In-situ control of microdischarge characteristics in unipolar pulsed plasma electrolytic oxidation of aluminum
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چکیده
منابع مشابه
Sound Absorption Characteristics of Aluminum Foams Treated by Plasma Electrolytic Oxidation
Open-celled aluminum foams with different pore sizes were fabricated. A plasma electrolytic oxidation (PEO) treatment was applied on the aluminum foams to create a layer of ceramic coating. The sound absorption coefficients of the foams were measured by an impedance tube and they were calculated by a transfer function method. The experimental results show that the sound absorption coefficient o...
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Plasma electrolytic oxidation (PEO) is a potential technique to coat a dense ceramic oxide layer on the surface of light metals, e.g. Al, Mg or Ti. In our PEO process, Al-pieces are emerged in aqueous solutions containing dissolved silicate/alkali, e.g. KOH/NaOH and K 2 SiO 3 /Na 2 SiO 3. Using a DC-pulsed system with 20Hz, micro-arcs are induced at the surface of the pieces randomly and plasma...
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ژورنال
عنوان ژورنال: Journal of Physics D: Applied Physics
سال: 2020
ISSN: 0022-3727,1361-6463
DOI: 10.1088/1361-6463/ab9bbd