ASTM-B457 1998

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B457-67(1998) Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum

Published By	Publication Date	Number of Pages
ASTM	1998	3

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Description

ASTM B457-67-Reapproved1998

Historical Standard: Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum

ASTM B457

Scope

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.

Keywords

Aluminum-coatings; Aluminum alloys-anodic coatings; Coatings-anodic (on aluminum/aluminum alloys); Impedance; impedance-anodic coatings on aluminum, method

ICS Code

ICS Number Code n/a

DOI: 10.1520/B0457-67R98

Additional information

Standard Title	B457-67(1998) Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum
Published Code	ASTM
Publication Date	1998
Pages Count	3