Radiographic inspection of tube welds in panel walls

Details Radiographic inspection of tube welds in panel walls Radiographic inspection of tube welds in panel walls

1989-07-03

1990-05-08

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 51, G01B 1506

Patent

active

049244817

ABSTRACT:
A method of inspecting tube welds in tubular membrane panel walls whereby a radiation source if placed intermediate adjacent tube welds with radiographic film positioned along the far wall of each adjacent tube thereby covering the far wall critical area of each tube weld. Simultaneously each radiographic film is exposed to an intermediate radiation source thereby creating an actual size image of each tube weld with both images totaling or equaling at least one full weld being radiographed per exposure.

REFERENCES:
patent: 3958120 (1976-05-01), Ward
patent: 4567012 (1986-01-01), Radcliff
1986 ASME Code, Section V, Article 2, "Radiographic Examination".
R. Halmshaw, Non-Destructive Testing, Copyrighted 1987, pp. 90 and 91.

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