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Prikaz rezultata 11-20 od 938
The morphology of copper powder obtained by different regimes of electrolysis / Morfologija bakarnog praha dobijenog različitim režimima elektrolize
(Belgrade, Serbia : Engineering Society for Corrosion, 2006)
The effect different deposition regimes (constant and reversing currents), on the powdered copper electrodeposits morphology were investigated. The morphology of electrodeposited copper powder were investigated using a ...
Influence of surface morphology on methanol oxidation at a glassy carbon-supported Pt catalyst / Uticaj površinske morfologije na oksidaciju metanola na platinskim katalizatorima sa podlogom od staklastog ugljenika
(Serbian Chemical Society, 2008)
Platinum supported on glassy carbon (GC) was used as a model system for studying the influence of the surface morphology of a Pt catalyst on methanol oxidation in alkaline and acidic solutions. Platinum was deposited by ...
The effect of metal surface condition on brightness and structure of metal coatings. PART I, Surface reflection of the light / Uticaj stanja površine metala na sjaj i strukturu metalnih prevlaka. I deo, Površinska refleksija svetlosti
(Belgrade, Serbia : Engineering Society for Corrosion, 2007)
Mirror brightness of metal surfaces can be associated with the high degree of mirror reflection which approaches very nearly the ideal reflectance of the same metal. The samples of steel and copper are processed by ...
The effect of current density, deoisition time and electrolytic pH value on roughness of copper coatings / Uticaj gustine struje, vremena taloženja i pH – vrednosti elektrolita na hrapavost prevlaka bakra
(Belgrade, Serbia : Engineering Society for Corrosion, 2006)
The copper coatings were electrodeposited directly onto aluminium from the bath: (CuSO4 (55 g/dm3) + CH2 NH2 - CH2OH (100g/ dm3) + (NH4)2SO4 (30 g/dm3) + Na2SO4(10H2O (75g/dm3) + Na2CO3 (3g/dm3), room temperature, j = 0.3 ...
The roughness of silver coatings electrodeposited onto aluminium / Hrapavost prevlaka srebra taloženih galvanostatskim putem na aluminijum
(Belgrade, Serbia : Engineering Society for Corrosion, 2006)
In this paper the surface roughness of silver coatings electrodeposited as final coatings onto aluminum was analyzed. The copper coating was electrodeposited as a basic coating directly onto aluminum. Afterward, nickel and ...
Direct electroplating of copper coatings onto aluminum / Neposredno elektrohemijsko taloženje prevlaka bakra na aluminijum
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
The deposition of copper coatings has been done by direct electrochemical deposition from the solution: CuSO4 (55 g/dm3) + CH2 NH2 - CH2OH (100 g/dm3) + (NH4)2SO4 (30 g/dm3) + Na2SO4*10H2O (75 g/dm3) + Na2CO3 (3 g/dm3), ...
Properties of Ni-W alloys electrochemically deposited by direct and pulse current / Karakteristike legura Ni-W elektrohemijski taloženih konstantnom i pulsirajućom strujom
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
The Ni-W alloys were electrochemically deposited from a ammonia-citrate electrolyte on rotation disc electrode with a replaceable steel disc, by direct and pulsed current. The aim of the paper is investigations of parameters ...
Electrochemical properties of mixed WC and Pt-black powders / Elektrohemijska svojstva smeše prahova WC i Pt
(Serbian Chemical Society, 2008)
The electrochemical characteristics of a mixture of Pt-black and WC powders and its catalytic activity for methanol and formic acid oxidation were investigated in acid solution. XRD and AFM measurements revealed that the ...
Kinetic study of formic acid oxidation on carbon-supported platinum electrocatalyst
(Elsevier, 2005)
Oxidation of formic acid on the platinum catalyst supported on high area carbon was investigated by potent iodynamic and quasi-steady-state polarization measurements. It was found that the poisoning of the reaction occurred ...
Oxidation of formic acid on platinum electrodeposited on polished and oxidized glassy carbon
(Elsevier, 2005)
Formic acid oxidation at platinum electrochemically deposited on polished (GC/Pt) and oxidized glassy carbon (GC(ox)/Pt) was examined with the objective of studying the effect of electrochemical treatment of the support ...