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Home » Authors » Tom Nelligan

Tom Nelligan

Tom Nelligan is a senior applications engineer supporting the ultrasonic thickness gage and flaw detector product lines of Olympus Scientific Solutions America (Waltham, MA). He has been working in the field of ultrasonic testing since 1978. For more information, call (781) 419-3900, email tom.nelligan@olympusndt.com or visit www.olympus-ims.com.

Articles

ARTICLES

Ultrasonics_FT

Ultrasonic Testing of Metal Bars and Tubular Products

Whether manual, automated, or phased array, ultrasonic testing can help manufacturers of bars, tubing, and related metal products to ensure product quality and customer satisfaction.
Daniel Kass Tom Nelligan
October 12, 2015
9 Comments

Ultrasonic nondestructive testing (NDT) is a well-established technique that utilizes high frequency sound waves to locate cracks and other hidden flaws in metals, composites, and plastics.


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Ultrasonics_FT

Ultrasonic Testing of Fiberglass and Carbon Fiber Composites

Ultrasonic testing provides a ready and well-established technique for locating and documenting internal flaws.
Tom Nelligan Daniel Kass
August 11, 2014
5 Comments

As the use of fiberglass and carbon fiber composites in manufacturing has grown, so has the need for reliable nondestructive testing, both in the initial fabrication stage and while in service.


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ultrasonics_FT

Ultrasonic Flaw Detection as a Quality Tool

The potential uses of ultrasonic flaw detection in manufacturing operations are numerous and diverse.
Tom Nelligan
January 31, 2014
2 Comments

Some modern technology has ancient roots. Hundreds of years ago, foundry workers used sound waves to test the integrity of metal castings by tapping them with a hammer and listening to the tone of the ring.


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Ultrasonics Ensure Weld Integrity

Michael Moles Ph.D., M Tom Nelligan
February 1, 2007
No Comments
Phased array systems represent the latest development for weld testing, offering sophisticated imaging capability.
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