Recent research progress on the passivation and selective oxidation for the 3d-transition-metal and refractory multi-principal element alloys

Z Wang, Y Yan, Y Wu, Y Zhang, X Zhao, Y Su… - npj Materials …, 2023 - nature.com
The wide range of alloy composition controllability for multi-principal element alloys
(MPEAs) may provide a great opportunity for discovering special forms of surface oxides to …

Insights into the passivity and electrochemistry of CoCrFeMnNi high entropy alloy fabricated by underwater laser direct metal deposition

M Chen, Z Jia, Z Wang, C **ang, J Pu, G Sun, EH Han - Corrosion Science, 2024 - Elsevier
Underwater laser direct metal deposition (UDMD) was employed to deposit CoCrFeMnNi
High entropy alloy. The deposition layer exhibits a homogeneous microstructure with …

[HTML][HTML] Design of corrosion-resistant alloys for preventing oxidation-induced nanoscale Cr-depletion by inclusion engineering

KP Yu, H Jiang, XY Xu, MX Huang - Materials & Design, 2024 - Elsevier
Due to the preferential oxidation of Cr in various corrosion-resistant alloys, Cr-depletion
extensively forms around the oxides and impairs passivation ability. This harmful effect has …

Corrosion behavior of a compositionally complex alloy utilizing simultaneous Al, Cr, and Ti passivation

SB Inman, D Sur, J Han, K Ogle, JR Scully - Corrosion Science, 2023 - Elsevier
The corrosion behavior of the Al 0.3 Cr 0.5 Fe 2 Mn 0.25 Mo 0.15 Ni 1.5 Ti 0.3
compositionally complex dual-phase alloy was explored in a variety of electrolytes …

Passivation of Ni-Cr and Ni-Cr-Mo alloys in low and high pH sulfate solutions

K Lutton, J Han, HM Ha, D Sur… - Journal of The …, 2023 - iopscience.iop.org
The kinetics of passive oxide film formation, its thickening, and composition on Ni-22Cr and
Ni-22Cr-6Mo wt% alloys were investigated at selected anodic potentials. Experiments were …

The spontaneous passivation of (CoFeNi)(1-x)/3Crx alloys in sulfuric acid

C **e, J Han, J Tang, F Sun, K Ogle - Corrosion Science, 2024 - Elsevier
The influence of at% Cr on the spontaneous passivation of (CoFeNi)(1-x)/3 Cr x alloys in 0.1
MH 2 SO 4 was investigated. During spontaneous passivation, Cr enrichment occurs due to …

Mechanistic exploration of the exceptional corrosion resistance of the newly designed FeCoCrNiMoxNbx high-entropy alloys

J Duan, Z Jiang, F Huang, X Zhang, G Zhang - Journal of Materials Science …, 2025 - Elsevier
Corrosion would lead to the failure of materials during service, causing huge economic
losses and catastrophic accidents, particularly in chemical industries. In this work, a series of …

Underlying mechanism for the effects of composition and microstructure on the corrosion resistance of Al-based amorphous alloys: a review

DB Wang, SD Zhang, Q Wang, LM Zhang… - Critical Reviews in …, 2024 - Taylor & Francis
Al-based metallic glasses (MGs) effectively circumvent the longstanding tradeoff between
corrosion resistance and mechanical properties inherent in commercial Al alloys due to their …

[HTML][HTML] Passive behaviour of non-equiatomic NiCoCrTa multi-principal element alloys in dilute sulfuric acid

M Ouyang, J Pan, F Cai, X Ye, J Li, H Liu… - Journal of Materials …, 2023 - Elsevier
The passive behaviour of non-equiatomic multi-principal element alloys, Ni (58-x)
Co20Cr22Ta x (x= 0, 0.64, 1.64, 3.39 at.%), was investigated in 0.1 MH 2 SO 4 at 25° C by …

Selective oxidation and nickel enrichment hinders the repassivation kinetics of multi-principal element alloy surfaces

J Chen, Z Zhang, E Hershkovitz, J Poplawsky… - Acta Materialia, 2024 - Elsevier
Robust and sustained corrosion resistance in multi-principal element alloys (MPEA) requires
rapid repassivation, ie regrowth of the passive layer once it is damaged or destroyed at the …