ASTM-B457 2003

$35.75

B457-67(2003) Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum

Published By	Publication Date	Number of Pages
ASTM	2003	3

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Categories: 25.220.20 - Surface treatment, ASTM

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Description

ASTM B457-67-Reapproved2003

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

ASTM B457

Scope

1.1 This test 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 test method does not prescribe the procedure for producing the anodic coating, nor the postanodizing treatment usually described as “sealing.”

1.2 This test 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 test method.

1.3 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

impedance; anodic coatings; aluminum

ICS Code

ICS Number Code 25.220.20 (Surface treatment)

DOI: 10.1520/B0457-67R03

PDF Catalog

PDF Pages	PDF Title
1	Scope Nature of Test Apparatus
2	Electrolyte Test Specimen Procedure Cell Standardization FIG. 1
3	Temperature Correction Interpretation of Results FIG. 2

Additional information

Standard Title	B457-67(2003) Standard Test Method for Measurement of Impedance of Anodic Coatings on Aluminum
Published Code	ASTM
Publication Date	2003
Pages Count	3
ICS Codes	25.220.20 - Surface treatment