Preparation of (Ti, Zr, Hf, Nb, Ta) C high-entropy carbide ceramics through carbosilicothermic reduction of oxides

P Istomin, E Istomina, A Nadutkin, V Grass… - Journal of the European …, 2021 - Elsevier
Fully dense high-entropy carbide (HEC) ceramic has been prepared from a mixture of the
group IV and V transition metal oxides by a two-step technique, which involved the vacuum …

Synthesis and characterization of (Zr1/3Nb1/3Ti1/3)C metal carbide solid‐solution ceramic

B Ye, Y Chu, K Huang, D Liu - Journal of the American Ceramic …, 2019 - Wiley Online Library
Abstract (Zr1/3Nb1/3Ti1/3) C metal carbide solid‐solution ceramic has been successfully
fabricated by hot pressing sintering at 2473 K using ZrC, NbC, and TiC powders as raw …

Polymer-derived Ta4HfC5 nanoscale ultrahigh-temperature ceramics: Synthesis, microstructure and properties

Y Lu, Y Sun, T Zhang, F Chen, L Ye, T Zhao - Journal of the European …, 2019 - Elsevier
Abstract Nanoscale Ta 4 HfC 5 ceramics were synthesized from curing and pyrolysis of
novel polymer precursors which were synthesized by cohydrolysis and polycondensation of …

Preparation and Characterization of UltraHigh‐Temperature Ternary Ceramics Ta4HfC5

J Jiang, S Wang, W Li - Journal of the American Ceramic …, 2016 - Wiley Online Library
Tantalum hafnium carbide (Ta4HfC5) powders were synthesized by solvothermal treatment
and carbothermal reduction reactions from an inorganic hybrid. Tantalum pentachloride …

Consolidation and mechanical properties of hot pressed TaC-HfC-VC composites

F Rezaei, MG Kakroudi, V Shahedifar, NP Vafa - Ceramics International, 2017 - Elsevier
The need to improve the extremely high melting temperature materials used in hypersonic
applications, has led to the search for ultra-high temperature ceramics (UHTCs) such as TaC …

Consolidation and characterization of highly dense single‐phase Ta–Hf–C solid solution ceramics

J Zhang, S Wang, W Li - Journal of the American Ceramic …, 2019 - Wiley Online Library
Abstract Herein, Ta–Hf–C solid solution ceramics were consolidated from nano‐scale Ta–Hf–
C solid solution powders for the first time. Four different compositions (4TaC–1HfC, 1TaC …

Low‐temperature reactive hot‐pressing of Ta0.2Hf0.8C–SiC ceramics at 1700°C

Y Qin, D Ni, B Chen, J Lu, F Cai, X Zou… - Journal of the …, 2023 - Wiley Online Library
Temperature above 2000° C and additional pressure is generally required to achieve the full
densification of TaxHf1− xC‐based ceramics. This work proposed a novel method to …

Effect of direct current patterns on densification and mechanical properties of binderless tungsten carbides fabricated by the spark plasma sintering system

W Tang, L Zhang, J Zhu, Y Chen, W Tian… - International Journal of …, 2017 - Elsevier
Binderless tungsten carbide materials (bWCs) were fabricated by the spark plasma sintering
(SPS) system. Ultrafine WC powders with adjusted oxygen contents and C/W atomic ratios …

Sol–Gel Synthesis of Highly Dispersed Tantalum Hafnium Carbide Ta4HfC5

EP Simonenko, NP Simonenko, MI Petrichko… - Russian Journal of …, 2019 - Springer
Powders of nanocrystalline carbide Ta 4 HfC 5 were produced by the sol–gel synthesis of a
finely divided Ta 2 O 5–HfO 2–C composite powder (with tantalum pentaamyloxide and …

Synergistic effect of carbon nanotube as sintering aid and toughening agent in spark plasma sintered molybdenum disilicide-hafnium carbide composite

B Mukherjee, OSA Rahman, M Sribalaji… - Materials Science and …, 2016 - Elsevier
Hafnium carbide (HfC) along with sintering aids was consolidated at a relatively lower
temperature ie 1600° C (ie T=~ 0.41 T m) under a uniaxial load of 50 MPa by spark plasma …