Electrochemical surface modification of Al8Co19Cr23Fe32Ni18 in H2SO4: A high-entropy alloy with high pitting corrosion resistance and high oxidation resistance

L Pao, M Nishimoto, I Muto, Y Sugawara - Materials Transactions, 2023 - jstage.jst.go.jp
Abstract An Al 8 Co 19 Cr 23 Fe 32 Ni 18 high-entropy alloy with a solid solution of Al was
prepared, and its pitting corrosion resistance in 0.1 M NaCl and high-temperature oxidation …

Corrosion-resistant sintered stainless steels with non-equilibrium Mo-rich phases

H Saito, I Muto, M Nishimoto, Y Sugawara - Materials Today …, 2022 - Elsevier
As corrosion-resistant alloys with non-equilibrium metallurgical structures, stainless steels
containing Mo-rich areas were fabricated by sintering Type 304 L and Mo powders. The …

[HTML][HTML] Electrochemical properties of MnSe inclusions and improving the pitting corrosion resistance of stainless steel via Se microalloying

M Nishimoto, T Katsuyama, I Muto - Scientific Reports, 2024 - nature.com
Controlling the electrochemical properties of non-metallic inclusions is of substantial interest
in the design of corrosion-resistant alloys. To the best of our knowledge, the dissolution and …

Role of Cu in corrosion resistance of CoCrCuFeNi medium-entropy alloys: Importance of compositional change and thickening of oxide films

M Kato, M Nishimoto, I Muto, Y Sugawara - Corrosion Science, 2023 - Elsevier
In oxide films on CoCrCuFeNi medium-entropy alloys with Cu contents of 0–‍5 at%, Cu
existed as CuO, and the concentration increased with increasing Cu content in the alloys …

[PDF][PDF] Microstructure, mechanical properties, and corrosion performance of additively manufactured CoCrFeMnNi high-entropy alloy before and after heat treatment

R Savinov, J Shi - Mater Sci Addit Manuf, 2023 - api-journal.accscience.com
Equiatomic CoCrFeMnNi, one of the well-known high-entropy alloys, possesses attractive
mechanical properties for many potential applications. In this research, the effects of heat …

Effect of C content and annealing on dendrite structure evolution and corrosion resistance of CoCrFeMnNi alloys

F Zhu, C Wu, Y Liu, H Peng, X Zhu, X Su - Journal of Alloys and …, 2024 - Elsevier
In this study, a series of CoCrFeMnNiC x (0–0.8 at% C) high-entropy alloys (HEAs) were
prepared by vacuum arc melting and subsequently vacuum annealed at 800° C or 1000° C …

Difference in the Precursory Process of the Intergranular Corrosion of Aged Al-Cu and Al-Cu-Mg Alloys in 0.1 M NaCl

H Yoshida, M Nishimoto, I Muto… - Journal of The …, 2023 - iopscience.iop.org
Real-time in situ optical microscopy observations of the initiation behavior of intergranular
corrosion on artificially aged Al-4.5 Cu and Al-4.5 Cu-1.5 Mg were performed in naturally …