Accession Number : ADA326944

Title :   Laser Generated Elastic Waves for Ultrasonic Evaluation.

Descriptive Note : Final rept. Jun 79 - Jun 80,

Corporate Author : IBM THOMAS J WATSON RESEARCH CENTER YORKTOWN HEIGHTS NY

Personal Author(s) : VON Gutfeld, R. J.

PDF Url : ADA326944

Report Date : JUN 1980

Pagination or Media Count : 53

Abstract : A summary of work using lasers to generate elastic waves for NDT is presented. Included is work on flaw detection of small holes, simulated cracks and varying film thicknesses of several samples. Calculations on thermal profiles for a number of multilayered configurations is presented. Experiments on beam profiling and photoacoustics in relation to flaw detection are described.

Descriptors :   *CRACKING(FRACTURING), *DYE LASERS, COMPUTERIZED SIMULATION, THICKNESS, DETECTION, NONDESTRUCTIVE TESTING, CRACKS, FILMS, PULSED LASERS, ULTRASONICS, HOLES(OPENINGS), PIEZOELECTRICITY, ELASTIC WAVES, THERMOELASTICITY.

Subject Categories : Lasers and Masers
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE