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  2. Aluminium joining - Wikipedia

    en.wikipedia.org/wiki/Aluminium_joining

    Aluminium alloys are often used due to their high strength-to-weight ratio, corrosion resistance, low cost, high thermal and electrical conductivity.There are a variety of techniques to join aluminium including mechanical fasteners, welding, adhesive bonding, brazing, soldering and friction stir welding (FSW), etc. Various techniques are used based on the cost and strength required for the joint.

  3. Terne - Wikipedia

    en.wikipedia.org/wiki/Terne

    Terne metal can last 90 years or more if the paint is maintained. Terne-coated stainless steel (TCS II or Roofinox), or copper is commonly used to replace terne metal roofs as either material will outlast terne metal. Terne-coated stainless steel roofing can last 100 years or more unpainted; copper roofing can last 50 years or more unpainted ...

  4. Percussion welding - Wikipedia

    en.wikipedia.org/wiki/Percussion_welding

    The electrical energy for the percussion welding can be supplied by a transformer, as alternating current (or rectified), or by the discharge of capacitors.Because of the short duration of the arc and of the fact that all of the weld energy comes from this arc, the electrical resistance of the parts to be welded does not affect the amount of heat generated at the weld and substances of ...

  5. Weldability - Wikipedia

    en.wikipedia.org/wiki/Weldability

    Many metals and thermoplastics can be welded, but some are easier to weld than others (see Rheological weldability). A material's weldability is used to determine the welding process and to compare the final weld quality to other materials. Weldability is often hard to define quantitatively, so most standards define it qualitatively.

  6. Diffusion bonding - Wikipedia

    en.wikipedia.org/wiki/Diffusion_bonding

    Diffusion bonding or diffusion welding is a solid-state welding technique used in metalworking, capable of joining similar and dissimilar metals. It operates on the principle of solid-state diffusion, wherein the atoms of two solid, metallic surfaces intersperse themselves over time.

  7. Spot welding - Wikipedia

    en.wikipedia.org/wiki/Spot_welding

    Spot welding is also used in the orthodontist's clinic, where small-scale spot welding equipment is used when resizing metal "molar bands" used in orthodontics. Another application is spot welding straps to nickel–cadmium, nickel–metal hydride or Lithium-ion battery cells to make batteries. The cells are joined by spot welding thin nickel ...

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