Measurement of Local Modules of Elasticity of Construction Materials using Laser Ultrasonic Sources
Doklady Physics(2022)
摘要
This paper presents the results of experimental measurements of the elastic moduli of structural materials using a technique with laser sources of ultrasonic pulses. This method allows measurements to be carried out locally (lateral resolution from 1 mm, object thickness from 2 mm) and promptly (measurement time of less than 1 s) and with one-sided access to the controlled object.
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关键词
ultrasound speed,photoacoustics,laser ultrasound,elastic moduli
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