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  2. Plasma transferred wire arc thermal spraying - Wikipedia

    en.wikipedia.org/wiki/Plasma_transferred_wire...

    Plasma transferred wire arc (PTWA) thermal spraying is a thermal spraying process that deposits a coating on the internal surface of a cylindrical surface, or external surface of any geometry. It is predominantly known for its use in coating the cylinder bores of an internal combustion engine , enabling the construction of aluminium engine ...

  3. Phosphate conversion coating - Wikipedia

    en.wikipedia.org/wiki/Phosphate_conversion_coating

    Phosphate conversion coating is a chemical treatment applied to steel parts that creates a thin adhering layer of iron, zinc, or manganese phosphates to improve corrosion resistance or lubrication or as a foundation for subsequent coatings or painting. [1] [2] [3] It is one of the most common types of conversion coating.

  4. Thermal spraying - Wikipedia

    en.wikipedia.org/wiki/Thermal_spraying

    The torch melts the coating material and the top layer of the component material; fusing them together. Due to the high heat of spray and fuse, some heat distortion may occur, and care must be taken to determine if a component is a good candidate. These high temperatures are akin to those used in welding.

  5. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    The Old English word for welding iron was samod ('to bring together') or samodwellung ('to bring together hot'). [3] The word is related to the Old Swedish word valla, meaning 'to boil', which could refer to joining metals, as in valla järn (literally 'to boil iron').

  6. Conservation and restoration of iron and steel objects

    en.wikipedia.org/wiki/Conservation_and...

    The treatment report will indicate what type of structural treatment should be used. If the item is missing hardware it can be replaced by adding matching or similar screws and rivets. Adhesives, soldering, and welding can be used to repair a damaged structure. Protective coatings. Protective coatings can be good options for iron and steel objects.

  7. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Gas welding equipment. Acetylene manifold systems for welding, cutting and allied processes. Safety requirements in high-pressure devices ISO 15618-1: Qualification testing of welders for under-water welding. Diver-welders for hyperbaric wet welding ISO 15618-2: Qualification testing of welders for under-water welding.

  8. Black oxide - Wikipedia

    en.wikipedia.org/wiki/Black_oxide

    The solution can be used on cast iron and mild low-carbon steel. The resulting finish complies with military specification MIL-DTL–13924D Class 4 and offers abrasion resistance. Black oxide finish is used on surgical instruments in light-intensive environments to reduce eye fatigue.

  9. Castolin Eutectic - Wikipedia

    en.wikipedia.org/wiki/Castolin_Eutectic

    He discovered a new method of low-temperature brazing of cast iron, which was a revolutionary process for the repair and wear-protection of metals. During the last decades fluxes , brazing alloys as well as coating and welding equipment and consumables have been developed and the company is present with its own subsidiaries in over 100 ...

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