ASTM G112-92(1997)

    Standard Guide for Conducting Exfoliation Corrosion Tests in Aluminum Alloys

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    1. Scope

    1.1 This guide differs from the usual ASTM standard in that it does not address a specific test. Rather, it is an introductory guide for new users of other standard exfoliation test methods, (see Terminology G15 for definition of exfoliation).

    1.2 This guide covers aspects of specimen preparation, exposure, inspection, and evaluation for conducting exfoliation tests on aluminum alloys in both laboratory accelerated environments and in natural, outdoor atmospheres. The intent is to clarify any gaps in existent test methods.

    1.3 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

    1.4 This standard does not purport to address all of the safety problems, 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.


    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

    G1 Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens

    G15 Terminology Relating to Corrosion and Corrosion Testing

    G34 Test Method for Exfoliation Corrosion Susceptibility in 2XXX and 7XXX Series Aluminum Alloys (EXCO Test)

    G50 Practice for Conducting Atmospheric Corrosion Tests on Metals

    G66 Test Method for Visual Assessment of Exfoliation Corrosion Susceptibility of 5XXX Series Aluminum Alloys (ASSET Test)

    G85 Practice for Modified Salt Spray (Fog) Testing

    G92 Practice for Characterization of Atmospheric Test Sites


    ICS Code

    ICS Number Code 77.120.10 (Aluminium and aluminium alloys)

    UNSPSC Code

    UNSPSC Code 41114604(Corrosion testers)


    DOI: 10.1520/G0112-92R97

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