High entropy alloys: A focused review of mechanical properties and deformation mechanisms

EP George, WA Curtin, CC Tasan - Acta Materialia, 2020‏ - Elsevier
The high-entropy alloy (HEA) concept was based on the idea that high mixing entropy can
promote formation of stable single-phase microstructures. During the past 15 years, various …

Development and exploration of refractory high entropy alloys—A review

ON Senkov, DB Miracle, KJ Chaput… - Journal of materials …, 2018‏ - cambridge.org
Open literature publications, in the period from 2010 to the end of January 2018, on
refractory high entropy alloys (RHEAs) and refractory complex concentrated alloys (RCCAs) …

Enhanced strength–ductility synergy in ultrafine-grained eutectic high-entropy alloys by inheriting microstructural lamellae

P Shi, W Ren, T Zheng, Z Ren, X Hou, J Peng… - Nature …, 2019‏ - nature.com
Realizing improved strength–ductility synergy in eutectic alloys acting as in situ composite
materials remains a challenge in conventional eutectic systems, which is why eutectic high …

A review on fundamental of high entropy alloys with promising high–temperature properties

J Chen, X Zhou, W Wang, B Liu, Y Lv, W Yang… - Journal of Alloys and …, 2018‏ - Elsevier
High entropy alloys (HEAs) have five or more principal elements with four core effects: high
entropy, sluggish diffusion, severe lattice distortion, and cocktail effects. These effects lead to …

Natural-mixing guided design of refractory high-entropy alloys with as-cast tensile ductility

S Wei, SJ Kim, J Kang, Y Zhang, Y Zhang, T Furuhara… - Nature Materials, 2020‏ - nature.com
Metallic alloys containing multiple principal alloying elements have created a growing
interest in exploring the property limits of metals and understanding the underlying physical …

Mechanical instability and tensile properties of TiZrHfNbTa high entropy alloy at cryogenic temperatures

S Wang, M Wu, D Shu, G Zhu, D Wang, B Sun - Acta Materialia, 2020‏ - Elsevier
The equiatomic TiZrHfNbTa alloy is one of the few refractory high entropy alloys that exhibit
tensile ductility at room temperature, the deformation of which is only dominated by …

Alloy design for intrinsically ductile refractory high-entropy alloys

S Sheikh, S Shafeie, Q Hu, J Ahlström… - Journal of applied …, 2016‏ - pubs.aip.org
Refractory high-entropy alloys (RHEAs), comprising group IV (Ti, Zr, Hf), V (V, Nb, Ta), and
VI (Cr, Mo, W) refractory elements, can be potentially new generation high-temperature …

[HTML][HTML] High entropy alloys–Tunability of deformation mechanisms through integration of compositional and microstructural domains

RS Mishra, RS Haridas, P Agrawal - Materials Science and Engineering: A, 2021‏ - Elsevier
The paradigm shift of alloying approach that led to high entropy alloys (HEAs) is now well
established. Although the initial years were dominated by equiatomic approach, recent …

Microstructures and mechanical properties of TixNbMoTaW refractory high-entropy alloys

ZD Han, HW Luan, X Liu, N Chen, XY Li, Y Shao… - Materials Science and …, 2018‏ - Elsevier
Refractory high-entropy alloys (RHEAs) are newly developed candidate materials for high-
temperature applications. Among the existing RHEAs, NbMoTaW RHEA possesses the best …

Methods for improving ductility of tungsten-a review

C Ren, ZZ Fang, M Koopman, B Butler… - International Journal of …, 2018‏ - Elsevier
Pure tungsten and tungsten alloys with minor alloying additions are known to be brittle at
room temperature and have high ductile-to-brittle transition temperatures (DBTT). Improving …