Simultaneous Microscopic Imaging of Elastic and Thermal Anisotropy

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Simultaneous imaging of elastic and thermal properties of anisotropic materials with micron (lateral) and nanometer (depth) resolution is presented. This approach employs an ultrafast laser for the generation and detection of thermal and acoustic waves. Demonstrations involving the visualization of thermal waves and surface acoustic waves are presented for single crystal quartz and fused silica substrates supper coated with chromium films. These images dramatically reveal and contrast the symmetry of thermal and elastic properties and compare favorably with theoretical prediction. This hybrid approach shows great promise to investigate fundamental properties of materials and interfacts on both a low-frequency (elastic wave) ... continued below

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Hurley, David H. & Telschow, Ken May 1, 2006.

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Simultaneous imaging of elastic and thermal properties of anisotropic materials with micron (lateral) and nanometer (depth) resolution is presented. This approach employs an ultrafast laser for the generation and detection of thermal and acoustic waves. Demonstrations involving the visualization of thermal waves and surface acoustic waves are presented for single crystal quartz and fused silica substrates supper coated with chromium films. These images dramatically reveal and contrast the symmetry of thermal and elastic properties and compare favorably with theoretical prediction. This hybrid approach shows great promise to investigate fundamental properties of materials and interfacts on both a low-frequency (elastic wave) and a high-frequency (phonon diffusion) scale.

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  • 5th International Conference on NDE in Relation to Strutural Integrity for Nuclear & Pressurized Com,San Diego, CA,05/10/2006,05/12/2006

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  • Report No.: INL/CON-05-00977
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 911805
  • Archival Resource Key: ark:/67531/metadc887077

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  • May 1, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 7, 2016, 6:15 p.m.

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Hurley, David H. & Telschow, Ken. Simultaneous Microscopic Imaging of Elastic and Thermal Anisotropy, article, May 1, 2006; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc887077/: accessed April 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.