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NDT.net Issue - 2020-06 - Articles
NDT.net Issue: 2020-06
Publication: e-Journal of Nondestructive Testing (NDT) ISSN 1435-4934 (NDT.net Journal)
ARTICLE

Ultrasonic Angle Beam Calibration of Ring Forgings

Anmol S. Birring4
NDE Associates, Inc.4, Houston, TX, USA

Abstract: Ultrasonic inspection of ring and hollow forgings is done with angle beam testing. Calibration for such inspection is done on 3 % deep ID and OD notches. While the industry standard recommends making such notches in one the forgings, they do allow use of other blocks with the same composition, heat treatment, and thickness. This alternate option allows calibration blocks with other diameters as well as flat blocks of the same thickness. This paper shows that flat calibration blocks when used to inspect ring forgings can produce significant loss in inspection sensitivity. For a reliable inspection, ring forging calibration blocks should not only be of the same thickness but also similar curvature.

Keywords: Ultrasonic Testing (UT) (4107), calibration (91), forgings (5), ring forgings, hollow forgings, A388, 3% notches,
*Keywords are freely formed keywords from the authors and thus you may Search also for similar terms.

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More from "NDE Associates, Inc." (3)
2020-07Ultrasonic Angle Beam Calibration - Notches and Side Drilled Holes
2020-06TOFD Principle, Limitations, Calibration and Inspection
2020-05Application of Phased Arrays for Corrosion Resistant Alloy (CRA) Welds
... All 3 Details >
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