A laser-EMAT system for ultrasonic weld inspection
UNSPECIFIED (1999) A laser-EMAT system for ultrasonic weld inspection. In: Conference on Process Control and Sensors for Manufacturing II, NEWPORT BEACH, CA, MAR 03-04, 1999. Published in: PROCESS CONTROL AND SENSORS FOR MANUFACTURING II, 3589 pp. 44-51.Full text not available from this repository.
The non-destructive testing of welded metal components is an area where significant savings in test cost can be made if preparation costs can be minimised. The biggest cost associated with preparation is grinding off the weld cap in order to facilitate the detection of defects that may be present just under the cap. In addition there are also potential savings to be made if the actual testing time can be reduced or if the tests can be performed at temperatures above which conventional contacting ultrasonic techniques cannot be used. This paper describes a non-contact ultrasonic method that uses a pulsed laser as generator and an electromagnetic acoustic transducer (EMAT)as detector which has the potential to interrogate the entire cross section of a weld.
|Item Type:||Conference Item (UNSPECIFIED)|
|Subjects:||Q Science > QC Physics|
|Series Name:||PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)|
|Journal or Publication Title:||PROCESS CONTROL AND SENSORS FOR MANUFACTURING II|
|Publisher:||SPIE-INT SOC OPTICAL ENGINEERING|
|Number of Pages:||8|
|Page Range:||pp. 44-51|
|Title of Event:||Conference on Process Control and Sensors for Manufacturing II|
|Location of Event:||NEWPORT BEACH, CA|
|Date(s) of Event:||MAR 03-04, 1999|
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