About: Recrystallization annealing of tungsten alloys in the form of wire under various conditions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of the present work was to appraise a possibility of application of recrystallization annealing in the electron beam zone furnace in vacuum at high temperatures in order to get a single crystalline structure of wires of low-alloyed tungsten alloys made by conventional procedures of powder metallurgy. The recrystallization annealing was applied on specimens of the alloys W-5 wt.% Re, W-26 wt.% Re, W-0,1 wt.% Ir and pure tungsten wires, diameter 0,5 mm. Influences of the alloying element content, temperature, speed and number of the hot zone passes on structural characteristics of these alloys were studied. The principle of this method consists in several passes of the hot zone along a specimen in the form of wire by the constant speed (1 and 3 mm/min) in the vacuum about 10-3-10-4 Pa at high temperatures. It was found, that the alloying elements precipitated on the grain boundaries inhibit an efficient migration of grain boundaries. To obtain a single crystalline structure of wires on the base The aim of the present work was to appraise a possibility of application of recrystallization annealing in the electron beam zone furnace in vacuum at high temperatures in order to get a single crystalline structure of wires of low-alloyed tungsten alloys made by conventional procedures of powder metallurgy. The recrystallization annealing was applied on specimens of the alloys W-5 wt.% Re, W-26 wt.% Re, W-0,1 wt.% Ir and pure tungsten wires, diameter 0,5 mm. Influences of the alloying element content, temperature, speed and number of the hot zone passes on structural characteristics of these alloys were studied. The principle of this method consists in several passes of the hot zone along a specimen in the form of wire by the constant speed (1 and 3 mm/min) in the vacuum about 10-3-10-4 Pa at high temperatures. It was found, that the alloying elements precipitated on the grain boundaries inhibit an efficient migration of grain boundaries. To obtain a single crystalline structure of wires on the base (en)
Title	Recrystallization annealing of tungsten alloys in the form of wire under various conditions Recrystallization annealing of tungsten alloys in the form of wire under various conditions (en)
skos:prefLabel	Recrystallization annealing of tungsten alloys in the form of wire under various conditions Recrystallization annealing of tungsten alloys in the form of wire under various conditions (en)
skos:notation	RIV/61989100:27360/08:00019380!RIV10-MSM-27360___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP106/06/P288), Z(MSM6198910013)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Drápala, Jaromír Skotnicová, Kateřina
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	391795
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/08:00019380
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Recrystallization annealing; tungsten; rhenium; single crystal (en)
http://linked.open.../riv/klicoveSlovo	single crystal tungsten rhenium Recrystallization annealing
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[D2AE536BD661]
http://linked.open...i/riv/nazevZdroje	Hutnické listy
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Preparation and study of characteristic properties of binary and ternary low-alloyed single crystals of tungsten and molybdenum
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Drápala, Jaromír Skotnicová, Kateřina
http://linked.open...n/vavai/riv/zamer	Processes of preparation and properties of highly pure and structural defined special materials
issn	0018-8069
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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