ASTM E 1544 Standard Practice for Construction of a Stepped Block and Its Use to Estimate Errors Produced by Speed-of-Sound Measurement Systems for Use on Solids
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ASTM E 1544 Document Information:
Title
Standard Practice for Construction of a Stepped Block and Its Use to Estimate Errors Produced by Speed-of-Sound Measurement Systems for Use on Solids
ASTM International
Publication Date:
Oct 10, 1999
Scope:
This practice provides a means for evaluating both systematic and
random errors for ultrasonic
speed-of-sound measurement systems which are used for evaluating
material characteristics
associated with residual stress and which may also be used for
nondestructive measurements of the
dynamic elastic moduli of materials. Important features and
construction details of a reference
block crucial to these error evaluations are described. This practice
can be used whenever the
precision and bias of sound speed values are in question.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
Keywords:
- acoustic velocity
- elastic moduli
- materials characterization
- reference standard
- residual stress
- speed of sound
- stress measurement
- ultrasonics
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