Eur. Phys. J. Appl. Phys.
Volume 74, Number 2, May 2016
Materials for Energy Harvesting, Conversion and Storage (ICOME 2015)
|Number of page(s)||7|
|Section||Instrumentation and Metrology|
|Published online||27 May 2016|
Local detection of defects in materials by thermal analysis – flash method*
Mohammed V University of Rabat, EST-LASTIMI, Sale, B.P. 227, Sale-Medina, Morocco
2 Mohammed V University of Rabat, Faculty of Sciences, UFR in ATI, B.P. 1014, Rabat, Morocco
3 Mohammed V University of Rabat, EST-LEME, Sale, B.P. 227, Sale-Medina, Morocco
a e-mail: firstname.lastname@example.org
Revised: 12 January 2016
Accepted: 4 April 2016
Published online: 27 May 2016
This is mainly an experimental contribution about defect detection based on the flash method generally used to characterize the thermal diffusivity of the material. The temperature rise on the rear face of the sample generated by the flash provides important information. We have conceived and realized a contact thermal sensor consisting of forty-nine type K thermocouples distributed over the rear face of the sample to be tested. The thermocouples responses, as measured by several thermograms, are given in several measuring points distributed over the entire bottom surface of the sample. Analysis of the experimental results shows that the temperature rise provide important information to establish a thermal system for defect detection in homogeneous materials containing heterogeneities.
© EDP Sciences, 2016
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