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2. AOL Mail

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3. Hot plate welding - Wikipedia

   en.wikipedia.org/wiki/Hot_plate_welding

   A heated tool is placed against or near the two surfaces to be joined in order to melt them. Then, the heat source is removed, and the surfaces are brought together under pressure. Hot plate welding has relatively long cycle times, ranging from 10 seconds to minutes, compared to vibration or ultrasonic welding. However, its simplicity and ...

4. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   This is a list of welding processes, separated into their respective categories. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063 ). [ 1 ]

5. Post weld heat treatment - Wikipedia

   en.wikipedia.org/wiki/Post_weld_heat_treatment

   It is often referred to as being any heat treatment performed after welding; however, within the oil, gas, petrochemical and nuclear industries, it has a specific meaning. Industry codes, such as the ASME Pressure Vessel and Piping Codes, often require mandatory performance of PWHT on certain materials to ensure a safe design with optimal ...

6. Friction stir welding - Wikipedia

   en.wikipedia.org/wiki/Friction_stir_welding

   Close-up view of a friction stir weld tack tool. The bulkhead and nosecone of the Orion spacecraft are joined using friction stir welding. Joint designs. Friction stir welding (FSW) is a solid-state joining process that uses a non-consumable tool to join two facing workpieces without melting the workpiece material.

7. Forge welding - Wikipedia

   en.wikipedia.org/wiki/Forge_welding

   Forge welding (FOW), also called fire welding, is a solid-state welding process [1] that joins two pieces of metal by heating them to a high temperature and then hammering them together. [2] It may also consist of heating and forcing the metals together with presses or other means, creating enough pressure to cause plastic deformation at the ...

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9. Electron-beam welding - Wikipedia

   en.wikipedia.org/wiki/Electron-beam_welding

   Illustration of keyhole electron beam welding: 1) object, 2) electron beam, 3) keyhole, 4) weld. Electron-beam welding (EBW) is a fusion welding process in which a beam of high-velocity electrons is applied to two materials to be joined. The workpieces melt and flow together as the kinetic energy of