Results 21 to 30 of about 4,193 (218)

Plasma electrolytic oxidation of tantalum [PDF]

Serbian Journal of Electrical Engineering, 2012
This paper is a review of our research on the plasma electrolytic oxidation (PEO) process of tantalum in 12-tungstosilicic acid. For the characterization of microdischarges during PEO, real-time imaging and optical emission spectroscopy (OES ...
Petković Marija, Stojadinović Stevan, Vasilić Rastko, Belča Ivan, Kasalica Bećko, Zeković Ljubiša   +5 more
doaj   +1 more source

Discharge Characteristics, Plasma Electrolytic Oxidation Mechanism and Properties of ZrO₂ Membranes in K₂ZrF₆ Electrolyte

Membranes, 2022
ZrO2 was coated on AZ31 magnesium alloy substrate by plasma electrolytic oxidation with K2ZrF6 and NaH2PO4 electrolytes. The discharge characteristics and variation in active species during the plasma electrolytic oxidation (PEO) process were studied by ...
Li Wang, Wen Fu, Guangkun Yi, Ziyang Chen, Zhitin Gao, Qingyu Pan   +5 more
doaj   +1 more source

Tribocorrosion Properties of PEO Coatings Produced on AZ91 Magnesium Alloy with Silicate- or Phosphate-Based Electrolytes [PDF]

, 2018
In this work, the tribocorrosion behavior of plasma electrolytic oxidation (PEO)-coated AZ91 samples was studied. In particular, two different coatings were produced and compared. One was obtained with an alkaline electrolyte containing sodium phosphate,
Brunelli, Katya, Dabala', Manuele, Gennari, Claudio, Marco, Sinico, Pezzato, Luca, Pietro, Pranovi, Settimi, ALESSIO GIORGIO, Vranescu, Dragos   +7 more
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Fabrication, properties and biological activity of a titanium surface modified with zinc via plasma electrolytic oxidation

Frontiers in Materials, 2023
To improve the biological activities of titanium implant surfaces and promote efficient early bone formation, the formation of bioactive coatings that promote bone formation on titanium implant surfaces is currently an important area of research. In this
Rui Luo, Yang Jiao, Sujiajun Zhang, Jieshi Wu, Xingling Wu, Kaihang Lu, Pengpeng Zhang, Yankun Li, Xiaohui Ni, Quanming Zhao   +9 more
doaj   +1 more source

Enhanced corrosion resistance of AZ31 Mg alloy by one-step formation of PEO/Mg-Al LDH composite coating

Corrosion Communications, 2022
In the present work, a novel one-step plasma electrolytic oxidation (PEO) method is developed for the formation of PEO/Mg-Al layered double hydroxide (LDH) composite coating on AZ31 Mg alloy.
Xinxin Zhang, Yupeng Zhang, You Lv, Zehua Dong, Teruo Hashimoto, Xiaorong Zhou   +5 more
doaj   +1 more source

Self-Lubricating PEO–PTFE Composite Coating on Titanium

Metals, 2019
A self-lubricating plasma electrolytic oxidation⁻polytetrafluoroethylene (PEO⁻PTFE) composite coating was successfully fabricated on the surface of commercially pure titanium by a multiple-step method of plasma electrolytic oxidation, dipping
Limei Ren, Tengchao Wang, Zhaoxiang Chen, Yunyu Li, Lihe Qian   +4 more
doaj   +1 more source

High-Frequency-Induced Cathodic Breakdown during Plasma Electrolytic Oxidation [PDF]

, 2017
The present communication shows the possibility of observing microdischarges under cathodic polarization during plasma electrolytic oxidation at high frequency. Cathodic microdischarges can ignite beyond a threshold frequency found close to 2 kHz.
Belmonte, T., Braithwaite, N. St.J, Henrion, G., Nominé, A., Nominé, A.V.   +4 more
core   +3 more sources

Influences of Current Density on the Structure and Corrosion Resistance of Ceramic Coatings on ZK60 Mg Alloy by Plasma Electrolytic Oxidation

International Journal of Electrochemical Science, 2013
Current density was a key factor of plasma electrolytic oxidation (PEO) process. It influenced the composition, morphology and corrosion resistance of ceramic coatings on ZK60 Mg alloy by plasma electrolytic oxidation in Na2SiO3 solution.
Zhaozhong Qiu, Rui Wang, Xiaohong Wu, Yushen Zhang   +3 more
doaj   +1 more source

Formation of a metastable nanostructured mullite during Plasma Electrolytic Oxidation of aluminium in “soft” regime condition

Materials & Design, 2019
This paper demonstrates the possibility of producing a lamellar ceramic nanocomposite at the top-most surface of oxide coatings grown with the Plasma Electrolytic Oxidation process (PEO).
J. Martin, A. Nominé, V. Ntomprougkidis, S. Migot, S. Bruyère, F. Soldera, T. Belmonte, G. Henrion   +7 more
doaj   +1 more source

SEM, EDS and XPS analysis of the coatings obtained on titanium after plasma electrolytic oxidation in electrolytes containing copper nitrate [PDF]

, 2016
In the paper, the Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS) and X-ray Photoelectron Spectroscopy (XPS) results of the surface layer formed on pure titanium after plasma electrolytic oxidation (micro arc ...
Dudek, Łukasz, Harničárová, Marta, Hryniewicz, Tadeusz, Matýsek, Dalibor, Raaen, Steinar, Rokosz, Krzysztof, Valíček, Jan   +6 more
core   +3 more sources