Synthesis of high-entropy diboride TiZrNbHfTaB2 by vacuum-free direct current arc plasma method; International Journal of Refractory Metals and Hard Materials; Vol. 134

Synthesis of high-entropy diboride TiZrNbHfTaB2 by vacuum-free direct current arc plasma method; International Journal of Refractory Metals and Hard Materials; Vol. 134

書目詳細資料
Parent link:International Journal of Refractory Metals and Hard Materials.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 134.— 2026.— Article number 107417, 7 p.
其他作者: Pak A. Ya. Aleksandr Yakovlevich, Povalyaev P. V. Pavel Vadimovich, Vlasov A, V. Aleksey Vladimirovich, Gerasimov R. D. Roman Dmitrievich, Bolatova Zh. S. Zhanar Sanatovna, Svinukhova A. A. Arina Andreevna, Spodina A. V. Anastasiya Vyacheslavovna, Vasiljeva (Vassilyeva) Yu. Z. Yuliya Zakharovna
總結:Title screen
The study is the first to demonstrate the potential for synthesizing micro- and nanosized particles of high-entropy boride (HEB) TiZrNbHfTaB2 by vacuum-free electric arc method. Arcing induces the formation of carbon monoxide and carbon dioxide, providing a self-shielding effect of the reaction volume from atmospheric oxygen, which shifts the reaction towards boride formation. The synthesis product was identified as a solid solution with the AlB2-type hexagonal lattice, containing atoms of titanium, zirconium, niobium, hafnium, and tantalum. The lattice parameters of the HEB TiZrNbHfTaB2 phase were a = 3.1045 Å and c = 3.3775 Å. The analysis of the synthesis product revealed agglomerates of micron-sized particles consisting of individual particles, as well as nanosized particles. Bulk ceramic samples were fabricated by spark plasma sintering. The optimal sintering parameters were as follows: 2000 °C, 10 MPa, 5 min at a heating rate of 100 °C/min. Studies were conducted to determine the mechanical and thermophysical properties of the bulk HEB sample
Текстовый файл
AM_Agreement
語言:英语
出版: 2026
主題:
High-entropy diboride
Arc plasma
Direct current
Self-shielding effect
электронный ресурс
труды учёных ТПУ
在線閱讀:https://doi.org/10.1016/j.ijrmhm.2025.107417
格式: 電子 Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=682394

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