Non-destructive butt weld inspection method

Details Non-destructive butt weld inspection method Non-destructive butt weld inspection method

2005-03-08

2005-03-08

Williams, Hezron (Department: 2856)

Measuring and testing

Inspecting

C073S15000R, C073S850000

Reexamination Certificate

active

06862944

ABSTRACT:
A non-destructive plastic butt weld inspection method in which the weld bead42is removed from an exterior surface of a weld zone region44of a butt weld and the weld zone region44is heated to a temperature sufficient to visualize the weld zone44. After heating, defective joints are readily identified by the appearance of a bond line40in the weld zone44while satisfactory joints merely show the weld zone44with no evidence of a bond line40. Surface irregularities such as ridges46and indentations48may also form in the weld zone during the heating step.

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patent: 5738268 (1998-04-01), VanderPol et al.
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