Ultrasound is cyclic sound pressure with a frequency of 20 kilohertz or over, greater than the upper limit of human hearing.
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Nondestructive Material Testing with Ultrasonics
Introduction to the basic principles.
Dedicated to the art and science of ultrasonic nondestructive testing and allied fields.
The tutorials and course materials require a username and password which can be obtained with an annual subscription fee.
Last update:August 21, 2016 at 13:26:00 UTC