ASTM-B866 Standard Test Method for Gross Defects and Mechanical Damage in Metallic Coatings by Polysulfide Immersion

ASTM-B866 - 1995 R13 EDITION - CURRENT
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Standard Test Method for Gross Defects and Mechanical Damage in Metallic Coatings by Polysulfide Immersion
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Scope

1.1 This test method covers equipment and methods for detecting gross defects and mechanical damage (including wear-through) in metallic coatings where the breaks in the coating penetrate down to a copper or copper alloy substrate.

1.2 This test method is suitable for coatings consisting of single or combined layers of any coating that does not significantly tarnish in an alkaline polysulfide solution. Examples are gold, nickel, tin, tin-lead, and palladium, or their alloys.

1.3 Recent reviews of porosity testing (which include those for gross defects) and testing methods can be found in literature.2,3 An ASTM guide to the selection of porosity and gross defect tests for electrodeposits and related metallic coatings is available as Guide B765. Other related porosity test standards are Test Methods B735, B741, B798, B799, and B809.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5 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

electrodeposits; gross defects; mechanical damage; metallic coatings; polysulfide immersion; porosity testing; wear-through; ICS Number Code 25.220.40 (Metallic coatings)

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

25.220.40 (Metallic coatings Including electrolytic depositions, cathodic coatings, autocatalytic coatings, etc.)

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Document Number

ASTM-B866-95(2013)

Revision Level

1995 R13 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Dec. 31, 2013

Document Type

Test Method

Page Count

4 pages

Committee Number

B08.10