Results 11 to 20 of about 15,700 (190)

Machine learning-driven synthesis of TiZrNbHfTaC5 high-entropy carbide

npj Computational Materials, 2023
Synthesis of high-entropy carbides (HEC) requires high temperatures that can be provided by electric arc plasma method. However, the formation temperature of a single-phase sample remains unknown.
Alexander Ya. Pak, Vadim Sotskov, Arina A. Gumovskaya, Yuliya Z. Vassilyeva, Zhanar S. Bolatova, Yulia A. Kvashnina, Gennady Ya. Mamontov, Alexander V. Shapeev, Alexander G. Kvashnin   +8 more
doaj   +1 more source

Composition Design and Tensile Properties of Additive Manufactured Low Density Hf-Nb-Ta-Ti-Zr High Entropy Alloys Based on Atomic Simulations

Materials, 2023
High-entropy alloy (HEA) is a new type of multi-principal alloy material and the Hf-Nb-Ta-Ti-Zr HEAs have attracted more and more attention from researchers due to their high melting point, special plasticity, and excellent corrosion resistance.
Zhuoheng Liang, Yiming Wu, Y. Miao, Wei Pan, Yong-zhong Zhang   +4 more
semanticscholar   +1 more source

Achieving ultra-broadband electromagnetic wave absorption in high-entropy transition metal carbides (HE TMCs)

Journal of Advanced Ceramics, 2022
Electronic devices pervade everyday life, which has triggered severe electromagnetic (EM) wave pollution. To face this challenge, developing EM wave absorbers with ultra-broadband absorption capacity is critically required.
Weiming Zhang, Huimin Xiang, Fu-Zhi Dai, Biao Zhao, Shijiang Wu, Yanchun Zhou   +5 more
doaj   +1 more source

Theoretical Investigation of Effects of Transition Elements on Phase Stabilities and Elastic Properties of the γ′ Phase in Co–V–Ta Superalloys

Frontiers in Materials, 2022
In order to improve the thermal stability and mechanical properties of W-free light-weight Co–V–Ta-based superalloys, the effects of alloying elements including Sc, Ti, Cr, Mn, Fe, Ni, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Hf, W, Re, Os, Ir, and Pt on γ′-Co3(V,
Youheng Chen, Cuiping Wang, Cuiping Wang, Chi Zhang, Chen Yang, Jiajia Han, Jiajia Han, Xingjun Liu, Xingjun Liu, Xingjun Liu   +9 more
doaj   +1 more source

Properties of high entropy borides synthesized via microwave-induced plasma

APL Materials, 2022
Microwave-induced plasma was used to anneal precursor powders containing five metal oxides with carbon and boron carbide as reducing agents, resulting in high entropy boride ceramics.
Bria Storr, Luke Moore, Kallol Chakrabarty, Zaheeruddin Mohammed, Vijaya Rangari, Cheng-Chien Chen, Shane A. Catledge   +6 more
doaj   +1 more source

Memristors Based on (Zr, Hf, Nb, Ta, Mo, W) High‐Entropy Oxides

Advanced Electronic Materials, 2021
Memristors have emerged as transformative devices to enable neuromorphic and in‐memory computing, where success requires the identification and development of materials that can overcome challenges in retention and device variability.
Minhyung Ahn, Yongmo Park, Seung Hwan Lee, S. Chae, Jihang Lee, J. Heron, E. Kioupakis, W. Lu, J. Phillips   +8 more
semanticscholar   +1 more source

Computational property predictions of Ta–Nb–Hf–Zr high-entropy alloys

Scientific Reports, 2021
Refractory high entropy alloys (R-HEAs) are becoming prominent in recent years because of their properties and uses as high strength and high hardness materials for ambient and high temperature, aerospace and nuclear radiation tolerance applications ...
Shashank Mishra, Soumyadipta Maiti, Beena Rai   +2 more
doaj   +1 more source

Fabrication and Characterization of Quinary High Entropy-Ultra-High Temperature Diborides

Ceramics, 2021
Due to their inherent chemical complexity and their refractory nature, the obtainment of highly dense and single-phase high entropy (HE) diborides represents a very hard target to achieve.
Simone Barbarossa, Roberto Orrù, Valeria Cannillo, Antonio Iacomini, Sebastiano Garroni, Massimiliano Murgia, Giacomo Cao   +6 more
doaj   +1 more source

The Effect of Scandium on the Structure, Microstructure and Superconductivity of Equimolar Sc-Hf-Nb-Ta-Ti-Zr Refractory High-Entropy Alloys

Materials, 2022
In this study, we investigate the scandium-containing Sc-Hf-Nb-Ta-Ti-Zr system of refractory high-entropy alloys (HEAs). Using the arc-melting method, we synthesized nine equimolar alloys (five 4-, three 5- and one 6-component), with all of them ...
Mitja Krnel, A. Jelen, S. Vrtnik, J. Luzar, D. Gačnik, P. Koželj, M. Wencka, A. Meden, Q. Hu, Sheng Guo, J. Dolinšek   +10 more
semanticscholar   +1 more source

Unveiling the Transporting Mechanism of (Ti_0.2Zr_0.2Nb_0.2Hf_0.2Ta_0.2)C at Room Temperature

Crystals, 2023
High-entropy materials have been widely researched in recent years, and more work on their thermal and electrical properties is still needed. Herein, we fabricate a high-entropy carbide (Ti0.2Zr0.2Nb0.2Hf0.2Ta0.2)C ceramic and report the thermal and ...
Tao Liu, Liwen Lei, Jinyong Zhang, Neng Li   +3 more
doaj   +1 more source