Oxidation of multicomponent two-phase alloys

F Gesmundo, B Gleeson - Oxidation of Metals, 1995 - Springer
The high-temperature corrosion behavior of two-phase alloys presents a number of
differences compared to that of single-phase alloys. These differences are mainly a …

Revisiting stress-corrosion cracking and hydrogen embrittlement in 7xxx-Al alloys at the near-atomic-scale

M López Freixes, X Zhou, H Zhao, H Godin… - Nature …, 2022 - nature.com
The high-strength 7xxx series aluminium alloys can fulfil the need for light, high strength
materials necessary to reduce carbon-emissions, and are extensively used in aerospace for …

Comparative study on the initial oxidation behavior of conventional and nanocrystalline MCrAlY coatings-effect of microstructure evolution and dynamic mechanisms

Z Zhao, J Wang, M Chen, J Zhang, F Wang, DJ Young - Acta Materialia, 2022 - Elsevier
Two MCrAlY coatings with the same nominal composition but different microstructures are
prepared by magnetron sputtering (MS) and arc ion plating (AIP). Their oxidation at 1000° C …

Y/Hf-doped AlCoCrFeNi high-entropy alloy with ultra oxidation and spallation resistance

J Lu, Y Chen, H Zhang, N Ni, L Li, L He, R Mu, X Zhao… - Corrosion …, 2020 - Elsevier
In this study, we report a type of ultra oxidation and spallation resistant Y/Hf-doped
AlCoCrFeNi high-entropy alloy (HEA). The alloy exhibits a significantly lower oxidation rate …

Effect of Al content on the oxidation behavior of Y/Hf-doped AlCoCrFeNi high-entropy alloy

J Lu, Y Chen, H Zhang, L Li, L Fu, X Zhao, F Guo… - Corrosion science, 2020 - Elsevier
In this study, three types of Y/Hf-doped AlCoCrFeNi high-entropy alloys (HEAs) with different
Al content were manufactured and their oxidation behavior at 1100° C was systematically …

Alloy design strategies for promoting protective oxide-scale formation

MP Brady, IG Wright, B Gleeson - Jom, 2000 - Springer
This article discusses general strategies for designing alloys to form protective oxide scales.
Approaches based on classical alloyoxidation theories work reasonably well for single …

Y-doped AlCoCrFeNi2. 1 eutectic high-entropy alloy with excellent oxidation resistance and structure stability at 1000° C and 1100° C

J Lu, H Zhang, Y Chen, L Li, X Liu, W Xiao, N Ni… - Corrosion …, 2021 - Elsevier
In this study, the oxidation behavior of AlCoCrFeNi 2.1 eutectic high entropy alloy (EHEA)
with/without Y doping at 1000° C and 1100° C was reported. The doping of minor Y is crucial …

Effect of synergistic variation in Ti and Zr elements on the microstructure and properties of laser cladding AlCoCrFeNi high-entropy alloy coatings

Q Ma, W Zhao, C Shi, M Wang, C Song, H Zhang… - Materials …, 2023 - Elsevier
AlCoCrFeNiTi 1-x Zr x (x= 0, 0.25, 0.5, 0.75, and 1.0) high-entropy alloy coatings were
prepared on the surface of 45# steel by laser cladding, and the results showed that the …

Y-Hf co-doped Al1. 1CoCr0. 8FeNi high-entropy alloy with excellent oxidation resistance and nanostructure stability at 1200° C

J Lu, H Zhang, L Li, A Huang, X Liu, Y Chen, X Zhang… - Scripta Materialia, 2021 - Elsevier
A new type of Y-Hf co-doped Al 1.1 CoCr 0.8 FeNi high-entropy alloy (HEA) with a coherent
nanostructure and its oxidation behavior at 1200° C are reported in this work. The …

Improvement in the oxidation resistance of Nb-Si based alloy by selective laser melting

Y Guo, L Jia, B Kong, F Zhang, J Liu, H Zhang - Corrosion Science, 2017 - Elsevier
Abstract Nb-18Si-24Ti-2Cr-2Al-2Hf (at.%) alloy was fabricated by selective laser melting
(SLM). Results showed that an ultra-fined microstructure was achieved by SLM. After …