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ASTM-E1065:2008 Edition

ASTM-E1065:2008 Edition

$58.50

E1065-08 Standard Guide for Evaluating Characteristics of Ultrasonic Search Units

Published By Publication Date Number of Pages
ASTM 2008 23
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1.1 This guide covers measurement procedures for evaluating certain characteristics of ultrasonic search units (also known as transducers ) that are used with ultrasonic examination instrumentation. This guide describes means for obtaining performance data that may be used to define the acoustic and electric responses of ultrasonic search units.

1.2 The procedures are designed to measure search units as individual components (separate from the ultrasonic test instrument) using commercial search unit characterization systems or using laboratory instruments such as signal generators, pulsers, amplifiers, oscilloscopes, and waveform analyzers.

1.3 The procedures are applicable to manufacturing acceptance and incoming inspection of new search units or to periodic performance evaluation of search units throughout their service life.

1.4 The procedures in Annex A1-Annex A6 are generally applicable to ultrasonic search units operating within the 0.4 to 10 MHz range. Annex A7 is applicable to higher frequency immersion search unit evaluation. Annex A8 describes a guide for measuring sound beam profiles in metals from contact straight-beam search units. Additional Annexes, such as sound beam profiling for angle-beam search units in metal and alternate means for search unit characterization, will be added when developed.

1.5 The values stated in inch-pound units are to be regarded as standard.

1.6 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Guide
Significance and Use
3 FIG. 1
FIG. 2
4 Typical Results Obtainable from Tests Described in

Keywords
A1. MEASUREMENT OF FREQUENCY RESPONSE
A1.1
A1.2

5 A1.3
FIG. A1.1
6 FIG. A1.2
FIG. A1.3
7 A1.4
FIG. A1.4
8 FIG. A1.5
FIG. A1.6
9 A2. BANDWIDTH MEASUREMENTS
A2.1
A2.2
A2.3
A2.4
A2.5
A3. RELATIVE PULSE-ECHO SENSITIVITY
A3.1
A3.2
FIG. A1.7
10 A4. MEASUREMENT OF TIME RESPONSE

A4.1
A4.2
A4.3
FIG. A3.1

11 A5. ELECTRICAL IMPEDANCE MEASUREMENTS
A5.1
FIG. A4.1
12 A6. MEASUREMENT OF SOUND FIELD PARAMETERS
A6.1
A6.2
A6.3
FIG. A5.1
13 FIG. A6.1
FIG. A6.2
FIG. A6.3
14 FIG. A6.4
15 A6.4
FIG. A6.5
16 A6.5
FIG. A6.6
17 FIG. A6.7
FIG. A6.8
18 A7. SPECIAL TECHNIQUES FOR HIGH-FREQUENCY BROADBAND IMMERSION SEARCH UNITS
A7.1
A7.2
A7.3
TABLE A7.1
19 A7.4
FIG. A7.1
20 A7.5
A8. Measurement of Sound Beam Patterns in Metal from Ultrasonic Straight-Beam, Contact Search Units
A8.1 Introduction
A8.2 Search Unit Characterization and Ultrasonic Instrumentation
FIG. A7.2
21 A8.3 Metal Test Block
A8.4 Mechanical Traversing Mechanism
A8.5 Coupling of Ultrasonic Energy
A8.6 Cross-Axis Sound Beam Patterns
FIG. A8.1
22 A8.7 Recorded Response
FIG. A8.2
23 REFERENCES

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