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Thermal strain measurement by one-beam laser speckle interferometry

✍ Scribed by Chiang, F. P. ;Anastasi, R. ;Beatty, J. ;Adachi, J.


Book ID
115328568
Publisher
The Optical Society
Year
1980
Tongue
English
Weight
608 KB
Volume
19
Category
Article
ISSN
1559-128X

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We have monitored the evolution of the strain-rates induced on an aluminium sample subjected to a uniaxial tensile test. At different load stages of the test, the strain-rate at each point of the field was obtained from fringe patterns generated by electronic speckle-pattern interferometry (ESPI), a