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2. 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.

3. Ultrasonic welding - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_welding

   Ultrasonic welding of thin metallic foils. The sonotrode is rotated along the weld seam.. Ultrasonic welding is an industrial process whereby high-frequency ultrasonic acoustic vibrations are locally applied to work pieces being held together under pressure to create a solid-state weld.

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. American Welding Society - Wikipedia

   en.wikipedia.org/wiki/American_Welding_Society

   American Welding Society ATFs are listed on the official AWS website and advertised in the American Welding Society's Welding Journal magazine. The ATF program requires that a facility implements a quality assurance program that meets the requirements established in the AWS QC4-89, Standard for the Accreditation of Testing Facilities. [ 5 ]

6. Electron-beam welding - Wikipedia

   en.wikipedia.org/wiki/Electron-beam_welding

   For welding thin-walled parts, appropriate welding aids are generally needed. Their construction must provide perfect contact of the parts and prevent movement during welding. Usually they have to be designed individually for a given workpiece. Not all materials can be welded by an electron beam in a vacuum.

7. Losing muscle may increase risk of developing dementia - AOL

   www.aol.com/losing-muscle-may-increase-risk...

   Sarcopenia is linked to an increased risk of dementia, a new study finds, but suggests that older adults may reduce this risk by exercising and consuming adequate protein.