Method and apparatus for real time defect inspection of metal at

Details Method and apparatus for real time defect inspection of metal at Method and apparatus for real time defect inspection of metal at

1995-02-02

1997-08-05

Bennett, G. Bradley

Thermal measuring and testing

Leak or flaw detection

374124, G01N 2572

Patent

active

056549776

ABSTRACT:
A system for detecting, in real time, the existence, depth, extent, and type of a defect in an above ambient temperature object which has been formed by working or other heat input. Such defect detection is performed by analyzing IR emissions from the product, and from a defect site in particular, in order to assess the characteristics of the detected defect. The defect observables are then compared with known defect training data in order to characterize the defect as to type, depth and extent.

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patent: 4759072 (1988-07-01), Yamane et al.
patent: 4958307 (1990-09-01), Nishimura
patent: 5358333 (1994-10-01), Schmidt et al.
"New Defect-Detection System For A Rod and Bar Mill", Eisuke Yamanaka et al, pp. 1-14 (1993).

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