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M & T provides extra expertise in electroless nickel
Describes facilities, esp. for electronics applications in electroless Ni plating products from Ruislip, Middx. premises (formerly M.L. Alkan Ltd.).
M-coat, new dry film lubricant for hot-rolled steel sheet
Title sheets with excellent formability are used for automotive wheels & chassis frames. Title lubricant enhances deep-drawing & stretching properties. Coating is applied over steel but below rust-preventing oil. Graph plots coefficient of friction vs. holding pressure and ease of degreasing is also discussed in detail. Comments on spot weldability & corrosion resistance, neither of which suffer. 1 ref
M-I-M sandwich structures of electron beam evaporated vanadium pentoxide thin films
The characteristics of title films, incl. dependance of capacitance on frequency, temperature & film thickness is reported. Current-voltage data suggest a Schottky type at lower fields, Poole-Frenkel at higher fields. Graphs show this & other data, incl. Arrhenius type plots. 16 refs
m-Nitrobenzaldehyde Brightener for Acid Zinc
Study of title brightener gives polarisation plots, Hull cell data and lists effects of conc'ns, pH & temp. 2 refs.
m-Pyrol - A Practical Replacement Solvent for Cleaning & Degreasing
m-Pyrol (N-methyl-2-pyrrolidone) as substitute for chlorinated hydrocarbon solvents for cleaning & degreasing is suggested. Data on its props. incl. hydrolysis rate.
MacDermid moves up a notch or two
Note on MacDermid Supply house, and its acquisitions policy, incl. Cannings, with possibly more to come.
Machinability of Al alloy components on machining with rotating mechanical brushes
Results of experimental study of effect of main design and production parameters of continuous and sectioned brushes on surface finish of A31 and 1915 alloys are given. It is concluded that use of continuous mechanical brushes is feasible for finishing automobile bumpers.
Machinable ceramic substrate for CVD diamond coating
DIAM Paper pres. at 14th Int. Conf. "Diamond etc" (see main abstract "Diamond 14th"). The newly developed ceramic Ti3SiC2, a titanium carbide-silicide or carbosilicide was synthesised from its constituent powders, sintered in a graphite mould at 1573°K for 15 min at 50MPa pressure. Differently shaped samples were microwave CVD diamond coated and polished to roughness of ca. 0.2µm. Coefficients of friction for several counterfaces are reported, these being as low as 0.01.
Machine and method for electropolishing indentations within an aluminium wheel.
A machine for electrochemically polishing indentations within the wall of an aluminum workpiece, such as a wheel, has a cathode attached to an upper platen. The workpiece is mounted upon a lower platen which acts as an anode. Electrolyte is passed between the cathode and the anode while simultaneously a current is applied which passes through the cathode and the anode. The current is selectively pulsed to maximize polishing but at the same time to permit the flushing away of residual material and to cool the cathode and the workpiece.
Machine automatically electropolishes bulk loads
Note on 'Model LBM-200' automated bulk process machine for electropolishing medium to small size parts without racking of Limat, Israel (US licensee: Hydrite Chemical Co., Milwaukee, WI).
Machine cleaning techniques for steel surfaces prior to painting
Sand blasting and flame cleaning are compared with regard to procedure and effectiveness.
Machine components and methods of fabricating.
Thermal barrier coating & bond coat layer is nickel-chromium-aluminium-yttrium with silicon & hafnium.
Machine for aqueous cleaning of razor blades
Machine for bonding an adhesive protective edging on the edges of a multilayer panel such as a spacecraft heat shield
(div. of 5514238).
Machine for bulk degreasing of components
Italian washing machine which excludes manual operation in loading components uses washing media which does not contaminate environment and hot water. Machine is made is various sizes with < 1 chamber.