ASTM C 1331 : 2018 : REDLINE
Current
The latest, up-to-date edition.
Standard Practice for Measuring Ultrasonic Velocity in Advanced Ceramics with Broadband Pulse-Echo Cross-Correlation Method
English
27-02-2018
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 13.04, 2018 Specifies a procedure for measurement of ultrasonic velocity in structural engineering solids such as monolithic ceramics, toughened ceramics and ceramic matrix composites.
| Committee |
E 07
|
| DocumentType |
Redline
|
| Pages |
8
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
1.1This practice describes a procedure for measurement of ultrasonic velocity in structural engineering solids such as monolithic ceramics, toughened ceramics, and ceramic matrix composites.
1.2This practice is based on the broadband pulse-echo contact ultrasonic method. The procedure involves a computer-implemented, frequency-domain method for precise measurement of time delays between pairs of echoes returned by the back surface of a test sample or part.
1.3This practice describes a procedure for using a digital cross-correlation algorithm for velocity measurement. The cross-correlation function yields a time delay between any two echo waveforms (1).2
1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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