Diffusivity measurement using quasi periodic temperature response modeling

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1993
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Emeric, Pierre
Winfree, William
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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Periodic heat flow methods for measurement of the diffusivity of a material have proven to be highly effective methods dating back to the work of Angstrom. Typically, these measurements have involved a determination of the phase lag between a source applied to the surface and the temperature measured at the opposite surface. When the frequency of the periodic heating is well matched to specimen, it represents perhaps the most efficient thermal diffusivity measurement technique.

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Fri Jan 01 00:00:00 UTC 1993