ASTM B577 - 19
Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
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Significance and Use
5.1 These test methods determine whether copper products will be resistant to embrittlement when exposed to elevated temperatures in a reducing atmosphere.
5.1.1 It is assumed that all who use these test methods will be trained personnel capable of performing these procedures skillfully and safely. It is expected that work will be performed in a properly equipped facility.
1. Scope
1.1 These test methods describe procedures for determining the presence of cuprous oxide (Cu2O) in products made from deoxidized and oxygen-free copper.
1.2 The test methods appear in the following order:
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| Microscopical Examination without Thermal Treatment | 9 – 11 |
| Microscopical Examination after Thermal Treatment | 13 – 15 |
| Closed Bend Test after Thermal Treatment | 17 – 19 |
| Reverse Bend Test after Thermal Treatment | 21 – 23 |
1.3 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E3 Guide for Preparation of Metallographic Specimens
E883 Guide for ReflectedLight Photomicrography
ICS Code
ICS Number Code 77.120.30 (Copper and copper alloys)
UNSPSC Code
UNSPSC Code 11101711(Non ferrous alloy)
Referencing This Standard
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DOI: 10.1520/B0577-19
Citation Format
ASTM B577-19, Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper, ASTM International, West Conshohocken, PA, 2019, www.astm.org
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