Method, device, and test specimen for testing a part, and...

Details Method, device, and test specimen for testing a part, and... Method, device, and test specimen for testing a part, and...

2004-11-09

2010-06-29

Williams, Hezron (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Apparatus for measuring by use of vibration or apparatus for...

Reexamination Certificate

active

07743639

ABSTRACT:
A method and a device are for testing the detectability of at least one flaw in a component, or for evaluating ultrasonic signals of the flaw. The method provides for an electronic specification of the flaw to be generated, which includes a two-dimensional or three-dimensional point pattern. This specification predefines the number, position, shape, orientation, and dimensions of flaws to be deliberately generated. A test specimen is produced, where for each point of the point pattern, a microcrack is generated at the position of this point. An ultrasonic image of the test specimen is recorded and evaluated. The test specimen may be made out of a material transparent to visible light, e.g., crown glass, optical glass, borosilicate glass, or quartz glass. The microcracks may be produced, using internal laser engraving.

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