INFLUENCE OF THERMO HYDROGEN TREATMENT ON HOT DEFORMATION BEHAVIOR AND MICROSTRUCTURAL EVOLUTION OF TI-6AL-4V ALLOY

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F14%3A86090200" target="_blank" >RIV/61989100:27360/14:86090200 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.comat.cz/files/proceedings/19/reports/3401.pdf" target="_blank" >http://www.comat.cz/files/proceedings/19/reports/3401.pdf</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

INFLUENCE OF THERMO HYDROGEN TREATMENT ON HOT DEFORMATION BEHAVIOR AND MICROSTRUCTURAL EVOLUTION OF TI-6AL-4V ALLOY

Popis výsledku v původním jazyce

The influence of hydrogen on hot deformation behavior and the microstructure evolution of Ti-6Al-4V was investigated. Specimens in hydrogenated and non-hydrogenated state were tested by means of isothermal compression at 800 °C and strain rate of 0.005 s-1 on a Gleeble-3800 machine. Thermal hydrogen treatment of specimens in flowing hydrogen consisted of annealing 1 h at 600 °C, 0.5 h at 850 °C and aging 4 h at 590 °C. Hydrogen contents in specimens at conditions as-received, heat treated in argon and in hydrogen and after isothermal compression test were measured using an analyzer LECO RH600. Thermal hydrogen treatment resulted in amount of hydrogen as high as 0.98 wt. %. After isothermal compression test the hydrogen content of 0.46 wt. % was retained in the specimens. Metallographic study of microstructure evolution after isothermal compression revealed martensite needles and rare and very fine alpha phase grains confirming that the specimens were deformed above the beta transus tem

Název v anglickém jazyce

INFLUENCE OF THERMO HYDROGEN TREATMENT ON HOT DEFORMATION BEHAVIOR AND MICROSTRUCTURAL EVOLUTION OF TI-6AL-4V ALLOY

Popis výsledku anglicky

The influence of hydrogen on hot deformation behavior and the microstructure evolution of Ti-6Al-4V was investigated. Specimens in hydrogenated and non-hydrogenated state were tested by means of isothermal compression at 800 °C and strain rate of 0.005 s-1 on a Gleeble-3800 machine. Thermal hydrogen treatment of specimens in flowing hydrogen consisted of annealing 1 h at 600 °C, 0.5 h at 850 °C and aging 4 h at 590 °C. Hydrogen contents in specimens at conditions as-received, heat treated in argon and in hydrogen and after isothermal compression test were measured using an analyzer LECO RH600. Thermal hydrogen treatment resulted in amount of hydrogen as high as 0.98 wt. %. After isothermal compression test the hydrogen content of 0.46 wt. % was retained in the specimens. Metallographic study of microstructure evolution after isothermal compression revealed martensite needles and rare and very fine alpha phase grains confirming that the specimens were deformed above the beta transus tem

Druh

D - Stať ve sborníku

CEP obor

JJ - Ostatní materiály

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

COMAT 2014 : recent trends in structural materials : conference proceedings : November 19th - 21th 2014, Parkhotel Plzen, Pilsen, Czech Republic, EU

ISBN

978-80-87294-45-1

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

3401

Název nakladatele

Tanger

Místo vydání

Ostrava

Místo konání akce

Plzeň

Datum konání akce

19. 11. 2014

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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