AS 2331.1.5-2001
Current
Methods of test for metallic and related coatings Local thickness tests - Beta-backscatter method
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
12-11-2001
Sets out a method for the non-destructive measurement of coating thickness using beta-backscatter gauges. Applies to both metallic and non-metallic coatings on both metallic and non-metallic substrates.
| Committee |
MT-009
|
| DocumentType |
Standard
|
| ISBN |
0 7337 4235 1
|
| Pages |
15
|
| ProductNote |
Reconfirmed 07/04/2017.This standard has been reconfirmed in Australia in 2017 and remains current in New Zealand. Reconfirmation Notice 07/04/2017
|
| PublisherName |
Standards Australia
|
| Status |
Current
|
| Supersedes |
This Standard specifies a method for the non-destructive measurement of coating thicknesses using beta-backscatter gauges. It applies to both metallic and non-metallic coatings on both metallic and non-metallic substrates. To employ this method, the atomic numbersor equivalent atomic numbers of the coating and the substrate need to differ by an appropriate amount.WARNING: BETA-BACKSCATTER INSTRUMENTS USED FOR THE MEASUREMENT OF COATING THICKNESSES EMPLOY A NUMBER OF DIFFERENT RADIOACTIVE SOURCES. ALTHOUGH THE ACTIVITIES OF THESE SOURCES ARE NORMALLY VERY LOW, THEY CAN PRESENT A HAZARD TO HEALTH, IF INCORRECTLY HANDLED. THEREFORE, ALL RULES AND REGULATIONS OF LOCAL OR NATIONAL AUTHORITIES MUST BE OBSERVED.NOTES:1 Characteristics of isotopes used with beta-backscatter gauges are given in Appendix A.2 The atomic numbers of some commonly used coatings and substrates are given in Appendix B.
Originated as part of AS K173-1971.
Previous edition AS 2331.1.5-1981.
Second edition 2001.
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