Претраживање
Приказ резултата 11-20 од 32
Electrochemically deposed Ni/W composite coatings obtained under constant and pulsating current regimes / Kompozitne Ni/WC prevlake dobijene elektrohemijskim taloženjem konstantnom i pulsirajućom strujom
(Belgrade, Serbia : Engineering Society for Corrosion, 2003)
The properties of composite coatings are dependent on properties of the base metal, as well as on properties of incorporating particles. The Ni / W composite coatings were obtained by electro deposition from commercially ...
The roughness analysis of metal coatings by STM technique part III: Analysis of copper coatings electrodeposited with thiourea as brightening additive / Analiza hrapavosti galvanskih prevlaka tehnikom skenirajuće tunelske mikroskopije III deo - analiza prevlaka bakra istaloženih sa tioureom kao aditivom za sjaj
(Belgrade, Serbia : Engineering Society for Corrosion, 2003)
In this work is given the analysis of roughness of copper coatings electrodeposited from a sulfate bath in the presence of thiourea, by methodology which is described in part I of this work. It was shown that the ...
Corrosion of chromium white cast iron in acidic medium / Korozija visokohromnog belog gvožđa u kiseloj sredini
(Belgrade, Serbia : Engineering Society for Corrosion, 2008)
In this work we studied the electrochemical behavior of chromium white cast irons in deaerated aqueous sulphuric acid solutions of the pH 1-3. The measurements of concentrations of dissolved iron and chromium in the solution, ...
Structures of Ni - Ni Nan contacts obtained by the electrode position in the presence of a magnetic field / Struktura nikal - nikal nanokontakta dobijenih elektrohemijskim taloženjem
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
Structures of Ni - Ni Nan contacts obtained by the electrode position at the different cathodic potentials were analyzed. Ni - Ni Nan contacts were electrodeposited from a Watt solution in the presence of coumarone, and ...
New method of the determination of specific surface of copper obtained by the electrodeposition / Novi metod određivanja specifične površine elektrohemijski istaloženog bakra
(Belgrade, Serbia : Engineering Society for Corrosion, 2007)
The specific surface of electrodeposited copper was determined using recently proposed way for the estimation of the real surface area of metal deposits. The obtained values of the specific surface of copper deposits were ...
Influence of the structure of metallic chromium on its electrochemical and chemical corrosion / Uticaj strukture metalnog hroma na njegovu elektrohemijsku i hemijsku koroziju
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
It was shown that metallic chromium in aqueous solution of sulfuric acid dissolves in accord with the electrochemical mechanism proposed by Wagner and Traud, but also by a direct chemical reaction of metal with water ...
Electrochemical deposition of powder alloy Co-Ni-Mo-O / Elektrohemijsko dobijanje prahova legure Co-Ni-Mo-O
(Belgrade, Serbia : Engineering Society for Corrosion, 2008)
The electro deposition of the Co-Ni-Mo-O alloy powders from alkaline ammonium electrolytes and at constant current density was investigated. Metals of iron group, Co and Ni induce deposition of Mo, which alone can not be ...
Kinetic of corrosion reactions in acid and neutral solutions on electrochemically deposited Ni-W alloys / Kinetika korozionih reakcija u kiselim i neutralnim rastvorima na elektrohemijski taloženim legurama Ni-W
(Belgrade, Serbia : Engineering Society for Corrosion, 2006)
Ni-W alloys were electrochemically deposited from an ammonia-citrate electrolyte on rotating disc electrode with a gold disc, by direct and pulsating current. The corrosion potential and kinetics of cathodic and anodic ...
The effect of preparation of aluminum surface on surface roughness / Uticaj pripreme površine aluminijuma na površinsku hrapavost
(Belgrade, Serbia : Engineering Society for Corrosion, 2004)
Aluminum samples were electrochemically polished in one of three solutions for electrochemical polishing. On those samples the surface roughness was measured. The effect of the anode treatment on surface roughness was also ...
The effect of preparation of aluminum surface on the structure of final coating of nickel / Uticaj pripreme površine aluminijuma na strukturu završne prevlake nikla
(Belgrade, Serbia : Engineering Society for Corrosion, 2003)
In this work structure characteristics of the final coating of nickel were studied. Nickel was deposited onto chemically prepared aluminum, chemically and electrochemically. Structural characteristics of metallic coatings ...