Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties
Abstract
Apparatus and method for detecting shear resonances includes structure and steps for applying a radiation pulse from a pulsed source of radiation to an object to generate elastic waves therein, optically detecting the elastic waves generated in the object, and analyzing the elastic waves optically detected in the object. These shear resonances, alone or in combination with other information, may be used in the present invention to improve thickness measurement accuracy and to determine geometrical, microstructural, and physical properties of the object. At least one shear resonance in the object is detected with the elastic waves optically detected in the object. Preferably, laser-ultrasound spectroscopy is utilized to detect the shear resonances.
- Inventors:
-
- Terrebonne, CA
- St-Bruno-de-Montarville, CA
- Montreal, CA
- St-Bruno, CA
- Beloeil, CA
- Issue Date:
- Research Org.:
- American Iron and Steel Institute, Washington, DC (United States)
- OSTI Identifier:
- 872983
- Patent Number(s):
- 6057927
- Assignee:
- American Iron and Steel Institute (Washington, DC)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
G - PHYSICS G01 - MEASURING G01K - MEASURING TEMPERATURE
- DOE Contract Number:
- FC07-93ID13205
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- laser-ultrasound; spectroscopy; apparatus; method; detection; shear; resonances; measuring; anisotropy; thickness; properties; detecting; structure; steps; applying; radiation; pulse; pulsed; source; generate; elastic; waves; therein; optically; generated; analyzing; detected; combination; information; improve; measurement; accuracy; determine; geometrical; microstructural; physical; resonance; preferably; utilized; detect; waves generated; physical properties; radiation pulse; waves therein; optically detected; shear resonances; elastic wave; ultrasound spectroscopy; thickness measurement; pulsed source; shear resonance; /356/
Citation Formats
Levesque, Daniel, Moreau, Andre, Dubois, Marc, Monchalin, Jean-Pierre, Bussiere, Jean, Lord, Martin, and Padioleau, Christian. Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties. United States: N. p., 2000.
Web.
Levesque, Daniel, Moreau, Andre, Dubois, Marc, Monchalin, Jean-Pierre, Bussiere, Jean, Lord, Martin, & Padioleau, Christian. Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties. United States.
Levesque, Daniel, Moreau, Andre, Dubois, Marc, Monchalin, Jean-Pierre, Bussiere, Jean, Lord, Martin, and Padioleau, Christian. Sat .
"Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties". United States. https://www.osti.gov/servlets/purl/872983.
@article{osti_872983,
title = {Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties},
author = {Levesque, Daniel and Moreau, Andre and Dubois, Marc and Monchalin, Jean-Pierre and Bussiere, Jean and Lord, Martin and Padioleau, Christian},
abstractNote = {Apparatus and method for detecting shear resonances includes structure and steps for applying a radiation pulse from a pulsed source of radiation to an object to generate elastic waves therein, optically detecting the elastic waves generated in the object, and analyzing the elastic waves optically detected in the object. These shear resonances, alone or in combination with other information, may be used in the present invention to improve thickness measurement accuracy and to determine geometrical, microstructural, and physical properties of the object. At least one shear resonance in the object is detected with the elastic waves optically detected in the object. Preferably, laser-ultrasound spectroscopy is utilized to detect the shear resonances.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {1}
}
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