ASTM-B567 2009

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B567-98(2009) Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method

Published By	Publication Date	Number of Pages
ASTM	2009	9

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Category: ASTM

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Description

ASTM B567-98-Reapproved2009

Historical Standard: Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method

ASTM B567

Scope

1.1 This test method covers the beta backscatter gages for the nondestructive measurement of metallic and nonmetallic coatings on both metallic and nonmetallic substrate materials.

1.2 The test method measures the mass of coating per unit area, which can also be expressed in linear thickness units provided that the density of the coating is known.

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

1.4 Beta backscatter instruments employ a number of different radioactive isotopes. Although the activities of these isotopes are normally very low, they can present a hazard if handled incorrectly. This standard does not purport to address the safety issues and the proper handling of radioactive materials. It is the responsibility of the user to comply with applicable State and Federal regulations concerning the handling and use of radioactive material. Some States require licensing and registration of the radioactive isotopes.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

Keywords

aperture, beta backscatter, coating thickness, isotope; Beta backscatter; Coating thickness; Electrodeposited coatings; Ferrous metals/alloys; Instrumental measurement–electrodeposited coatings; Mass per unit area; Metallic coatings; Nondestructive evaluation (NDE)–metallic/inorganic coatings; Nonmetallic coatings; Nonmetallic materials; Performance–metals/alloys materials/applications; Radiation exposure; Substrates–coating applications; Surface analysis–electrodeposits/electroplating

ICS Code

ICS Number Code n/a

DOI: 10.1520/B0567-98R09

PDF Catalog

PDF Pages	PDF Title
1	Scope Terminology
2	Summary of Test Method FIG. 1
3	Significance and Use Instrumentation Factors Affecting the Measuring Accuracy
5	Calibration of Instruments
6	Referee Test Procedure Report Precision and Bias Keywords
7	X1. SATURATION THICKNESS AS A FUNCTION OF DENSITY FOR VARIOUS ISOTOPES FIG. X1.1
8	X2. ISOTOPES USED WITH BETA BACKSCATTER GAGES X3. ATOMIC NUMBERS OF SOME COMMONLY USED COATINGS AND SUBSTRATES X4. REPRODUCIBILITY OF MEASUREMENTS

Additional information

Standard Title	B567-98(2009) Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method
Published Code	ASTM
Publication Date	2009
Pages Count	9