A review on the dynamic-mechanical behaviors of high-entropy alloys

Tang, Yu; Wang, Ruixin; Xiao, Bin; Zhang, Zhouran; Li, Shun; Qiao, Junwei; Bai, Shuxin; Zhang, Yong; Liaw, Peter K.

doi:10.1016/j.pmatsci.2023.101090

Cited by 133 publications

(8 citation statements)

References 220 publications

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“…HEAs also suggest excited fatigue [31] and wear [32] characteristics and all those mechanical properties are phase structure dependent. [33][34][35] HEAs even show promising physical performance, such as magnetic ordering, which is commonly derived from specific elements (Cu, Ti, Al, Co, Fe, etc.). [36] Some flexible magnetic properties have been reported in AlCo x Cr 1−x FeNi, [37] FeCoCrNiAlCu, [38] and Al x CoCrFeNi, [39] suggesting soft and hard magnetic component applications.…”

Section: Introductionmentioning

confidence: 99%

High-entropy alloys in thermoelectric application: A selective review

Ren 任,

Huo 霍,

Chen 陈

et al. 2024

Chinese Phys. B

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Since the superior mechanical, chemical and physical properties of high-entropy alloys (HEAs) were discovered, they have gradually become new emerging candidates for renewable energy applications. This review presents the novel applications of HEAs in thermoelectric energy conversion. Firstly, the basic concepts and structural properties of HEAs are introduced. Then, we discuss a number of promising thermoelectric materials based on HEAs. Finally, the conclusion and outlook are presented. This article presents an advanced understanding of the thermoelectric properties of HEAs, which provides new opportunities for promoting their applications in renewable energy.

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Section: Introductionmentioning

confidence: 99%

High-entropy alloys in thermoelectric application: A selective review

Ren 任,

Huo 霍,

Chen 陈

et al. 2024

Chinese Phys. B

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“…6 Representing one of the most rapidly developing directions in alloy research since the 21st century, HEAs challenge traditional alloy design paradigms and extend to the core of phase diagrams. 7,8 The multi-principal element design approach in HEAs results in an alloy system with significantly increased mixing entropy. This approach makes it ARTICLE pubs.aip.org/aip/adv challenging to control the formation of intermetallic compounds, which contain hard and brittle phases.…”

Section: Introductionmentioning

confidence: 99%

An investigation on the jet formation and penetration characteristics of the CuCoCrFeNi high-entropy alloy liner

Li,

Wang,

Tian

et al. 2024

AIP Advances

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This study performs a series of mechanical tests, quasi-static and dynamic, on CuCoCrFeNi high-entropy alloys (HEAs) using an experimental setup to explore the performance of Cu-based HEAs in shaped charges. It derives the parameters for the Johnson–Cook constitutive model through fitting. A static penetration test is conducted with a small cone angle and a thin-walled liner. The outcomes are then compared to simulation data generated by AUTODYN software. They indicated that the CuCoCrFeNi HEA liner can produce a shaped-charge jet that achieves both penetration and reaming effects when driven by explosives. In a C45 steel target, the diameter of the penetration hole is 46.43% of the charge diameter. The experimental findings align closely with the simulations, indicating discrepancies of less than 12.13% in the diameters of the penetration holes and ∼2.56% in penetration depths. Hence, the numerical simulation approach and its parameters can be utilized to investigate the penetration characteristics of Cu-based HEA jets, providing a groundwork for future optimization of HEA-shaped charge designs.

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“…Moreover, the overall diffusion process is strongly affected by metal precursors, reaction temperature, time, pH, etc. Conventional alloy metallurgy methods not only mostly involve high-temperature melting and annealing or dangerous reduction gases, but also often produce disordered alloys with uneven sizes and non-unitary compositions 16 , 17 . Bi-based bimetallic catalysts are emerging as fascinating materials with remarkable catalytic properties.…”

Section: Introductionmentioning

confidence: 99%

General synthesis and atomic arrangement identification of ordered Bi–Pd intermetallics with tunable electrocatalytic CO2 reduction selectivity

Guo,

Li,

Bai

et al. 2024

Nat Commun

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Intermetallic compounds (IMCs) with fixed chemical composition and ordered crystallographic arrangement are highly desirable platforms for elucidating the precise correlation between structures and performances in catalysis. However, diffusing a metal atom into a lattice of another metal to form a controllably regular metal occupancy remains a huge challenge. Herein, we develop a general and tractable solvothermal method to synthesize the Bi-Pd IMCs family, including Bi2Pd, BiPd, Bi3Pd5, Bi2Pd5, Bi3Pd8 and BiPd3. By employing electrocatalytic CO2 reduction as a model reaction, we deeply elucidated the interplay between Bi-Pd IMCs and key intermediates. Specific surface atomic arrangements endow Bi-Pd IMCs different relative surface binding affinities and adsorption configuration for *OCHO, *COOH and *H intermediate, thus exhibiting substantially selective generation of formate (Bi2Pd), CO (BiPd3) and H2 (Bi2Pd5). This work provides a comprehensive understanding of the specific structure-performance correlation of IMCs, which serves as a valuable paradigm for precisely modulating catalyst material structures.

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A review on the dynamic-mechanical behaviors of high-entropy alloys

Cited by 133 publications

References 220 publications

High-entropy alloys in thermoelectric application: A selective review

High-entropy alloys in thermoelectric application: A selective review

An investigation on the jet formation and penetration characteristics of the CuCoCrFeNi high-entropy alloy liner

General synthesis and atomic arrangement identification of ordered Bi–Pd intermetallics with tunable electrocatalytic CO2 reduction selectivity

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