Accession Number : ADD013328

Title :   Laser/Ultrasonic Welding Technique.

Descriptive Note : Patent, Filed 27 Jul 79, patented 18 May 82,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Farrow, Michael M

Report Date : 18 May 1982

Pagination or Media Count : 5

Abstract : A non-contact laser/ultrasonic welding technique for strengthening the common laser weld by the addition of ultrasonic cavitation and cleaning. A high powered laser applies heat to a weld joint to produce a melt. The output of the laser, or a second laser, is amplitude modulated to generate acoustic waves in the melt. The improved interdiffusion of the melt and the homogeneity of the weld joint result in an improved quality laser weld.

Descriptors :   *LASER WELDING, *ULTRASONIC WELDING, *WELDED JOINTS, *PATENTS, ACOUSTIC WAVES, CAVITATION, DIFFUSION, HIGH POWER, LASERS, MELTS, OUTPUT, QUALITY, ULTRASONICS, WELDS

Subject Categories : Fabrication Metallurgy
      Couplers, Fasteners, and Joints

Distribution Statement : APPROVED FOR PUBLIC RELEASE