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Magnesium casting technology

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(Die casting). British Library Shelfmark. 8764.r.46

Magnesium Coating - A Process for the Future

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Case study of German Co plating onto Mg & its alloys showing QA systems where 9 PC computers in various parts of the plant are networked. A promising future for magnesium die-castings is upheld.

Magnesium Components and Corrosion Control.

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The feasibility of using magnesium in automobile construction because of its light weight compared with steel is considered in relation to the significant corrosion liability of magnesium. Corrosion resistance tests were performed with various combinations involving chromium-free pretreatment, cathodic or anodic electrocoating, powder coatings and a wet paint.

Magnesium Compound, Magnesium Compound Coating, Magnesium Alloy Material, Metallic Material and Process for Producing the same.

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Fine-grained Mg2X having enhanced hardness, rigidity, abrasion resistance and/or corrosion resistance. This Mg2X is a compound of magnesium and element X selected from the group consisting of Si, Ge, Sn and Pb. The grain diameter is in the range of 10 nm to 10µm.

Magnesium Conversion Coating Composition and Method of using same

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Conversion coating composition and a method of applying the conversion coating composition to magnesium and magnesium alloy articles prior to painting to prevent corrosion. Coating composition incl. vanadate ions, phosphorus, and nitric acid or a source of nitrate ions. In addition, the composition may also contain boric acid or a source of borate ions and fluoride or fluoroborate ions.

Magnesium Conversion Coating Composition and Method of using same.

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Conversion coating composition and a method of applying the conversion composition to magnesium and magnesium alloy articles prior to painting to prevent corrosion. The conversion coating composition comprises a source of vanadate ions, a material comprising phosphorus, and nitric acid or a source of nitrate ions. In addition, the composition may also contain boric acid or a source of borate ions and a source of fluoride ions or a source of fluoroborate ions.

Magnesium Conversion Coating Composition and Method of using same.

Relevancy:  

Conversion coating composition and a method of applying the conversion coating composition to magnesium and magnesium alloy articles prior to painting to prevent corrosion which comprises a source of vanadate ions, a material comprising phosphorus, and nitric acid or a source of nitrate ions. In addition, the composition may also contain boric acid or a source of borate ions and a source of fluoride ions or a source of fluoroborate ions.

Magnesium Conversion Coating Composition and Method of using same.

Relevancy:  

Conversion coating composition and a method of application to magnesium and Mg alloy articles prior to painting to prevent corrosion comprises a source of vanadate ions, a material comprising phosphorus, and nitric acid or a source of nitrate ions. In addition, the composition may also contain boric acid of a source of borate ions and a source of fluoride ions or a source of fluoroborate ions.

Magnesium Conversion Coating Composition and Method of using same.

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Magnesium conversion coating composition comprising a source of vanadate ions, 10-200 grams/litre of a material comprising phosphorus, and a source of nitrate ions. The vanadate ions, phosphorus material, and nitrate ions are dissolved in an aqueous solution, and the pH of the compsn. is between 1 and 4.

Magnesium Corrosion

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Brief disc'n, no refs, no data on production and QC of title castings. Disc'n. p. 233.

Magnesium Diaphragm, Method of Manufacturing the same, and Speaker Apparatus.

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Thin Mg sheet, < 60µm thick, is anodised, then coloured by dying. Over the anodised layer, a resin is electrophoretically deposited to create an attractive surface, e.g for loudspeakers.

Magnesium Electrodeposition & electroforming

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Magnesium Hydroxide for Metal Precipitation from Effluent Streams

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Virtues of magnesia are extolled with histogram showing % metal removal at 20 ppm level for manganese, cadmium, lead, nickel, zinc,copper, chromium, aluminium & iron. Similar data is plotted vs. solubility products. Sludge volumes & sedimentation rates are also discussed with graphs & photos. Cont'd p. 36.

Magnesium hydroxide for neutralisation & precipitation of acid metal bearing effluent

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The advantages of Mg(OH)2 as opposed to lime or caustic soda are extoiled. Histogram shows ca. half the weight of NaOH is required. Low sludge volumes (33% or less that of the other alkalis) are formed. Table shows effluent with specified iron, zinc, copper, lead, chromium, nickel contents before & after Mg(OH)2 treatment. Fe is < 0.4 ppm, all others < 0.1.

Magnesium Hydroxide for Neutralising Acid Waste Containing Metals

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Magnesium hydroxide is compared with calcium and sodium hydroxides for neutralisation of acid metal-ion containing waste liquids. It is shown to produce a much denser sludge that requires less dewatering. Tables show the physical & chemical properties of the three hydroxides and kinetic data is shown for the neutralisation process with and without added Fe and Cu ions.The physical properties of sludges are also compared. Magnesium shows many advantages.