ASTM-C1331:2018 Edition
$40.63
C1331-18 Standard Practice for Measuring Ultrasonic Velocity in Advanced Ceramics with Broadband Pulse-Echo Cross-Correlation Method
| Published By | Publication Date | Number of Pages |
| ASTM | 2018 | 8 |
ASTM C1331-18
Historical Standard: Standard Practice for Measuring Ultrasonic Velocity in Advanced Ceramics with Broadband Pulse-Echo Cross-Correlation Method
ASTM C1331
Scope
1.1 This practice describes a procedure for measurement of ultrasonic velocity in structural engineering solids such as monolithic ceramics, toughened ceramics, and ceramic matrix composites.
1.2 This 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.
1.3 This 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
1.4 This 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.
Keywords
ceramic composites; material microstructure; materials characterization; monolithic ceramics; nondestructive evaluation; polycrystalline metals; pulse-echo technique; structural composites; ultrasonics; ultrasonic velocity;
ICS Code
ICS Number Code 81.060.30 (Advanced ceramics)
DOI: 10.1520/C1331-18
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