ASTM E2698 - 18

    Standard Practice for Radiographic Examination Using Digital Detector Arrays

    Active Standard ASTM E2698 | Developed by Subcommittee: E07.01

    Book of Standards Volume: 03.04


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    Significance and Use

    4.1 This practice establishes the basic parameters for the application and control of the digital detector array radiographic method. This practice is written so it can be specified on the engineering drawing, specification, or contract. It will require a detailed procedure delineating the technique or procedure requirements and shall be approved by the Cognizant Engineering Organization (CEO).

    1. Scope

    1.1 This practice establishes the minimum requirements for radiographic examination of metallic and nonmetallic materials using digital detector arrays (DDAs).

    1.2 The stated requirements of this specification are based on the use of an X-ray generating source. Additionally, some of the tests and requirements may not be applicable to X-ray energy levels >450kV.

    1.3 The requirements in this practice are intended to control the quality of radiographic examinations obtained using DDAs and are not intended to establish acceptance criteria for parts or materials.

    1.4 This practice covers the radiographic examination with DDAs including DDAs described in Practice E2597/E2597M such as a device that contains a photoconductor attached to a Thin Film Transistor (TFT) read out structure, a device that has a phosphor coupled directly to an amorphous silicon read-out structure, and devices where a phosphor is coupled to a CMOS (complementary metal–oxide–semiconductor) array, or a CCD (charge coupled device) crystalline silicon read-out structure.

    1.5 The requirements of this practice and Practice E2737 shall be used together. The requirements of Practice E2737 will provide the baseline evaluation and long term stability test procedures for the DDA system. The user of the DDA system shall establish a written procedure that addresses the specific requirements and tests to be used in their application and shall be approved by the Cognizant Radiographic Level 3 before examination of production hardware. This practice also requires the user to perform a system qualification suitable for its intended purpose and to issue a system qualification report (see 9.1).

    1.6 The DDA shall be selected for an NDT application based on knowledge of the technology described in Guide E2736, and of the selected DDA properties provided by the manufacturer in accordance with Practice E2597/E2597M.

    1.7 Techniques and applications employed with DDAs are diverse. This practice is not intended to be limiting or restrictive. Refer to Guides E94/E94M, E1000, and E2736, Terminology E1316, Practices E747 and E1025, and Federal Standards 21-CFR-1020.40 and 29-CFR-1910.96 for a list of documents that provide additional information and guidance.

    1.8 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.


    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

    E94/E94M Guide for Radiographic Examination Using Industrial Radiographic Film

    E543 Specification for Agencies Performing Nondestructive Testing

    E747 Practice for Design, Manufacture and Material Grouping Classification of Wire Image Quality Indicators (IQI) Used for Radiology

    E1000 Guide for Radioscopy

    E1025 Practice for Design, Manufacture, and Material Grouping Classification of Hole-Type Image Quality Indicators (IQI) Used for Radiography

    E1165 Test Method for Measurement of Focal Spots of Industrial X-Ray Tubes by Pinhole Imaging

    E1316 Terminology for Nondestructive Examinations

    E1742/E1742M Practice for Radiographic Examination

    E1817 Practice for Controlling Quality of Radiological Examination by Using Representative Quality Indicators (RQIs)

    E2002 Practice for Determining Total Image Unsharpness and Basic Spatial Resolution in Radiography and Radioscopy

    E2339 Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE)

    E2597/E2597M Practice for Manufacturing Characterization of Digital Detector Arrays

    E2699 Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE) for Digital Radiographic (DR) Test Methods

    E2736 Guide for Digital Detector Array Radiography

    E2737 Practice for Digital Detector Array Performance Evaluation and Long-Term Stability

    E2903 Test Method for Measurement of the Effective Focal Spot Size of Mini and Micro Focus X-ray Tubes

    Other Documents

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

    DICOM PS 3.14

    EN 4179

    ISO 9712

    ISO/CIE 19476 Characterization of the Performance of Illuminance Meters and Luminance Meters

    NAS 410 National Aerospace Standard Certification and Qualification of Nondestructive Testing Personnel

    SMPTE RP 133

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

    Government Standards

    29-CFR-1910.96 Ionizing Radiation

    NCRP 144 Radiation Protection for Particle Accelerator Facilities

    NIST Handbook 114 General Safety Standard for Installations Using Non-Medical X-ray and Sealed Gamma Ray Sources, Energies up to 10 MeV Available from National Institute of Standards and Technology (NIST), 100 Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.

    AWS Documents

    AWS A2.4 Symbols for Welding and Nondestructive Testing


    ICS Code

    ICS Number Code 11.040.50 (Radiographic equipment)

    UNSPSC Code

    UNSPSC Code 41111800(Non destructive examination equipment)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/E2698-18

    Citation Format

    ASTM E2698-18, Standard Practice for Radiographic Examination Using Digital Detector Arrays, ASTM International, West Conshohocken, PA, 2018, www.astm.org

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