Materials design for hypersonics

AB Peters, D Zhang, S Chen, C Ott, C Oses… - Nature …, 2024 - nature.com
Hypersonic vehicles must withstand extreme conditions during flights that exceed five times
the speed of sound. These systems have the potential to facilitate rapid access to space …

[HTML][HTML] A review on mechanical alloying and spark plasma sintering of refractory high-entropy alloys: Challenges, microstructures, and mechanical behavior

P Martin, C Aguilar, JM Cabrera - Journal of Materials Research and …, 2024 - Elsevier
Refractory high-entropy alloys (RHEAs) are promising candidates for those applications
requiring of strong materials at high temperatures with elevated thermal stability and …

A ductility criterion for bcc high entropy alloys

E Mak, B Yin, WA Curtin - Journal of the Mechanics and Physics of Solids, 2021 - Elsevier
A current goal driving alloy development is the identification of alloy compositions for high
temperature applications but with the additional requirement of sufficient ductility at ambient …

A ductility metric for refractory-based multi-principal-element alloys

P Singh, B Vela, G Ouyang, N Argibay, J Cui… - Acta Materialia, 2023 - Elsevier
We propose a quantum-mechanical dimensionless metric, the local-lattice distortion (LLD),
as a reliable predictor of ductility in refractory multi-principal-element alloys (RMPEAs). The …

[HTML][HTML] Recent progress in our understanding of phase stability, atomic structures and mechanical and functional properties of high-entropy alloys

H Inui, K Kishida, Z Chen - Materials Transactions, 2022 - jstage.jst.go.jp
This paper reviews a current trend and recent progress in research on phase stability,
atomic structures, mechanical and functional properties of high-entropy alloys. The survey is …

[HTML][HTML] HEAPS: A user-friendly tool for the design and exploration of high-entropy alloys based on semi-empirical parameters

P Martin, CE Madrid-Cortes, C Cáceres, N Araya… - Computer Physics …, 2022 - Elsevier
Abstract The High-Entropy Alloys Predicting Software (HEAPS)(available for download at
www. rpm. usm. cl) is a user-friendly and free tool conceived to explore and design high …

Effect of Zr on the as-cast microstructure and mechanical properties of lightweight Ti2VNbMoZrx refractory high-entropy alloys

T Li, J Miao, Y Lu, T Wang, T Li - … Journal of Refractory Metals and Hard …, 2022 - Elsevier
Refractory high-entropy alloys (RHEAs) have attracted extensive attention due to their
outstanding high-temperature performance. However, high density and poor ductility are the …

Correlations to improve room temperature ductility of refractory complex concentrated alloys

ON Senkov, DB Miracle, SI Rao - Materials Science and Engineering: A, 2021 - Elsevier
Room temperature tensile and compressive properties of refractory complex, concentrated
alloys (RCCAs) have been analyzed to explore correlations capable of anticipating ductility …

Navigating the BCC-B2 refractory alloy space: Stability and thermal processing with Ru-B2 precipitates

SA Kube, C Frey, C McMullin, B Neuman, KM Mullin… - Acta Materialia, 2024 - Elsevier
Refractory multi-principal element alloys (RMPEAs) could provide next-generation high
temperature alloys, but their ductility and high temperature strength need significant …