Method to grain inspect directionally solidified castings

Details Method to grain inspect directionally solidified castings Method to grain inspect directionally solidified castings

2006-04-25

2006-04-25

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

Inspection of flaws or impurities

Surface condition

Reexamination Certificate

active

07034931

ABSTRACT:
A method for detecting defects in metallic parts, comprising the steps of providing a metallic surface comprising a repeating microstructure and at least one surface defect, redirecting an incident light beam off of an area of the metallic surface comprising the at least one surface defect thereby forming a redirected light beam, observing the redirected light beam, detecting at least a portion of the redirected light beam resulting from redirection off of the at least one surface defect.

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