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NDT-net (Rolf Diederichs) - http://www.ndt.net/article/ut_az/ut_u/ut_u.htm
UT-Encyclopedia |
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Vibrationdata.com Tutorials - http://www.vibrationdata.com/tutorials.htm
The tutorials and course materials require a username and password which can be obtained with an annual subscription fee. |
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Acoustical Standards - http://asa.aip.org/map_standards.html
Acoustical Society of America |
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Nondestructive Material Testing with Ultrasonics - http://www.ndt.net/article/v05n09/berke/berke1.htm
Introduction to the Basic Principles (Krautkrämer, NDt-net) |
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Ultrasonics - http://www.xdcr.com/ut.html
Dedicated to the art and science of ultrasonic nondestructive testing and allied fields. |