Real-time imaging, spectroscopy, and structural investigation of cathodic plasma electrolytic oxidation of molybdenum

2015 ◽  
Vol 117 (23) ◽  
pp. 233304 ◽  
Author(s):  
Stevan Stojadinović ◽  
Nenad Tadić ◽  
Nikola M. Šišović ◽  
Rastko Vasilić
Keyword(s):  
Real Time ◽  
Plasma Electrolytic Oxidation ◽  
Structural Investigation ◽  
Imaging Spectroscopy ◽  
Real Time Imaging ◽  
Electrolytic Oxidation ◽  
Cathodic Plasma ◽  
Plasma Electrolytic

Spectroscopic and real-time imaging investigation of tantalum plasma electrolytic oxidation (PEO)

2011 ◽  
Vol 205 (23-24) ◽  
pp. 5406-5413 ◽  
Author(s):  
S. Stojadinović ◽  
J. Jovović ◽  
M. Petković ◽  
R. Vasilić ◽  
N. Konjević
Keyword(s):  
Real Time ◽  
Plasma Electrolytic Oxidation ◽  
Real Time Imaging ◽  
Electrolytic Oxidation ◽  
Plasma Electrolytic

Structrure of Al2O3 Ceramic Coating on Super Alloy Prepared by Cathodic Plasma Electrolytic Oxidation

2013 ◽  
Vol 690-693 ◽  
pp. 2137-2140 ◽  
Author(s):  
Yun Long Wang ◽  
Miao Wang ◽  
Yue Mei Qin ◽  
Xing Feng Shi ◽  
Hui Rong Guo ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Plasma Electrolytic Oxidation ◽  
Ceramic Coating ◽  
Coating Surface ◽  
Electrolytic Oxidation ◽  
Coarse Surface ◽  
Cathodic Plasma ◽  
Plasma Electrolytic ◽  
Super Alloy

Al2O3ceramic coating was successfully prepared on GH132 super alloy by cathodic plasma electrolytic oxidation in (NO3)3·9H2O electrolyte. The structure and chemical composition of the coatings were characterized. The results showed that the as prepared coating was composed of Al2O3crystal, including much α-Al2O3andsomeγ-Al2O3two types of Al2O3.A few Fe elements entered into in the substrate and nearly no other elements were found in the coating surface. The Al2O3.coating showed coarse surface and there were some small pits on the surface. The diameters of pits were not more than 20 um. The thickness of coating was about 50μm.

Microstructure and Corrosion Resistance of Al2O3-ZrO2 Composite Coating on Biomedical Magnesium Alloy Fabricated by Cathodic Plasma Electrolytic Oxidation

2012 ◽  
Vol 184-185 ◽  
pp. 1068-1071 ◽  
Author(s):  
Yun Long Wang ◽  
Miao Wang ◽  
Zhao Hua Jiang
Keyword(s):  
Corrosion Resistance ◽  
Magnesium Alloy ◽  
Composite Coating ◽  
Bonding Strength ◽  
Plasma Electrolytic Oxidation ◽  
Corrosion Current ◽  
Uncoated Sample ◽  
Electrolytic Oxidation ◽  
Cathodic Plasma ◽  
Plasma Electrolytic

A relatively new method called cathodic plasma electrolytic oxidation (CPEO) was development to fabricate Al2O3–ZrO2 composite coating on AZ91 biomedical magnesium alloy. The microstructure and properties of the composite coating including phase composition, surface and cross section morphology, thickness and bonding strength were investigated. The corrosion behavior of the coated magnesium alloy in simulated body fluids(SBF) was primarily evaluated. The results showed that the coating was composed of c-ZrO2, α-Al2O3 and γ-Al2O3. The coating surface was coarse and porous with the average pores diameters of 5 µm. The thickness of the coating was about 60 µm and the bonding strength of coating to the AZ91 substrate was 22 MPa. The polarization test indicated that corrosion potential (Ecorr) and corrosion current density (icorr) of the coated samples in SBF were −1.56V and 8.89×10-7 A/cm2 , respectively, whose corrosion resistance was significantly improved compared to the uncoated sample.

ffect of Na2WO4 in electrolyte on mechanical properties of oxide layer on Al alloy via plasma electrolytic oxidation

2015 ◽  
Vol 53 (8) ◽  
pp. 535-540 ◽  
Author(s):  
Young Gun Ko ◽  
Dong Hyuk Shin ◽  
Hae Woong Yang ◽  
Yeon Sung Kim ◽  
Joo Hyun Park ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Oxide Layer ◽  
Plasma Electrolytic Oxidation ◽  
Al Alloy ◽  
Electrolytic Oxidation ◽  
Plasma Electrolytic

MODELING OF THE ELECTROLYZER ELECTRIC FIELD FOR PEO OF MAGNESIUM FOR THE STUDY OF SPECIAL CHAPTERS OF ELECTRICAL ENGINEERING

2019 ◽  
Author(s):  
Veta Mukaeva ◽  
E. Parfenov ◽  
R. Mukaev ◽  
M. Gorbatkov
Keyword(s):  
Magnesium Alloy ◽  
Electric Field ◽  
Plasma Electrolytic Oxidation ◽  
Electrical Engineering ◽  
Professional Competencies ◽  
Electrolytic Oxidation ◽  
Plasma Electrolytic

The issue of modeling the distribution of the electric field in the electrolyzer during the plasma-electrolytic oxidation of a magnesium alloy for the motivation and formation of professional competencies for students in the study of electrical engineering disciplines is considered.

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