Results 11 to 20 of about 51,152 (304)

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

Metals, 2022
Tribocorrosion behaviours of nickel (Ni) and niobium (Nb) in sodium sulfate (Na2SO4) solution under potentiodynamic and potentiostatic conditions were studied.
Renpeng Zhang, Zhongwei Wang, Yanlong Ma, Yu Yan, Lijie Qiao   +4 more
doaj   +2 more sources

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

Journal 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, Yafei Du, Siyao Chen, Yongsheng Ren, Yulong Ma   +4 more
doaj   +3 more sources

Study on corrosion resistance of passive film promoted by natural rosin-based passive sealant

Journal of Materials Research and Technology
An eco-friendly Rosin-based passive sealant is prepared, which can seal the micropores and repair the passive film in one-step. Sealing performance of sealants and the growth kinetics of the passive film were analyzed by 3D-XRT tomography ...
Guangyu Wang, Zehua Zhou, Kaicheng Zhang, Lintao Wu, Xiangru Shi, Xin Zhang   +5 more
doaj   +2 more sources

Influence of hydrostatic pressure on the passive film of titanium alloy

Journal of Materials Research and Technology
The effect of hydrostatic pressure on the corrosion behavior and failure mechanism of Ti–6Al–4V in simulated deep-sea environments has been investigated through microstructure analysis and in-situ electrochemical measurements.
Wentao Li, Yiwei Guo, Wei Liu, Yinghua Yang, Yunan Zhang, Feifei Huang, Lei Wen, Dongbai Sun   +7 more
doaj   +2 more sources

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

Scientific 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, S. X. Qin, B. J. Yang, D. Liang, L. J. Qiao   +4 more
doaj   +2 more sources

Growth Regularity and Performance of Steel Reinforcement Passive Film Under Electric Field

Buildings
Steel reinforcement undergoes passivation in the alkaline environment of concrete, resulting in the spontaneous formation and growth of a protective passive film.
Lianfang Sun, Pangang Wu, Wenshan Peng, Hong Fan, Jinze Li, Li Ma, Zihao Wei   +6 more
doaj   +2 more sources

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

Journal 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, Yu Gao, Kai Chong, Yongang Zhang, Yong Zou, Fuqiang Guo   +5 more
doaj   +1 more source

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

International 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

npj 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, Zhile Yang, Alfred Larsson, Huajie Tang, Stephan Appelfeller, Birhan Sefer, Alexei Preobrajenski, Jun Li, Lei Zhang, Jinshan Pan   +9 more
doaj   +1 more source

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

Journal 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, Hyung-Ki Park, Chang-Soo Park, Kwangsuk Park   +3 more
doaj   +1 more source