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Randomly oriented aluminium alloy sputtering targets with fine grains and precipitates

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Randomly patterned cookware

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Cooking surface on cookware comprises substrate and multi-layer non-stick fluoropolymer coating stable at >300°C, comprising (1) fluoropolymer primer coating, (2) non-stick. heat resistant, light transmitting fluoropolymer top coating, (3) =1 optional fluoropolymer intermediate coating, primer or intermediate coating having 1st colour or darkness, (4) fluoropolymer discontinuous layer of raised globules covering ¢80% or primer or intermediate coating area. Globules have colour(s) or darkness visibly different from 1st such as seen through top coat; globule-containing discontinuous layer creating texture or roughness which telegraphs through top coat.

Raney Nickel Composite-Coated Electrode for Hydrogen Evolution.

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Raney Ni coated electrodes were developed for H evolution cathodes in alk. media. The electrodes were made by a composite-coating technique in a Ni plating bath in which pulverized Raney Nickel alloy is uniformly dispersed. The results of many tests under different conditions are reported. The electrodes have low H overvoltages (80-100 mV at 90°, at 200-400 mA/cm*2 in 35 wt% NaOH and 60-80 mV at 200 mA/Cm*2 at 90°, at 200-400 mA/Cm*2 in 35 wt% NaOH and 60-80 mV at 200 mA/cm*2 at 90° in a cell liquor) and excellent stability under different operating conditions.

Range of painting improvements result in class-A finish

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Discussion of steps taken by Broan-NuTone LLC (Hartford, Wisconsin, USA) to improve its finishing operations and reduce VOC emissions with existing equipment.

Range of validity of drop shape techniques for surface tension measurement.

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It is noted that surface tension measurements, involving the shape of a pendent or sessile drop or bubble, become less valid as the drop tends to a sphere. A modified definition of the shape parameter is proposed that does not depend on radius of curvature at the drop apex. The proposed parameter was found, by dimensional analysis, to depend on two dimensionless groups, including the Bond number. Furthermore, the minimum value of the parameter, that guarantees a specified accuracy, was shown to vary only with the Bond number. Experiments with water, diethyl phthlate and a cyclic oligosiloxane illustrated change in the parameter with the Bond number.

Rapid & accurate surface topography measurements of large areas

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Surface roughness & topography are recorded with profilometer from Messrs Fries Research, has 300µm z-axis traverse. Photo shows unit, trace shows surface of lens which is scratched.

Rapid 3D surface characterisation in the semiconductor industry

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New model of a white light interference microscope allows surface roughness and topography to be characterised at the nanometre level. Photos show instrument and output, using KORAD technology. www.isravision.com

Rapid acting solution for cleaning metal surfaces to high surface finish

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Soln. contains (g/l) 80-160 alkali metal hydroxide, 20-100 hydrazine, 40-100 glycocol, 0.2-1.0 S contg. compd., i.e. thiourea, Na thiosulphonate, or Na sulphide, and 10-50 Trilon B.

Rapid acting steel pickling solution

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Soln. contains (g/l) 90-250 H2SO4, 0.1-0.25 quinhydrone.

Rapid adjustment and troubleshooting for low chromic acid colour passivation solution

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Rapid aging of steel making slag and apparatus therefore.

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Rapid analysis of boric acid in nickel-cobalt alloy plating bath.

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Rapid Analysis of Chromium Plating Solutions using X-ray Fluorescent Spectrometry

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Report on title process with no refs. Impurity levels present in Cr baths (from many sites in the UK & overseas) were analysed & are shown. Comparison of title method with more traditional techniques is provided.

Rapid Analysis of Divalent Tin in Alkaline Tin Plating Baths by Direct Potentiometry

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Potentiometric analysis using Pt indicator & saturated calomel reference electrodes. Potassium ferricyanide is added to form an equilibrium & potential of ferrocyanide/ferricyanide couple is meas'd. Calibration curves, chemical equations for the method, temperature effect plots, regression equations are all shown. 6 refs

Rapid Analysis of Low Surfactant Concentrations in Electrolytes

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Title method is based on projection of drop of liquid on ptfe onto a screen and measurement of contact angle. Teflon was polished to a high surface finish and drop height h and width of zone of contact w were measured. Micropipette was used to deliver constant drop volume of 1 or 2 ul. 3 refs.