Tailoring microstructure and properties of CuZrAl(Nb) metallic-glass?crystal composites and nanocrystalline alloys obtained by flash-annealing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44555601%3A13520%2F24%3A43898300" target="_blank" >RIV/44555601:13520/24:43898300 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S1005030224001713?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1005030224001713?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jmst.2023.12.065" target="_blank" >10.1016/j.jmst.2023.12.065</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Tailoring microstructure and properties of CuZrAl(Nb) metallic-glass?crystal composites and nanocrystalline alloys obtained by flash-annealing

Popis výsledku v původním jazyce

Metallic-glass?crystal composites of Cu47.5Zr47.5Al5 and Cu10Zr7-reinforced Cu46.5Zr48Al4Nb1.5 nanocrystalline materials are obtained by flash-annealing of metallic-glass ribbons. In situ high-energy X-ray diffraction reveals the deformation mechanism of the alloys upon tensile loading. For the composites and nanocrystalline materials, a small remaining amount of the metallic glass and/or the presence of the Cu10Zr7 phase significantly increase the value of yield stress while maintaining good tensile ductility. In general, the obtained materials exhibit a reversible martensitic transformation (MT) between the B2 CuZr and B19?/B33 phases during tensile loading and unloading. However, the reversibility of MT depends on the alloy composition, crystalline phases, and the number of (un)loading cycles. Serrated-like fluctuations on tensile stress-strain curves and a sign of twinning in the Cu10Zr7 crystals are found after yielding in the Cu10Zr7-reinforced Cu46.5Zr48Al4Nb1.5 nanocrystalline materials. Electrochemical measurements show that Cu46.5Zr48Al4Nb1.5 nanocrystalline material has good corrosion resistance in NaCl and H2SO4 solutions, even better than the parent metallic glasses in some aspects.

Název v anglickém jazyce

Tailoring microstructure and properties of CuZrAl(Nb) metallic-glass?crystal composites and nanocrystalline alloys obtained by flash-annealing

Popis výsledku anglicky

Metallic-glass?crystal composites of Cu47.5Zr47.5Al5 and Cu10Zr7-reinforced Cu46.5Zr48Al4Nb1.5 nanocrystalline materials are obtained by flash-annealing of metallic-glass ribbons. In situ high-energy X-ray diffraction reveals the deformation mechanism of the alloys upon tensile loading. For the composites and nanocrystalline materials, a small remaining amount of the metallic glass and/or the presence of the Cu10Zr7 phase significantly increase the value of yield stress while maintaining good tensile ductility. In general, the obtained materials exhibit a reversible martensitic transformation (MT) between the B2 CuZr and B19?/B33 phases during tensile loading and unloading. However, the reversibility of MT depends on the alloy composition, crystalline phases, and the number of (un)loading cycles. Serrated-like fluctuations on tensile stress-strain curves and a sign of twinning in the Cu10Zr7 crystals are found after yielding in the Cu10Zr7-reinforced Cu46.5Zr48Al4Nb1.5 nanocrystalline materials. Electrochemical measurements show that Cu46.5Zr48Al4Nb1.5 nanocrystalline material has good corrosion resistance in NaCl and H2SO4 solutions, even better than the parent metallic glasses in some aspects.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

<a href="/cs/project/LM2023066" target="_blank" >LM2023066: Nanomateriály a nanotechnologie pro ochranu životního prostředí a udržitelnou budoucnost</a><br>

Návaznosti

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

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Journal of Materials Science &amp; Technology

ISSN

1005-0302

e-ISSN

1941-1162

Svazek periodika

193

Číslo periodika v rámci svazku

Není uveden

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

14

Strana od-do

253-266

Kód UT WoS článku

001218511100001

EID výsledku v databázi Scopus

2-s2.0-85189151517