Tuning the microstructure for superb corrosion resistance in eutectic high entropy alloy

S Shuang, Q Yu, X Gao, QF He, JY Zhang… - Journal of Materials …, 2022 - Elsevier
In this work, we demonstrate that the corrosion resistance of the FeCrNiCoNb 0.5 eutectic
high entropy alloy (EHEA) can be tuned by controlling the size of its eutectic structure …

Point defect model for passivity breakdown on hyper-duplex stainless steel 2707 in solutions containing bromide at different temperatures

L Sun, T Zhao, J Qiu, Y Sun, K Li, H Zheng, Y Jiang… - Corrosion …, 2022 - Elsevier
Passivity breakdown on HDSS 2707 has been studied and the electrochemical data are
interpreted in terms of the Point Defect Model. Pitting parameters of HDSS 2707 are …

[HTML][HTML] Thickness and composition of native oxides and near-surface regions of Ni superalloys

A Larsson, G D'Acunto, M Vorobyova… - Journal of Alloys and …, 2022 - Elsevier
The surface chemistry and thickness of the native oxide, hydroxide, and modified sub-
surface layer of three Ni superalloys (alloy 59, 625, and 718) were determined by …

Beneficial and detrimental impacts of molybdate on corrosion resistance of steels in alkaline concrete pore solution with high chloride contamination

M Wu, J Shi - Corrosion Science, 2021 - Elsevier
This study focuses on the corrosion inhibition of molybdate on low-carbon (LC) steel and
10% Cr steel with high chloride contamination after the natural formation of passive films in …

[HTML][HTML] Understanding passive film degradation and its effect on hydrogen embrittlement of super duplex stainless steel–Synchrotron X-ray and electrochemical …

C Örnek, F Zhang, A Larsson, M Mansoor… - Applied Surface …, 2023 - Elsevier
The passive film stability on stainless steel can be affected by hydrogen absorption and lead
to microstructure embrittlement. This work shows that the absorption of hydrogen results in …

[HTML][HTML] The causation of hydrogen embrittlement of duplex stainless steel: Phase instability of the austenite phase and ductile-to-brittle transition of the ferrite phase …

C Örnek, M Mansoor, A Larsson, F Zhang, GS Harlow… - Corrosion …, 2023 - Elsevier
Various mechanisms have been proposed for hydrogen embrittlement of duplex stainless
steel, but the causation of hydrogen-induced material degradation has remained unclear …

Stability of passive film and pitting susceptibility of 2205 duplex stainless steel in CO2/H2S-containing geothermal environment

H Liu, Y Hua, S Shi, X Lin, A Neville, Y Wang, J Sun - Corrosion Science, 2023 - Elsevier
Stability of passive film of 2205 DSS in H 2 S-containing geothermal environments was
investigated by immersion test, HTHP electrochemical measurement, surface analysis …

Synchrotron XPS and electrochemical study of aging effect on passive film of Ni alloys

J Eidhagen, A Larsson, A Preobrajenski… - Journal of The …, 2023 - iopscience.iop.org
To investigate aging effect on the passive film of Ni23Cr15Mo and Ni22Cr9Mo3Nb,
synchrotron-based X-ray photoelectron spectroscopy (XPS) was used to analyze the …

Combined XPS/TEM study of the chemical composition and structure of the passive film formed on additive manufactured 17-4PH stainless steel

A Barroux, T Duguet, N Ducommun, E Nivet… - Surfaces and …, 2021 - Elsevier
The structure and chemical composition of the passive film formed on 17-4PH martensitic
stainless steel (MSS) manufactured by powder bed laser beam melting (LBM) were …

Study on corrosion behavior of (CuZnMnNi) 100− xSnx high-entropy brass alloy in 5 wt% NaCl solution

Y Lv, X Lang, Q Zhang, W Liu, Y Liu - Journal of Alloys and Compounds, 2022 - Elsevier
Abstract (CuZnMnNi) 100− x Sn x (x= 0, 4, at%) high-entropy brass alloys (HEBAs) were
prepared via mechanical alloying and hot-press sintering technology, the corrosion behavior …