Effect of Cu and Cr addition on the structure,anticorrosion andnanomechanical properties of new Al-Ni-Fe-(Cr,Cu) alloys

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43928624" target="_blank" >RIV/60461373:22310/23:43928624 - isvavai.cz</a>

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S0925838823021424" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0925838823021424</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jallcom.2023.170839" target="_blank" >10.1016/j.jallcom.2023.170839</a>

Result language

angličtina

Original language name

Effect of Cu and Cr addition on the structure,anticorrosion andnanomechanical properties of new Al-Ni-Fe-(Cr,Cu) alloys

Original language description

This work used a thermodynamic approach to design and investigate new complex compositional Al-Ni-Fe-(Cr,Cu) alloys based on aluminum. This work tends to understand the change in microstructure during therapid solidification process and to evaluate the anticorrosion and nanomechanical properties of the developedalloys. Optimizing thermodynamic parameters such as configurational entropy and Gibbs free energy was usedto predict the chemical composition of the studied alloys. The samples were cooled in two ways. The ingotswere slowly cooled, while the plates were cast using fast cooling by the high-pressure die-casting method. Thepresence of a quasicrystalline decagonal phase D-Al71Ni24Fe5 was identified together with crystalline Al3Ni,Al3Ni2, and Al9Ni1.3Fe0.7 phases for the rapidly solidified Al72Ni24Fe4 alloy. The best electrochemical parameterswere observed for the Al72Ni24Fe2.5Cr1.5 alloy. The local galvanic microcells were formed in the studied alloysdue to large potential differences (&gt; 50 mV) between the Al-Ni and Al-Ni-Fe phases. The highest averageindentation hardness values were observed for Al72Ni24Fe4 (9.98 ± 1.75 GPa) after normal and rapid solidification. The higher ductility of the Al72Ni24Cr1.5Fe2.5 alloy compared to Al72Ni24Fe4 and Al72Ni24Cu1.5Fe2.5 couldbe confirmed by the lowest average hardness and Young’s modulus values.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20501 - Materials engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2023

Confidentiality

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

Name of the periodical

Journal of Alloys and Compounds

ISSN

0925-8388

e-ISSN

1873-4669

Volume of the periodical

960

Issue of the periodical within the volume

june

Country of publishing house

CH - SWITZERLAND

Number of pages

14

Pages from-to

1-14

UT code for WoS article

001141195900001

EID of the result in the Scopus database

2-s2.0-85162139124