Techniques and processes for the measurement of the resonances of small single crystals

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The mechanical resonances of small oriented single crystals of materials of interest to basic science and engineering can be used to determine all the elastic moduli and the ultrasonic attenuation of these materials. To measure the resonances of the samples without introducing the resonances of the measuring system requires that the transducers be non-resonant at the frequencies of interest, and that they be well isolated from their mounts. However, for samples near 1 mm in the largest dimension, the transducer design problem becomes sever, and the signals become weak. In addition, no resonances can be missed, and, often, the symmetry ... continued below

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Pages: (11 p)

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Migliori, A.; Stekel, A.; Sarrao, J.L.; Visscher, W.M.; Bell, T. & Lei, M. January 1, 1991.

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The mechanical resonances of small oriented single crystals of materials of interest to basic science and engineering can be used to determine all the elastic moduli and the ultrasonic attenuation of these materials. To measure the resonances of the samples without introducing the resonances of the measuring system requires that the transducers be non-resonant at the frequencies of interest, and that they be well isolated from their mounts. However, for samples near 1 mm in the largest dimension, the transducer design problem becomes sever, and the signals become weak. In addition, no resonances can be missed, and, often, the symmetry class of the resonances must be known. We outline here appropriate transducer, electronics, and system designs to circumvent these problems. 10 refs., 4 figs.

Physical Description

Pages: (11 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • 28. annual meeting of the Society of Engineering Science, Inc., Gainesville, FL (United States), 6-8 Nov 1991

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  • Other: DE92000188
  • Report No.: LA-UR-91-3060
  • Report No.: CONF-911176--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5058713
  • Archival Resource Key: ark:/67531/metadc1056937

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1991

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 7:05 p.m.

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Migliori, A.; Stekel, A.; Sarrao, J.L.; Visscher, W.M.; Bell, T. & Lei, M. Techniques and processes for the measurement of the resonances of small single crystals, article, January 1, 1991; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1056937/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.