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| 001 | 329023 | ||
| 005 | 20250717103429.0 | ||
| 024 | 7 | _ | |a 10.1063/1.4984796 |2 doi |
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| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Ahmad, Azkar S. |0 P:(DE-H253)PIP1026691 |b 0 |
| 245 | _ | _ | |a Structural stability of high entropy alloys under pressure and temperature |
| 260 | _ | _ | |a Melville, NY |c 2017 |b American Inst. of Physics |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a The stability of high-entropy alloys (HEAs) is a key issue before their selection for industrial appli-cations. In this study,in-situhigh-pressure and high-temperature synchrotron radiation X-raydiffraction experiments have been performed on three typical HEAs Ni$_{20}$Co$_{20}$Fe$_{20}$Mn$_{20}$Cr$_{20}$,Hf$_{25}$Nb$_{25}$Zr$_{25}$Ti$_{25}$, and Re$_{25}$Ru$_{25}$Co$_{25}$Fe$_{25}$(at. %), having face-centered cubic (fcc), body-centeredcubic (bcc), and hexagonal close-packed (hcp) crystal structures, respectively, up to the pressure of80 GPa and temperature of1262 K. Under the extreme conditions of the pressure and tempera-ture, all three studied HEAs remain stable up to the maximum pressure and temperatures achieved.For these three types of studied HEAs, the pressure-dependence of the volume can be welldescribed with the third order Birch-Murnaghan equation of state. The bulk modulus and itspressure derivative are found to be 88.3 GPa and 4 for bcc-Hf$_{25}$Nb$_{25}$Zr$_{25}$Ti$_{25}$, 193.9 GPa and5.9 for fcc-Ni$_{20}$Co$_{20}$Fe$_{20}$Mn$_{20}$Cr$_{20}$, and 304.6 GPa and 3.8 for hcp-Re25Ru25Co25Fe25HEAs,respectively. The thermal expansion coefficient for the three studied HEAs is found to be in theorder as follows: fcc-Ni$_{20}$Co$_{20}$Fe$_{20}$Mn$_{20}$Cr$_{20}$ > bcc-Hf$_{25}$Nb$_{25}$Zr$_{25}$Ti$_{25}$hcp-Re$_{25}$Ru$_{25}$Co$_{25}$Fe$_{25}$. |
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| 700 | 1 | _ | |a Su, Y. |b 1 |
| 700 | 1 | _ | |a Liu, S. Y. |b 2 |
| 700 | 1 | _ | |a Ståhl, K. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Wu, Y. D. |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Hui, X. D. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Ruett, Uta |0 P:(DE-H253)PIP1005730 |b 6 |
| 700 | 1 | _ | |a Gutowski, O. |0 P:(DE-H253)PIP1007064 |b 7 |
| 700 | 1 | _ | |a Glazyrin, K. |0 0000-0002-5296-9265 |b 8 |
| 700 | 1 | _ | |a Liermann, H. P. |0 P:(DE-H253)PIP1007496 |b 9 |
| 700 | 1 | _ | |a Franz, H. |0 P:(DE-H253)PIP1005928 |b 10 |
| 700 | 1 | _ | |a Wang, H. |b 11 |
| 700 | 1 | _ | |a Wang, X. D. |0 0000-0002-1400-4999 |b 12 |
| 700 | 1 | _ | |a Cao, Q. P. |0 P:(DE-HGF)0 |b 13 |
| 700 | 1 | _ | |a Zhang, D. X. |0 P:(DE-HGF)0 |b 14 |
| 700 | 1 | _ | |a Jiang, J. Z. |0 P:(DE-H253)PIP1007393 |b 15 |e Corresponding author |
| 773 | _ | _ | |a 10.1063/1.4984796 |g Vol. 121, no. 23, p. 235901 - |0 PERI:(DE-600)1476463-5 |n 23 |p 235901 |t Journal of applied physics |v 121 |y 2017 |x 1089-7550 |
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