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  2. Vibration welding of thermoplastics - Wikipedia

    en.wikipedia.org/wiki/Vibration_Welding_of...

    Weld design for vibration welding must include a relatively large flat surface, although some out of plane curvature can be accommodated for. The most common type of joint is a butt joint, where two flat pieces with the same cross section are welded together.

  3. Radio-frequency welding - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_welding

    Radio-frequency welding, also known as dielectric welding and high-frequency welding, is a plastic welding process that utilizes high-frequency electric fields to induce heating and melting of thermoplastic base materials. [1] The electric field is applied by a pair of electrodes after the parts being joined are clamped together.

  4. Friction welding - Wikipedia

    en.wikipedia.org/wiki/Friction_welding

    Friction welding (FWR) is a solid-state welding and bonding process that generates heat through mechanical friction between workpieces in relative motion to one another. The process is used with the addition of a lateral force called "upset" to plastically displace and fuse the materials. [1]

  5. Rotary friction welding - Wikipedia

    en.wikipedia.org/wiki/Rotary_friction_welding

    Example of Rotary friction welding weldability table. [31] This is the basic table because the currently known list of materials is much larger and the name alloy systems are classified by a number system or by names indicating their main alloying constituents (DIN and ISO). Sometimes an interlayer is used to connect non-compatible materials.

  6. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Welding - Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperature ISO 13918: Welding - Studs and ceramic ferrules for arc stud welding: ISO 13919-1: Welding - Electron and laser-beam welded joints - Guidance on quality level for imperfections - Part 1: Steel ISO 13919-2

  7. Magnetic pulse welding - Wikipedia

    en.wikipedia.org/wiki/Magnetic_pulse_welding

    Magnetic pulse welding (MPW) is a solid state welding process that uses magnetic forces to weld two workpieces together. The welding mechanism is most similar to that of explosion welding . [ 1 ] Magnetic pulse welding started [ clarification needed ] in the early 1970s, when the automotive industry began to use solid state welding.

  8. Frizz - Wikipedia

    en.wikipedia.org/wiki/Frizz

    Young woman with frizzy hair. Frizzy hair has been perceived differently in different eras and cultures. Publicity photos of the silent film star Mary Pickford were often backlit, highlighting her halo of frizz, and the frizzy perm was a mainstay of 1980s Western fashion.

  9. Friction stir spot welding - Wikipedia

    en.wikipedia.org/wiki/Friction_stir_spot_welding

    In friction stir spot welding, individual spot welds are created by pressing a rotating tool with high force onto the top surface of two sheets that overlap each other in the lap joint. The frictional heat and the high pressure plastify the workpiece material, so that the tip of the pin plunges into the joint area between the two sheets and ...

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