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Effect of hydrogen on semiconductive properties of passive film on ferrite and austenite phases in a duplex stainless steel [PDF]

open access: yesScientific Reports, 2017
Hydrogen effect on semiconductivity and compositions of passive films formed on ferrite and austenite phases in a duplex stainless steel were investigated by current sensing atomic force microscopy and X-ray photoelectron spectroscopy. It is demonstrated
L. Q. Guo   +4 more
doaj   +2 more sources

Corrosion and passivation behavior of FeCoCrNiNbx eutectic high-entropy alloys in H2SO4 solution

open access: yesJournal of Materials Research and Technology, 2023
The bilayer structure passive films were formed on FeCoCrNiNbx alloy surfaces in 0.5 M H2SO4 solution. The inner film was denser and more protective.
Chang Liu   +5 more
doaj   +1 more source

Effect of Cationic/Anionic Diffusion Dominated Passive Film Growth on Tribocorrosion

open access: yesMetals, 2022
Tribocorrosion behaviours of nickel (Ni) and niobium (Nb) in sodium sulfate (Na2SO4) solution under potentiodynamic and potentiostatic conditions were studied.
Renpeng Zhang   +4 more
doaj   +1 more source

Effect of secondary passivation on corrosion behavior and semiconducting properties of passive film of 2205 duplex stainless steel

open access: yesJournal of Materials Research and Technology, 2021
The effects of secondary passivation on the electrochemical behavior of passive films on the surface of 2205 duplex stainless steel were studied by potentiodynamic polarization, EIS and Mott–Schottky analysis.
Guangming Yang   +4 more
doaj   +1 more source

Electrochemical investigations on formation and pitting susceptibility of passive films on iron and iron-based alloys

open access: yesInternational Journal of Electrochemical Science, 2007
This paper reviews recent research results on the formation and the pitting susceptibility of passive films formed on iron and iron-based alloys in neutral solutions, obtained in authors’ groups with electrochemical techniques including linear sweep ...
W. S. Li and J. L. Luo
doaj   +2 more sources

Effect of hydrogen on the passivation for ultra-thin 316 L SS foil

open access: yesnpj Materials Degradation, 2023
The reformation and characterisation of the passive film formed on ultra-thin 316 L after hydrogen charging is investigated by combining EBSD, TMDS, XRD, Synchrotron-based XPS, and electrochemical experiments.
Xiaoqi Yue   +9 more
doaj   +1 more source

Role of Ta in improving corrosion resistance of titanium alloys under highly reducing condition

open access: yesJournal of Materials Research and Technology, 2023
Great improvement on corrosion resistance was achieved by adding small amount of Ta into ASTM Gr13 titanium alloy. Main contribution to the improved corrosion resistance originated from the stabilized passive film in terms of the prolonged time to ...
Bosung Seo   +3 more
doaj   +1 more source

A comparative study on passive films of Fe–11Cr stainless steel and Fe–20Mn–11.5Al–1.4C–5Cr lightweight steel

open access: yesJournal of Materials Research and Technology, 2023
Fe–20Mn–11.5Al–1.4C–5Cr (wt%) lightweight stainless steel (LWSS) was found to have equivalent or better resistance to pitting corrosion than Fe–11Cr (wt%) stainless steel (SS).
Heon-Young Ha   +6 more
doaj   +1 more source

Influence of Chloride on Passive Film Chemistry of 304 Stainless Steel in Sulphuric Acid Solution by Glow Discharge Optical Emission Spectrometry Analysis

open access: yesInternational Journal of Electrochemical Science, 2017
The influence of chloride on passive film formed on 304 stainless steels (SS) in 0.2 M H2SO4 solution has been investigated by potentiostatic polarization experiments and glow discharge optical emission spectroscopy (GD-OES) analysis.
Saifu Deng   +4 more
doaj   +1 more source

Electronic properties of the passive films formed on CoCrFeNi and CoCrFeNiAl high entropy alloys in sodium chloride solution

open access: yesJournal of Materials Research and Technology, 2020
In the present work, the electronic properties of the passive films formed on equiatomic CoCrFeNi and CoCrFeNiAl high-entropy alloys were investigated in sodium chloride solution.
Camila Boldrini Nascimento   +3 more
doaj   +1 more source

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