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ASTM B457-67(1998)

Historical Reaffirmation

Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum (Withdrawn 2023)

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1.1 This method describes the conditions and equipment for measuring the impedance of anodic coatings on aluminum. Such measurements have been used to evaluate the quality of seal of an anodic coating. The method does not prescribe the procedure for producing the anodic coating, nor the postanodizing treatment usually described as "sealing."

1.2 This method is applicable to the rapid, nondestructive testing of anodic coatings. The interpretation of results and correlation of data with service experience and other tests are not within the scope of this method.


SDO ASTM: ASTM International
Document Number B457
Publication Date Nov. 10, 1998
Language en - English
Page Count 3
Revision Level 67(1998)
Supercedes
Committee B08.07
Publish Date Document Id Type View
Oct. 1, 2018 B0457-67R18 Revision
May 1, 2013 B0457-67R13 Reaffirmation
April 1, 2008 B0457-67R08E01 Reaffirmation
Nov. 10, 1998 B0457-67R03 Reaffirmation
Nov. 10, 1998 B0457-67R98 Reaffirmation