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ASTM B 877 : 1996 : R2018

ASTM B 877 : 1996 : R2018

Current

Current

The latest, up-to-date edition.

Standard Test Method for Gross Defects and Mechanical Damage in Metallic Coatings by the Phosphomolybdic Acid (PMA) Method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-01-2018

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 02.05, 2017 Defines equipment and methods for using phosphomolybdic acid (PMA) to detect gross defects and mechanical damage including wear through in metallic coatings of gold, silver, or palladium.

1.1This test standard covers equipment and methods for using phosphomolybdic acid (PMA) to detect gross defects and mechanical damage including wear through in metallic coatings of gold, silver, or palladium. These metals comprise the topmost metallic layers over substrates of nickel, copper, or copper alloys.

1.2Recent reviews of porosity testing, which include those for gross defects, and testing methods can be found in the 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 and gross defects test standards are Test Methods B735, B741, B798, B799, B809, and B866, Specifications B488, B679,and B689.

1.3The values stated in SI units are the preferred units. Those in parentheses are for information only.

1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
B 08
DocumentType
Test Method
Pages
5
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM B 765 : 2003 : R2013 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
ASTM B 765 : 2003 : R2008 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
ASTM B 765 : 2003 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
ASTM B 765 : 2003 : R2018 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings

ASTM B 818 : 2003 : R2018 Standard Specification for Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy<brk/>(UNS R31233) Plate, Sheet and Strip
ASTM B 735 : 2016 Standard Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor
ASTM B 689 : 1997 : R2018 : EDT 1 Standard Specification for Electroplated Engineering Nickel Coatings
ASTM B 741 : 1995 : R2000 Standard Test Method for Porosity In Gold Coatings On Metal Substrates By Paper Electrography (Withdrawn 2005)
ASTM B 679 : 1998 : R2021 Standard Specification for Electrodeposited Coatings of Palladium for Engineering Use
ASTM B 735 : 2016 : REDLINE Standard Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor
ASTM B 542 : 2013 : REDLINE Standard Terminology Relating to Electrical Contacts and Their Use
ASTM B 679 : 1998 Standard Specification for Electrodeposited Coatings of Palladium for Engineering Use
ASTM B 374 : 2006 : R2019 Standard Terminology Relating to Electroplating
ASTM B 765 : 2003 : R2018 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
ASTM B 798 : 1995 : R2020 Standard Test Method for Porosity in Gold or Palladium Coatings on Metal Substrates by Gel-Bulk Electrography
ASTM B 689 : 1997 : R2023 Standard Specification for Electroplated Engineering Nickel Coatings
ASTM B 679 : 1998 : R2015 Standard Specification for Electrodeposited Coatings of Palladium for Engineering Use
ASTM B 866 : 1995 : R2018 Standard Test Method for Gross Defects and Mechanical Damage in Metallic Coatings by Polysulfide Immersion
ASTM B 818 : 2003 : R2018 Standard Specification for Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy<brk/>(UNS R31233) Plate, Sheet and Strip
ASTM B 374 : 2021 Standard Terminology Relating to Electroplating
ASTM B 735 : 2016 : R2022 Standard Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor
ASTM B 765 : 2003 : R2023 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
ASTM B 799 : 1995 : R2020 Standard Test Method for Porosity in Gold and Palladium Coatings by Sulfurous Acid/Sulfur-Dioxide Vapor

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