ASTM E1774-17
Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
- Standard No.
- ASTM E1774-17
- Release Date
- 2017
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- Replace By
- ASTM E1774-17(2022)
- Latest
- ASTM E1774-17(2022)
- Scope
- 1.1 This guide is intended primarily for tutorial purposes. It provides an overview of the general principles governing the operation and use of electromagnetic acoustic transducers (EMATs) for ultrasonic examination. 1.2 This guide describes a non-contact technique for coupling ultrasonic energy into an electrically conductive or ferromagnetic material, or both, through the use of electromagnetic fields. This guide describes the theory of operation and basic design considerations as well as the advantages and limitations of the technique. 1.3 This guide is intended to serve as a general reference to assist in determining the usefulness of EMATs for a given application as well as provide fundamental information regarding their design and operation. This guide provides guidance for the generation of longitudinal, shear, Rayleigh, and Lamb wave modes using EMATs. 1.4 This guide does not contain detailed procedures for the use of EMATs in any specific applications; nor does it promote the use of EMATs without thorough testing prior to their use for examination purposes. Some applications in which EMATs have been applied successfully are outlined in Section 9. 1.5 Units—The values stated in inch-pound units are to be regarded as the standard. The SI values given in parentheses are for information only. 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. 1.7 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.
ASTM E1774-17 Referenced Document
- ASTM E1065 Standard Guide for Evaluating Characteristics of Ultrasonic Search Units
- ASTM E127 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
- ASTM E1316 Standard Terminology for Nondestructive Examinations*， 2024-02-01 Update
- ASTM E428 Standard Practice for Fabrication and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing*， 2024-04-22 Update
- ASTM E543 Standard Practice for Agencies Performing Nondestructive Testing
- ISO 9712 Non-destructive testing — Qualification and certification of NDT personnel*， 2021-12-21 Update
ASTM E1774-17 history
- 2022 ASTM E1774-17(2022) Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
- 2017 ASTM E1774-17 Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
- 2012 ASTM E1774-12 Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
- 1996 ASTM E1774-96(2007) Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
- 1996 ASTM E1774-96(2002) Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
- 1996 ASTM E1774-96 Standard Guide for Electromagnetic Acoustic Transducers (EMATs)
