straining was found to introduce a radial inhomogeneity in the material which is manifested by a pronounced drop in the center and the maximum near the specimen periphery. With increasing strain due to HPT this inhomogeneity is continuously smeared out tending to saturate with increasing strain. Integrated 3-D meshes across the total surface of disks revealed the undulating character of microhardness variations. The strain imposed by HPT was shown to saturate with increasing number of HPT turns. Cast commercial magnesium alloy AZ31 was processed by high pressure torsion (HPT) at room temperature for 1, 3, 5 and 15 rotations (strain ranged from 1 to 7). Microstructure evolution with strain imposed by HPT was observed by light and electron microscopy. HPT was shown to be a very effective method of grain refinement. The initial coarse grain structure was refined by a factor of almost 200 already after one HPT turn (ε ALMOST EQUAL TO 4). Mechanical properties were investigated by detailed 2-D microhardness measurements. HPT straining was found to introduce a radial inhomogeneity in the material which is manifested by a pronounced drop in the center and the maximum near the specimen periphery. With increasing strain due to HPT this inhomogeneity is continuously smeared out tending to saturate with increasing strain. Integrated 3-D meshes across the total surface of disks revealed the undulating character of microhardness variations. The strain imposed by HPT was shown to saturate with increasing number of HPT turns. (en)
Title	INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION (en)
skos:prefLabel	INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION (en)
skos:notation	RIV/00216208:11320/11:10108741!RIV12-GA0-11320___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA106/09/0482), S, Z(MSM0021620834)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Stráský, Josef Janeček, Miloš Vrátná, Jitka
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	205710
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10108741
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	HIGH PRESSURE TORSION; AZ31 ALLOY; MICROSTRUCTURE; MICROHARDNESS (en)
http://linked.open.../riv/klicoveSlovo	AZ31 ALLOY HIGH PRESSURE TORSION MICROHARDNESS MICROSTRUCTURE
http://linked.open...ontrolniKodProRIV	[53F0C6EA70D5]
http://linked.open...v/mistoKonaniAkce	San Diego
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Magnesium Technology 2011
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Mechanical properties and microstructure development of ultrafine-grained magnesium alloys prepared by various processing routes
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Janeček, Miloš Stráský, Josef Kim, Hyuong Seop Vrátná, Jitka Yoon, Eun-Yoo
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-02-27 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Wiley
https://schema.org/isbn	978-1-118-02936-7
http://localhost/t...ganizacniJednotka	11320

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