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2. Ultrasonic welding - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_welding

   Ultrasonic welding does not damage surface finish because the high-frequency vibrations prevent marks from being generated, which is a crucial consideration for many car manufacturers, . [10] Ultrasonic welding is generally utilized in the aerospace industry when joining thin sheet gauge metals and other lightweight materials.

3. Ultrasonic impact treatment - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_impact_treatment

   Ultrasonic impact treatment (UIT) is a metallurgical processing technique, similar to work hardening, in which ultrasonic energy is applied to a metal object. This technique is part of the High Frequency Mechanical Impact (HFMI) processes. Other acronyms are also equivalent: Ultrasonic Needle Peening (UNP), Ultrasonic Peening (UP).

4. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   Gas Metal Arc Welding [3] 131 135: GMAW Continuous consumable electrode and shielding gas: Industry Gas Tungsten Arc Welding [4] 141: GTAW Nonconsumable electrode, slow, high quality welds Aerospace, Construction (piping), Tool and Die Plasma Arc Welding: 15: PAW Nonconsumable electrode, constricted arc Tubing, instrumentation Shielded Metal ...

5. Erie High welding teacher surprised with $100,000 Harbor ...

   www.aol.com/erie-high-welding-teacher-surprised...

   Newell's prize was one of five grand prizes awarded by Harbor Freight Tools for Schools on Tuesday. Erie High welding teacher surprised with $100,000 Harbor Freight teaching excellence prize Skip ...

6. Ultrasonic consolidation - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_consolidation

   Instead, metals are joined in the solid-state via disruption of surface oxide films between the metals, i.e. ultrasonic metal welding mechanisms. [ 3 ] [ 4 ] CNC contour milling is used interchangeably with the additive stage of the process to introduce internal features and add detail to the metal part.

7. Ultrasonic machining - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_machining

   Schematic of ultrasonic machining process An ultrasonic drill from 1955. Ultrasonic machining is a subtractive manufacturing process that removes material from the surface of a part through high frequency, low amplitude vibrations of a tool against the material surface in the presence of fine abrasive particles.