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344 results. per page « 1 2 3 4 5 6 7 8 9 10 11 »

Keeping the washing fluid cleaner

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Purification and recycling of contaminated cleaning fluids by centrifugal separators is described.

Keeping up with reflow soldering constraints. Pt 1.

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Overview of title technology. Graphs show temperature - time profiles as function of conveyor speed & use of separate cooling zones to change delta T. Table shows matrix of machine & process variables. 5 refs

Keeping up with reflow soldering constraints. Pt 1.

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Overview of title technology. Graphs show temperature - time profiles as function of conveyor speed & use of separate cooling zones to change delta T. Table shows matrix of machine & process variables. 5 refs

Keeping up with reflow soldering process constraints. Pt 2.

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Pt 2 treats reflowing of BGA components with temperature-time plot showing high or low preheat, discusses double-sided reflow soldering, pin through-hole reflow, reflow of flip-chip and reviews yields & defect levels in printed circuit board assembly. Graph plots these as function of number of joints perpcb. Machine contamination is related to use of forced convection reflow systems. Future developments in reflow machines are predicted. 12 refs

Keeping up with reflow soldering process constraints. Pt 2.

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Pt 2 treats reflowing of BGA components with temperature-time plot showing high or low preheat, discusses double-sided reflow soldering, pin through-hole reflow, reflow of flip-chip and reviews yields & defect levbels in printed circuit board assembly. Graph plots these as function of number of joints perpcb. Machine contamination is related to use of forced convection reflow systems. Future developments in reflow machines are predicted. 12 refs

Kelly Air Force Base Plating Shop

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Title shop will be open to participants at Aerospace Airline Plating & Metal Finishing event. Photos show the facility, largely used for jet engine overhauls. IVD (Ion vapour deposition) is also used.

Kepla-Coat - a Plasmachemical Coating in Aqueous or Organic Electrolyte

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Novel plasma-electrochemical process forming a three layer coating on aluminium substrate. Process is depicted & described. Composition is up to 60% alpha corundum phase. Corrosion resistance for non-impregnated 30 micron layer > 3000 hrs salt spray. Mechanical hardness is 500 to 1500 HV 0.025. Taber wear data is ca 5 mg per 1000 revolutions, 10 N. Data on adhesion, surface roughness, fatigue, thermal conductivity, coeff't of friction are quoted. Colour is grey-white or can be tinted pink by introduction of ca 1% copper. Typical application areas are suggested.

Kepla-Coat for titanium protection

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Ti & alloys can be protected, whether as biomaterials & implants, in aerospace, using the title anodic oxidation process, which is plasma oxidised

Keramisierter Leichtmetallkolben fur Verbrennungsmotoren.

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Kepla-Coat for light alloy engine pistons. (Abstract not available for DE29680358)

Kerapos process for anodised and dyed aluminium sheet

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Note on anodizing and dyeing of Al for nameplates and panels, etc. of Keraplate Ltd., Holton Rd., Holton Heath Trading Park, Poole, Dorset BH16 6JX.

Keronite plasma anodised aluminium succeeds in USA

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Shows PEO tiles & discusses applications. 6 refs

Kerry Ultrasonics claim major advance in integrated cleaning, rinsing and drying

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Describes ultrasonic cleaning, rinsing and drying equipment integrated into thin film vacuum deposition of 2-6 µm Ti nitride coatings at Multi-Arc (UK) Ltd. (Siemens Group).

Kettle design & construction for hot-dip galvanising. Pt 2.

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Pt 1 in April issue. Discusses design showing end-fired furnace, with data on heat losses & energy use. Comments on use with different grades & alloys of steel. Table gives data on this. 1 ref.

Kettle purchase decisions for hot-dip galvanising. Pt 3

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Issues debated incl. pulsed or non-pulsed burners, factors affecting kettle life incl. flat flame vs. end-fired.. Table lists thermocouple temperature readings. Extensive data on heat transfer & heat loss and heating energy requirements.

Key advantages of plasma powder spray process for thermal spray coating of cylinder bores in automotive industry

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