Results 31 to 40 of about 32,641 (319)
New refractory high entropy alloys
IOP Conference Series: Materials Science and Engineering, 2019 Abstract The paper presents researches on the microstructure and mechanical properties of a new types of refractory high entropy alloys, which can be used for thermal engine components as well as for military incendiary bullet. The main characteristics required for such applications are high compression resistance, microstructural ...
I Voiculescu +7 more
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AIP Advances, 2023 The effect of minor additions of substitutional elements such as Al, Cu, Mn, and Fe on the room-temperature (RT) and elevated-temperature hardness of a single bcc phase Hf20Nb31Ta31Ti18 refractory high entropy alloy is studied here. Interestingly, 2.5 at.
Xiaolong Li +4 more
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Synthesis and corrosion behavior of Mo15Nb20Ta10Ti35V20 refractory high entropy alloy
Materials & Design, 2023 The Mo15Nb20Ta10Ti35V20 refractory high entropy alloy with BCC structure was prepared by vacuum arc melting. The synthesized Mo15Nb20Ta10Ti35V20 demonstrated better corrosion resistance compared to 316 stainless steel in chloride corrosion environment ...
Yu Gao +7 more
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High-entropy high-hardness metal carbides discovered by entropy descriptors [PDF]
, 2018 High-entropy materials have attracted considerable interest due to the combination of useful properties and promising applications. Predicting their formation remains the major hindrance to the discovery of new systems.
Brenner, Donald W. +8 more
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Effect of Ti on defects in Nb-Mo-Ta-W high-entropy alloy prepared by laser metal deposition
Journal of Aeronautical Materials, 2023 The Nb-Mo-Ta-W series refractory high-entropy alloys with composition recombination design were manufactured by laser metal deposition process. The phase structure, defects and microstructure of（NbMoTa）90W10 and（NbMoTaTi）90W10 high-entropy alloys were ...
LI Qingyu +5 more
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Design of Refractory High-Entropy Alloys
JOM, 2015 This report presents a design methodology for refractory high-entropy alloys with a body-centered cubic (bcc) structure using select empirical parameters (i.e., enthalpy of mixing, atomic size difference, Ω-parameter, and electronegativity difference) and CALPHAD approach.
M. C. Gao +5 more
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Microstructure and mechanical properties of sintered and heat-treated HfNbTaTiZr high entropy alloy [PDF]
, 2019 High entropy alloys (HEAs) have attracted researchers' interest in recent years. The aim of this work was to prepare the HfNbTaTiZr high entropy alloy via the powder metallurgy process and characterize its properties.
Kocich, Radim +5 more
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A review on High-Temperature Applicability: A milestone for high entropy alloys
Engineering Science and Technology, an International Journal, 2022 Due to the limitations of utilizing pure metals, several elements were combined to make an alloy in order to provide and improve certain features as needed for the application. The concept of alloy making has diversified over a thousand years.
Sheetal Kumar Dewangan +5 more
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Senary Refractory High-Entropy Alloy HfNbTaTiVZr
Metallurgical and Materials Transactions A, 2015 Discovery of new single-phase high-entropy alloys (HEAs) is important to understand HEA formation mechanisms. The present study reports computational design and experimental validation of a senary HEA, HfNbTaTiVZr, in a body-centered cubic structure. The phase diagrams and thermodynamic properties of this senary system were modeled using the CALPHAD ...
M. C. Gao, B. Zhang, S. Yang, S. M. Guo
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Heat storage in alloy transformations [PDF]
, 1981 The feasibility of using metal alloys as thermal energy storage media was determined. The following major elements were studied: (1) identification of congruently transforming alloys and thermochemical property measurements; (2) development of a precise ...
Birchenall, C. E. +5 more
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