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@article{2416037,
author = {Brož, Pavel and Vřešťál, Jan and Sopoušek, Jiří and Weiss, Karel and Bursik, Jiri and Buršíková, Vilma and Zadera, Antonin and Mueller, Peter and Cupera, Jan and Rogl, Gerda and Parzer, Michael and Bauer, Ernst and Michor, Herwig and Rogl, Peter F},
article_location = {Lausanne},
article_number = {JUL},
doi = {http://dx.doi.org/10.1016/j.jallcom.2024.174628},
keywords = {HEA; Phase equilibria; DSC; Physical properties; Density; Thermal expansion; Hardness},
language = {eng},
issn = {0925-8388},
journal = {Journal of Alloys and Compounds},
title = {High entropy alloys (FeCoNi) 0.75 Cr 0.25-x Cu x - thermal stability and physical properties},
url = {https://www.sciencedirect.com/science/article/pii/S0925838824012155?via%3Dihub},
volume = {993},
year = {2024}
}
TY - JOUR
ID - 2416037
AU - Brož, Pavel - Vřešťál, Jan - Sopoušek, Jiří - Weiss, Karel - Bursik, Jiri - Buršíková, Vilma - Zadera, Antonin - Mueller, Peter - Cupera, Jan - Rogl, Gerda - Parzer, Michael - Bauer, Ernst - Michor, Herwig - Rogl, Peter F
PY - 2024
TI - High entropy alloys (FeCoNi) 0.75 Cr 0.25-x Cu x - thermal stability and physical properties
JF - Journal of Alloys and Compounds
VL - 993
IS - JUL
SP - 174628
EP - 174628
PB - Elsevier Science
SN - 09258388
KW - HEA
KW - Phase equilibria
KW - DSC
KW - Physical properties
KW - Density
KW - Thermal expansion
KW - Hardness
UR - https://www.sciencedirect.com/science/article/pii/S0925838824012155?via%3Dihub
N2 - The paper reports on the phase stability of the (FeCoNi) 0.75 Cr 0.25-x Cu x HEA system with equimolar ratio of Fe, Co and Ni by differential scanning calorimetry (DSC) and measurements of physicochemical properties: density, electrical resistivity, Seebeck coefficient, thermal conductivity, and magnetic behaviour in a broad temperature region as well as hardness and elastic modulus at room temperature as a function of the gradual substitution of chromium by copper in a series of (FeCoNi) 0.75 Cr 0.25-x Cu x alloys with different mole fraction of Cu (x = 0, 0.05, 0.1, 0.15 and 0.2). DSC measurements showed that all alloys are thermally stable. Increasing content of Cu was found (i) to increase the formation of a fcc Cu-rich phase, (ii) to strengthen ferromagnetic interactions, resulting in rising ordered magnetic moments, as well as in growing ferromagnetic transition temperatures, and (iii) to distinctly change physical properties like electrical resistivity, thermal expansion, and mechanical properties. Experimental data regarding the phase stability are supported by CALPHAD calculations.
ER -
BROŽ, Pavel, Jan VŘEŠŤÁL, Jiří SOPOUŠEK, Karel WEISS, Jiri BURSIK, Vilma BURŠÍKOVÁ, Antonin ZADERA, Peter MUELLER, Jan CUPERA, Gerda ROGL, Michael PARZER, Ernst BAUER, Herwig MICHOR a Peter F ROGL. High entropy alloys (FeCoNi) 0.75 Cr 0.25-x Cu x - thermal stability and physical properties. \textit{Journal of Alloys and Compounds}. Lausanne: Elsevier Science, 2024, roč.~993, JUL, s.~174628-174638. ISSN~0925-8388. Dostupné z: https://dx.doi.org/10.1016/j.jallcom.2024.174628.
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