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SAGE solvent alternatives Guide: system improvements for selecting industrial surface cleaning alternatives

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SAGE - Solvent Alternatives GuidE, with EPA involvement is database within Expert System where user specifies type of cleaning or degreasing to be carried out & degree of cleanliness required. It holds 31 cleaning options and can be down loaded from internet at http:lles.inel.gov. 1 ref

Salamander

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Using long flexible tubes, paint can be efficiently recovered and colour changeovers achieved even on small manual lines as well as for robotised spray lines. Diagrams show the method incl. use of sensors to monitor the process. Computer screen display (reproduced) reports virtually the complete system.

Sales Growth & diversification for Finishing Shops Through Vertical Integation of Processes

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Sales Growth & Diversification for Finishing Shops Through Vertical Integration of Processes

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Extols title approach, offers successful case study.

Saline water corrosion resistance and mechanical properties of sucker rod electroplated with different tungsten alloys.

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Iron-nickel-tungsten & Ni-phosphorus-W alloys were prepared on the surface of 35CrMo sucker rod by electrodeposition. The as-plated and heat-treated tungsten alloy deposits were characterized by X-ray diffraction, and their effects on corrosion resistance and static mechanical properties of the sucker rod at room temperature were studied. The corrosion resistance of the tungsten alloy-coated sucker rod in aqueous 3.5wt% NaCl solution was tested by weight loss method, anodic polarization curve measurement and electrochemical impedance spectroscopy. The fracture morphology of tungsten alloy-coated sucker rod was analyzed by scanning electron microscopy after tensile fracture. The results showed that the corrosion resistance of 35CrMo sucker rod is improved evidently by electroplating tungsten alloys, especially after a further heat treatment. The tungsten alloy-coated sucker rod can be applied to oil equipments, due to the fact that their mechanical properties are up to the standard.

Salsa Clean Process

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A wet spray cleaning process for removing thick organic layers including hardened photoresist from the surface of silicon wafers yields low residual particle counts for photoresist thicknesses up to 3µm, and maintains low residual particle density for oxide-covered wafer regions. The cleaning process uses multiple cycles of SPM/DI/APM/DI, without an intervening drying step therebetween.

Salsa Clean Process

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A wet spray cleaning process for removing thick organic layers including hardened photoresist from the surface of silicon wafers yields low residual particle counts for photoresist thicknesses up to 3µm, and maintains low residual particle density for oxide-covered wafer regions. The cleaning process uses multiple cycles of SPM/DI/APM/DI, without an intervening drying step therebetween.

Salt bath cleaning apparatus

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Salt Bath Nitriding for Producing Iron Member having Improved Corrosive Resistance and Iron Parts.

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New nitriding process uses a salt bath to produce iron and steel parts having excellent abrasion resistance and corrosion resistance. A iron lithium complex oxide layer is formed at the outermost surface of the iron part by immersing the iron and steel parts in a salt bath containing cationic component of Li, Na and K and anionic components of CNO<->and CO3<2->, where hydroxide compound selected from lithium hydroxide, sodium hydroxide and potassium hydroxide are added to the salt bath. Materials being in a hydrated state or in a free water containing state can be used for preparation or replenishing of the salt bath. Moistend air of (1x10<-2>kg.H2O)/(1 kg drfy air) can be used for mixing the salt bath. Containing ratio of Li, Na, K is preferable where a solidifying temperature of the mixture of carbonates of Li, Na, K in that ratio is lower than 500 C. It is preferable that the mol ratio of Na and K is to be 2:8-8:2, the content of CNO<-> in the salt bath is less than 2 wt % and the temperature of the salt bath is to be 450-650 C.

Salt bath nitriding of 304 austenitic stainless steel at low temperature and corrosion resistance of nitriding layer.

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304 austenitic stainless steel was nitrided in a salt bath at low temperature (430°C). The effects of nitriding time on microstructure, microhardness, and corrosion resistance of nitriding layer were studied. The phase composition, microhardness, cross-sectional morphology, and thickness of nitriding layer were examined by X-ray diffraction (XRD), microhardness tester, and optical microscopy. The results showed that the thickness and microhardness of nitriding layer on 304 stainless steel substrate are increased with the increasing of nitriding time. The layer obtained by nitriding for 1 h is composed of a single S phase. The 304 stainless steel shows improved corrosion resistance by nitriding and exhibits optimal corrosion resistance after nitriding for 4 h.

Salt bath nitriding of ferrous metals

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Process comprises nitriding Fe material to form layer of Fe nitride and/or carbide and heating to maintain temp. of 500-700°C in treating agent (alkali(ne) earth) metal chloride, glass with silica, and chromium) whereby Cr is diffused into nitride layer to form compound layer.

Salt bath protective treatment for ferrous metals

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Salt bath composition for surface oxidation treatment at 320-550°C of (nitrided) Fe metal to increase corrosion resistance comprises nitrite, carbonate and hydroxyl anions, Na and opt. K and Li cations.

Salt contamination test instrument

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Description of a proprietary test instrument to determine the presence of salt residues on structures prior to painting. The standard on which the method is based is summarised. The instrument is thus used for cleanliness testing. (Elcometer)

Salt for ECM.

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Salt Spray and Paint Adhesion Properties of BSAA Aluminium Alloys

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