Thermal imaging measurement of lateral diffusivity and non-invasive material defect detection
Abstract
A system and method for determining lateral thermal diffusivity of a material sample using a heat pulse; a sample oriented within an orthogonal coordinate system; an infrared camera; and a computer that has a digital frame grabber, and data acquisition and processing software. The mathematical model used within the data processing software is capable of determining the lateral thermal diffusivity of a sample of finite boundaries. The system and method may also be used as a nondestructive method for detecting and locating cracks within the material sample.
- Inventors:
-
- Westmont, IL
- Downers Grove, IL
- Issue Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- OSTI Identifier:
- 875031
- Patent Number(s):
- 6517238
- Assignee:
- The United States of America as represented by the United States Department (Washington, DC)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- W-31109-ENG-38
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- thermal; imaging; measurement; lateral; diffusivity; non-invasive; material; defect; detection; method; determining; sample; heat; pulse; oriented; orthogonal; coordinate; infrared; camera; computer; digital; frame; grabber; data; acquisition; processing; software; mathematical; model; capable; finite; boundaries; nondestructive; detecting; locating; cracks; mathematical model; thermal imaging; /374/250/702/
Citation Formats
Sun, Jiangang, and Deemer, Chris. Thermal imaging measurement of lateral diffusivity and non-invasive material defect detection. United States: N. p., 2003.
Web.
Sun, Jiangang, & Deemer, Chris. Thermal imaging measurement of lateral diffusivity and non-invasive material defect detection. United States.
Sun, Jiangang, and Deemer, Chris. Wed .
"Thermal imaging measurement of lateral diffusivity and non-invasive material defect detection". United States. https://www.osti.gov/servlets/purl/875031.
@article{osti_875031,
title = {Thermal imaging measurement of lateral diffusivity and non-invasive material defect detection},
author = {Sun, Jiangang and Deemer, Chris},
abstractNote = {A system and method for determining lateral thermal diffusivity of a material sample using a heat pulse; a sample oriented within an orthogonal coordinate system; an infrared camera; and a computer that has a digital frame grabber, and data acquisition and processing software. The mathematical model used within the data processing software is capable of determining the lateral thermal diffusivity of a sample of finite boundaries. The system and method may also be used as a nondestructive method for detecting and locating cracks within the material sample.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2003},
month = {1}
}
Save to My Library
You must Sign In or Create an Account in order to save documents to your library.
Works referenced in this record:
The Application of Thermal Diffusivity Imaging to Sic-Fiber- Reinforced Silicon Nitride
book, January 1993
- Cramer, K. Elliott; Winfree, William P.; Generazio, Edward R.
- Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12, p. 1305-1311
Thermal imaging measurement and correlation of thermal diffusivity in continuous fiber ceramic composites
report, September 1997
- Sun, J. G.; Deemer, C.; Ellingson, W. A.
- ANL/ET/CP--93341
Novel Measurement of Anisotropie Thermal Diffusivity
book, January 1998
- Ouyang, Zhong; Zhang, Feng; Wang, Li
- Review of Progress in Quantitative Nondestructive Evaluation, Vol. 17, p. 453-456