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Scope

1.1 This test method covers the nondestructive measurement of the mass per unit area of coating using beta backscatter gages. It also covers the measurement of the linear thickness if the coating density is known.

1.2 This test method applies to both metallic and nonmetallic coatings on both metallic and nonmetallic substrates.

1.3 This test method is applicable only if the atomic numbers or equivalent atomic numbers of the coating and the substrate differ by an appropriate amount (see 6.2).

1.4 This standard does not purport to address all of the safety problems 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. See specific hazard statements in Section 7.

Keywords

Beta backscatter; Coatings-metallic; Coatings-nonmetallic; Electrodeposited coatings; Ferrous metals/alloys; Instrumental measurement-electrodeposited coatings; Mass-mass per unit area; Nondestructive evaluation (NDE)-metallic/inorganic coatings; Nonmetallic materials; Performance-metals/alloys; Radiation exposure; Substrates; Surface analysis-electrodeposits/electroplating; coating thickness of metallic/nonmetallic coatings on; metallic/nonmetallic substrates, nondestructive measurement by beta; backscatter method, test,; Coating thickness; metallic/nonmetallic coatings on metallic/nonmetallic substrates,; nondestructive measurement by beta backscatter method, test

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

17.040.20 (Properties of surfaces)

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