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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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