Concurrent ultrasonic weld evaluation system

Details Concurrent ultrasonic weld evaluation system Concurrent ultrasonic weld evaluation system

1985-09-04

1987-12-15

Godici, Nicholas P.

Metal fusion bonding

Process

With measuring, testing, indicating, inspecting, or...

228 9, 228 565, B23K 522, B23K 932, B23K 3700

Patent

active

047127228

ABSTRACT:
A system for concurrent, non-destructive evaluation of partially completed welds for use in conjunction with an automated welder. The system utilizes real time, automated ultrasonic inspection of a welding operation as the welds are being made by providing a transducer which follows a short distance behind the welding head. Reflected ultrasonic signals are analyzed utilizing computer based digital pattern recognition techniques to discriminate between good and flawed welds on a pass by pass basis. The system also distinguishes between types of weld flaws.

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patent: 4524622 (1985-06-01), Suzuki et al.
"Weld Energy Reduction By Using Concurrent Nondestructive Evaulation: Independent Systems Plate Tests", Johnson and Smartt, EG&G Idaho, Inc., Internal Technical Report, Materials Science Division, Mar., 1984.

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