Pipe test

J. K. Van Velsor, R. L. Royer, S. E. Owens, Joseph Lawrence Rose

Research output: Contribution to journalArticle

Abstract

A new long-range guided wave testing (GWT) technology for pipe inspection has been developed that synthesizes the advantages of both traditional piezoelectric and magnetostrictive GWT technology. This new multichannel magnetostrictive sensor technology combines a high signal-to-noise ratio created using magnetostrictive technology with the superior circumferential resolution and energy focusing capabilities of standard piezoelectric GWT tools. The technique is particularly suited to structural health monitoring (SHM) situations where sensors or sensor components are permanently bonded in place. The result is an extremely low-profile, 1.27 mm (0.05 in.) phased array transducer collar that utilizes distributed surface loading, as opposed to small localized loading, to practically eliminate the near field seen with traditional GWT collars. The near field is associated with the distance required to fully develop the ultrasonic beam to its desired form. This new technology will have a direct impact in the nuclear, fossil, oil and gas, and gas transmission industries. This paper discusses the basic concept, an example result and the benefits of the new multichannel magnetostrictive sensor design.

Original languageEnglish (US)
Pages (from-to)1297-1301
Number of pages5
JournalMaterials Evaluation
Volume71
Issue number11
StatePublished - 2013

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Guided electromagnetic wave propagation
Pipe
Sensors
Testing
Gases
Structural health monitoring
Transducers
Signal to noise ratio
Oils
Inspection
Ultrasonics
Industry

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Van Velsor, J. K., Royer, R. L., Owens, S. E., & Rose, J. L. (2013). Pipe test. Materials Evaluation, 71(11), 1297-1301.
Van Velsor, J. K. ; Royer, R. L. ; Owens, S. E. ; Rose, Joseph Lawrence. / Pipe test. In: Materials Evaluation. 2013 ; Vol. 71, No. 11. pp. 1297-1301.
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Van Velsor, JK, Royer, RL, Owens, SE & Rose, JL 2013, 'Pipe test', Materials Evaluation, vol. 71, no. 11, pp. 1297-1301.

Pipe test. / Van Velsor, J. K.; Royer, R. L.; Owens, S. E.; Rose, Joseph Lawrence.

In: Materials Evaluation, Vol. 71, No. 11, 2013, p. 1297-1301.

Research output: Contribution to journalArticle

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AU - Royer, R. L.

AU - Owens, S. E.

AU - Rose, Joseph Lawrence

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Van Velsor JK, Royer RL, Owens SE, Rose JL. Pipe test. Materials Evaluation. 2013;71(11):1297-1301.