Event Title

Development of Very Low Frequency Self-Nulling Probe for Inspection of Thick Layered Aluminum Structures

Location

Snowbird, UT, USA

Start Date

1-1-1999 12:00 AM

Description

Nondestructive evaluation technologies have recently been challenged to inspect thick, layered, conducting materials for fatigue and corrosion damage. Structures that fall into this class, such as airframe wings, pose significant difficulties for conventional inspection techniques. Reflections of ultrasound at layer boundaries cause serious problems for the application of ultrasonic inspection methods. Conventional eddy-current inspection techniques are also compromised due to the exponential decay of electromagnetic energy with depth into a conductor.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

18A

Chapter

Chapter 4: UT Transducers and Fields, Sensors

Section

NDE Sensors

Pages

1177-1184

DOI

10.1007/978-1-4615-4791-4_150

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

Development of Very Low Frequency Self-Nulling Probe for Inspection of Thick Layered Aluminum Structures

Snowbird, UT, USA

Nondestructive evaluation technologies have recently been challenged to inspect thick, layered, conducting materials for fatigue and corrosion damage. Structures that fall into this class, such as airframe wings, pose significant difficulties for conventional inspection techniques. Reflections of ultrasound at layer boundaries cause serious problems for the application of ultrasonic inspection methods. Conventional eddy-current inspection techniques are also compromised due to the exponential decay of electromagnetic energy with depth into a conductor.