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    ASTM E1001 - 16

    Standard Practice for Detection and Evaluation of Discontinuities by the Immersed Pulse-Echo Ultrasonic Method Using Longitudinal Waves

    Active Standard ASTM E1001 | Developed by Subcommittee: E07.06

    Book of Standards Volume: 03.03

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    Significance and Use

    6.1 This practice provides guidelines for the application of immersed longitudinal wave examination to the detection and quantitative evaluation of discontinuities in materials.

    6.2 Although not all requirements of this practice can be applied universally to all examination situations and materials, it does provide a basis for establishing contractual criteria between suppliers and purchasers of materials for performing immersed pulse-echo examination, and may be used as a general guide for writing detailed specifications for particular applications.

    6.3 This practice is directed towards the evaluation of discontinuities detectable at normal beam incidence. If discontinuities at other orientations are of concern, alternate scanning techniques are required.

    1. Scope

    1.1 This practice describes procedures for the ultrasonic examination of bulk materials or parts by transmitting pulsed, longitudinal waves through a liquid couplant into the material and observing the indications of reflected waves (see Fig. 1). It covers only examinations in which one search unit is used as both transmitter and receiver (pulse-echo) and in which the part or material being examined is coupled to the part by a liquid column or is totally submerged in the couplant (either method is considered to be immersion testing). This practice includes general requirements and procedures which may be used for detecting discontinuities and for making a relative or approximate evaluation of the size of discontinuities.

    1.2 This practice replaces Practice E214 and provides more detailed procedures for the selection, standardization, and operation of an examination system and for evaluation of the indications obtained.

    1.3 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.4 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.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C1212 Practice for Fabricating Ceramic Reference Specimens Containing Seeded Voids

    C1336 Practice for Fabricating Non-Oxide Ceramic Reference Specimens Containing Seeded Inclusions

    E127 Practice for Fabrication and Control of Aluminum Alloy Ultrasonic Standard Reference Blocks

    E317 Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems without the Use of Electronic Measurement Instruments

    E428 Practice for Fabrication and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing

    E543 Specification for Agencies Performing Nondestructive Testing

    E1158 Guide for Material Selection and Fabrication of Reference Blocks for the Pulsed Longitudinal Wave Ultrasonic Testing of Metal and Metal Alloy Production Material

    E1316 Terminology for Nondestructive Examinations

    ASNT Documents

    ANSI/ASNT-CP-189 for Qualification and Certification of Nondestructive Testing Personnel

    SNT-TC-1A Recommended Practice for Personnel Qualification and Certification in Nondestructive Testing

    Aerospace Industries Association Document

    NAS-410 Certification and Qualification of Nondestructive Testing Personnel Available from Aerospace Industries Association of America, Inc. (AIA), 1000 Wilson Blvd., Suite 1700, Arlington, VA 22209-3928, http://www.aia-aerospace.org.

    ISO Documents

    ISO 9712

    ICS Code

    ICS Number Code 19.100 (Non-destructive testing)

    Referencing This Standard
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    DOI: 10.1520/E1001-16

    Citation Format

    ASTM E1001-16, Standard Practice for Detection and Evaluation of Discontinuities by the Immersed Pulse-Echo Ultrasonic Method Using Longitudinal Waves, ASTM International, West Conshohocken, PA, 2016, www.astm.org

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