Mapping the world of complex concentrated alloys
Sign Up to like & getrecommendations! Published in 2017 at "Acta Materialia"
DOI: 10.1016/j.actamat.2017.06.027
Abstract: This work explores the mechanical properties of high entropy alloys (HEAs) and complex concentrated alloys (CCAs) by comparing them with commercially available engineering alloys including industry-standard aerospace alloys. To reach this goal we have developed… read more here.
Keywords: ccas; temperature; concentrated alloys; room temperature ... See more keywords
High temperature strength of refractory complex concentrated alloys
Sign Up to like & getrecommendations! Published in 2019 at "Acta Materialia"
DOI: 10.1016/j.actamat.2019.06.032
Abstract: ABSTRACT Thermodynamic and mechanical properties of 15 single-phase and 11 multi-phase refractory complex concentrated alloys (RCCAs) are reported. Using the CALPHAD approach, phase diagrams for these alloys are calculated to identify the solidus (melting, T… read more here.
Keywords: refractory complex; complex concentrated; concentrated alloys; strength ... See more keywords
Metastability driven hierarchical microstructural engineering: Overview of mechanical properties of metastable complex concentrated alloys
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.155625
Abstract: Abstract Complex concentrated alloys (CCAs) extend the compositional paradigm shift of high entropy alloys (HEAs) to new microstructural opportunities. CCAs provide opportunities for tunable performance by manipulating deformation mechanisms. Fe–Mn–Co–Cr–Si alloys exhibit potential for a… read more here.
Keywords: concentrated alloys; transformation; metastability driven; driven hierarchical ... See more keywords
Fluctuations in local shear-fault energy produce unique and dominating strengthening in metastable complex concentrated alloys
Sign Up to like & getrecommendations! Published in 2023 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2209188120
Abstract: Significance Complex concentrated alloys (CCAs) with multi elements in equiatomic ratios are exotic alloys but what governs their strength is currently not clearly understood. This work has proven the prime origin of strength in CCAs… read more here.
Keywords: ccas; fault energy; concentrated alloys; complex concentrated ... See more keywords
Influence of temperature and alloying elements on the threshold displacement energies in concentrated Ni–Fe–Cr alloys
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abf10d
Abstract: Concentrated solid-solution alloys (CSAs) have demonstrated promising irradiation resistance depending on their compositions. Under irradiation, various defects can be produced. One of the most important parameters characterizing the defect production and the resulting defect number… read more here.
Keywords: threshold displacement; influence; alloying elements; temperature ... See more keywords
Cold Spray Coatings of Complex Concentrated Alloys: Critical Assessment of Milestones, Challenges, and Opportunities
Sign Up to like & getrecommendations! Published in 2023 at "Coatings"
DOI: 10.3390/coatings13030538
Abstract: Complex concentrated alloys (CCAs) are structural and functional materials of the future with excellent mechanical, physical, and chemical properties. Due to the equiatomic compositions of these alloys, cost can hinder scalability. Thus, the development of… read more here.
Keywords: concentrated alloys; cca based; cold spray; based coatings ... See more keywords
Phase, Composition and Structure Changes of CoCrNi-Based Concentrated Alloys Resulting from High Temperature Oxidation
Sign Up to like & getrecommendations! Published in 2020 at "Materials"
DOI: 10.3390/ma13102276
Abstract: In this work, CoCrNi, FeCoCrNi and CoCrFeMnNi concentrated alloys with a Y-Ti oxide particle dispersion were prepared by mechanical alloying and Spark Plasma Sintering. The alloy consists of an FCC Ni-based matrix with a Y-Ti… read more here.
Keywords: structure changes; oxidation; phase composition; composition structure ... See more keywords
On the Microstructure and Properties of Nb-Ti-Cr-Al-B-Si-X (X = Hf, Sn, Ta) Refractory Complex Concentrated Alloys
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14247615
Abstract: We studied the effect of the addition of Hf, Sn, or Ta on the density, macrosegregation, microstructure, hardness and oxidation of three refractory metal intermetallic composites based on Nb (RM(Nb)ICs) that were also complex concentrated… read more here.
Keywords: refractory complex; microstructure properties; complex concentrated; properties refractory ... See more keywords