Page 220 - Handbook of Adhesives and Sealants
P. 220
Quality Control and Nondestructive Tests 191
Figure 5.4 Two methods of scanning with thermal NDT system. In (a) the
focused thermal source and radiometer sensor are stationary while the
product is moved in two directions to produce the scanning pattern. In (b)
the product moves in one direction as the radiometer detector oscillates to
provide the scanning motion. 6
Through-put rate required of the NDT process
Required documentation of the process and test results.
5.4 Testing of Failed Joints for Cause
of Failure
Close examination of failed joints can sometimes lead to an explana-
tion of why the specimen failed. With visual or microscopic examina-
