A novel technique with a magnetostrictive transducer for in situ length monitoring of a distant specimen

Michael Pedrick, Michael Heckman, Bernhard R. Tittmann

Research output: Contribution to journalConference article

10 Citations (Scopus)

Abstract

A Magnetostrictive sensor was used to generate sound waves in a specimen through thirty feet of wire. Many hardware aspects are discussed such as boundaries, materials, acoustic horn design, and sound propagation characteristics which facilitated the generation of sound energy in the specimen. Temperature effects on velocity and length were calculated and a model was developed to determine length from a time of flight measurement. The specimen was heated in an oven to various temperatures and times of flight were measured and compared to the model. Results show agreement between the measured values and the model as well as the ability for a high precision length measurement.

Original languageEnglish (US)
Pages (from-to)73-78
Number of pages6
JournalAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume456
DOIs
StatePublished - Nov 24 2003
Event2003 ASME Pressure Vessels and Piping Conference - Cleveland, OH, United States
Duration: Jul 20 2003Jul 24 2003

Fingerprint

Transducers
Acoustic waves
Monitoring
Ovens
Thermal effects
Acoustics
Wire
Hardware
Sensors
Temperature

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

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abstract = "A Magnetostrictive sensor was used to generate sound waves in a specimen through thirty feet of wire. Many hardware aspects are discussed such as boundaries, materials, acoustic horn design, and sound propagation characteristics which facilitated the generation of sound energy in the specimen. Temperature effects on velocity and length were calculated and a model was developed to determine length from a time of flight measurement. The specimen was heated in an oven to various temperatures and times of flight were measured and compared to the model. Results show agreement between the measured values and the model as well as the ability for a high precision length measurement.",
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A novel technique with a magnetostrictive transducer for in situ length monitoring of a distant specimen. / Pedrick, Michael; Heckman, Michael; Tittmann, Bernhard R.

In: American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, Vol. 456, 24.11.2003, p. 73-78.

Research output: Contribution to journalConference article

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