Electrodeposition of Nickel-Chromium Alloys from Solution Containing Nickel Sulfamate, Chromium Sulfamate, Potassium Citrate and Potassium Fluoride
نویسندگان
چکیده
منابع مشابه
[Mechanical properties of metal-ceramic systems from nickel-chromium and cobalt-chromium alloys].
BACKGROUND/AIM Metal-ceramic bond strength and alloys' elastic modulus clearly determine the potential of alloy application, because the ceramic integrity during mastication depends on these two characteristics. The aim of this study was to evaluate metal-ceramic bond strenght and elastic modulus of cobalt-chromium alloys in making porcelain-fused-to-metal restorations, regarding the applicatio...
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Chromium carbide – nickel chromium powder Cr3C2-25wt.NiCr was plasma sprayed by a water-stabilized system WSP®. A series of experiments with variable feeding distance was carried out. Basic characterization of coatings was done by XRD, SEM and light microscopy plus image analysis. Microhardness was measured on polished cross sections. The main focus of investigation was on resistances against w...
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The influence of various factors, such as current density, bath and annealing temperatures, on microhardness of electrodeposited nickel from a nickel sulfamateformamide bath was investigated. Bright, adherent, finegrained and almost defect-free nickel deposits with moderately high hardness were obtained at 50 "C and a current density of 0.6 Aldm2. The microhardness of the nickel deposits decrea...
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Nitration of potassium sulphamate was carried out using a mixture of sulphuric and nitric acid at -30 °C. The reaction time was optimized at the mole ratio of sulphuric to nitric acid of (1:3.5). The difference in product yield by changing the potassium to ammonium sulphamate was studied throughly. It was found that both the yield and purity of the product is better starting with potassium ...
متن کاملShear bond strength of dental porcelains to nickel-chromium alloys.
The continuous technological advance and increasing availability of new base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations necessary. This study evaluated the metal/porcelain shear bond strength of three ceramic systems (Duceram, Williams and Noritake) in c...
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ژورنال
عنوان ژورنال: The Journal of the Society of Chemical Industry, Japan
سال: 1968
ISSN: 0023-2734,2185-0860
DOI: 10.1246/nikkashi1898.71.6_831