CHOSEN MICROSTRUCTURAL PARAMETERS OF TWO HIGH MANGANESE ALLOYS

Kód výsledku v IS VaVaI

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RIV/61989100:27710/11:86079881

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

CHOSEN MICROSTRUCTURAL PARAMETERS OF TWO HIGH MANGANESE ALLOYS

Popis výsledku v původním jazyce

Two high manganese alloys marked A (24Mn-1.2C-12Al) and B (28Mn-0.7C-8.6Al) were laboratory hot rolled. After rolling in the A alloy coarser k-carbides (up to 1 m in diameter) were detected, sporadically on the austenite grains boundaries and more frequently on the ferrite ones. Reason was un-balanced Mn a C contents in superposition with the rolling deformations and finishing rolling temperature of 950°C. The hardness corresponded to 432HV30 on average. Using light microscope no carbides on grains boundaries were observed in the B alloy both after rolling and after aging at 500°C/6 minutes. After 6 minutes aging of the B alloy the hardness was by 9.2 % higher in comparison with the rolled state. The X-ray analysis nucleation of nano-size k-carbides confirmed. After aging of the B alloy at 500°C/30 and/or 60 minutes some coarser k-carbides were detected on ferrite-austenite boundaries and/or austenite-austenite interface. The hardness went up and corresponded to 343 and/or 350HV30. Fro

Název v anglickém jazyce

CHOSEN MICROSTRUCTURAL PARAMETERS OF TWO HIGH MANGANESE ALLOYS

Popis výsledku anglicky

Two high manganese alloys marked A (24Mn-1.2C-12Al) and B (28Mn-0.7C-8.6Al) were laboratory hot rolled. After rolling in the A alloy coarser k-carbides (up to 1 m in diameter) were detected, sporadically on the austenite grains boundaries and more frequently on the ferrite ones. Reason was un-balanced Mn a C contents in superposition with the rolling deformations and finishing rolling temperature of 950°C. The hardness corresponded to 432HV30 on average. Using light microscope no carbides on grains boundaries were observed in the B alloy both after rolling and after aging at 500°C/6 minutes. After 6 minutes aging of the B alloy the hardness was by 9.2 % higher in comparison with the rolled state. The X-ray analysis nucleation of nano-size k-carbides confirmed. After aging of the B alloy at 500°C/30 and/or 60 minutes some coarser k-carbides were detected on ferrite-austenite boundaries and/or austenite-austenite interface. The hardness went up and corresponded to 343 and/or 350HV30. Fro

Druh

D - Stať ve sborníku

CEP obor

JG - Hutnictví, kovové materiály

OECD FORD obor

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Projekt

<a href="/cs/project/ED0040%2F01%2F01" target="_blank" >ED0040/01/01: Regionální materiálově technologické výzkumné centrum</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

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

Název statě ve sborníku

20th Anniversary International Conference on Metallurgy and Materials: METAL 2011

ISBN

978-80-87294-24-6

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

504-509

Název nakladatele

Tanger

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

18. 5. 2011

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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