S. Mahdavi
Research Center for Advanced Materials, Faculty of Materials Engineering, Sahand University of Technology
[ 1 ] - Electrodeposition and Characterization of Sn-Zn Alloy Coatings from Sulfate Based Baths
Tin-Zinc alloy coatings have many applications because of their unique properties such as corrosion resistance, solderability and flexibility. In this study, the effect of current density, temperature and pH on chemical composition, cathodic current efficiency, morphology and structures of the coatings was investigated. The results illustrated that, at low current densities (<0.5 mA/cm2), the c...
[ 2 ] - Effect of TiO2 nano-particles on corrosion behavior of Co-Cr alloy coatings in simulated body fluid
Co-Cr and Co-Cr/nano-TiO2 coatings were electrodeposited from Cr(III) based baths. The effect of TiO2 nano-particles incorporation on the morphology, structure, crystallite size, and preferred orientation was studied. Corrosion behavior of the composite coating was also investigated by means of polarization and electrochemical impedance spectroscopy techniques in Hanks’ si...
[ 3 ] - بررسی خواص و مقایسه خوردگی و سایش پوششهای Zn-Ni و Zn-Ni/P
In this research, Zn-Ni and Zn-Ni/PTFE coatings were electrodeposited from sulfate-based electrolytes. Potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques were used to investigate the corrosion properties of the coatings. Hardness and tribological behavior of the coatings were examined by the Vickers microhardness testing machine and the pin-on-disc method...
[ 4 ] - Resin-based Copper-free Brake Pads: A Right Selection of Potassium Titanate and Ceramic Fiber
The present study aimed to assess the effect of replacing copper as a multi-functional ingredient in the brake pad material with potassium titanate platelet (PTP) and a particular type of ceramic fiber (CF) copper-free composite. Chase dynamometer tests were conducted to compare a brake padchr('39')s tribological behavior when PTP and CF are added to the composition with that of the copper-bear...
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