Non-destructive dimensional and flaw inspection of thin wall tub

Details Non-destructive dimensional and flaw inspection of thin wall tub Non-destructive dimensional and flaw inspection of thin wall tub

1990-05-17

1991-11-12

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73633, 376252, G01N 2926

Patent

active

050637797

ABSTRACT:
Nuclear fuel cladding tube end plug welds are ultrasonically scanned to develop data indicative of weld thickness, weld penetration, and the existence and size of any included feature, such as pores. A computer analyzes the data to determine critical weld characteristics which are then tested against established quality assurance standards to see if the end plug weld is acceptable, all on an automated production line basis.

REFERENCES:
patent: 3382707 (1968-05-01), Heselwood
patent: 4065960 (1978-01-01), Grabendorfer
patent: 4213345 (1980-07-01), Dufour
patent: 4516429 (1985-05-01), Haacke et al.
patent: 4554128 (1985-11-01), Parker et al.
patent: 4554835 (1985-11-01), Sakuragi et al.
patent: 4599900 (1986-07-01), Friedman

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