Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM E2338-04

Standard Practice for Characterization of Coatings Using Conformable Eddy-Current Sensors without Coating Reference Standards

Standard Practice for Characterization of Coatings Using Conformable Eddy-Current Sensors without Coating Reference Standards E2338-04 ASTM|E2338-04|en-US Standard Practice for Characterization of Coatings Using Conformable Eddy-Current Sensors without Coating Reference Standards Standard new BOS Vol. 03.03 Committee E07
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Scope

1.1 This practice covers the use of conformable eddy-current sensors for nondestructive characterization of coatings without standardization on coated reference parts. It includes the following: (1) thickness measurement of a conductive coating on a conductive substrate, (2) detection and characterization of local regions of increased porosity of a conductive coating, and (3) measurement of thickness for nonconductive coatings on a conductive substrate or on a conductive coating. This practice includes only nonmagnetic coatings on either magnetic μ = μ 0) or nonmagnetic (μ = μ0) substrates. This practice can also be used to measure the effective thickness of a process-affected zone (for example, shot peened layer for aluminum alloys, alpha case for titanium alloys). For specific types of coated parts, the user may need a more specific procedure tailored to a specific application.

1.2 Specific uses of conventional eddy-current sensors are covered by the following test methods issued by ASTM: Test Methods B 244, D 1186, D 1400, E 376, E 1004, and G 12.

1.3 The values stated in SI units are to be regarded as standard. The inch-pound units are provided for information.

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.

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Details
Book of Standards Volume: 03.03
Developed by Subcommittee: E07.07
Pages: 8
DOI: 10.1520/E2338-04
ICS Code: 25.220.01