ASTM B645-98

    Standard Practice for Plane-Strain Fracture Toughness Testing of Aluminum Alloys


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    1. Scope

    1.1 This practice is applicable to the fracture toughness testing of all aluminum alloys, tempers, and products especially in cases where the tests are being made to establish whether or not individual lots meet the requirements of specifications and should be released to customers.

    1.2 Test Method E399 is the basic standard test method for plane-strain fracture toughness testing of aluminum alloys. This practice augments Test Method E399 in three main areas:

    1.2.1 Specimen size selection,

    1.2.2 Fatigue cracking requirements, and

    1.2.3 Interpretation of results of invalid tests.

    1.2.4 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 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

    B646 Practice for Fracture Toughness Testing of Aluminum Alloys

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E399 Test Method for Linear-Elastic Plane-Strain Fracture Toughness K Ic of Metallic Materials

    E561 Test Method for K-R Curve Determination

    E1823 Terminology Relating to Fatigue and Fracture Testing


    ICS Code

    ICS Number Code 77.120.10 (Aluminium and aluminium alloys)

    UNSPSC Code

    UNSPSC Code 11172000(Aluminum based alloys); 41114608(Fatigue testers)


    Referencing This Standard

    DOI: 10.1520/B0645-98

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM B645-98, Standard Practice for Plane-Strain Fracture Toughness Testing of Aluminum Alloys, ASTM International, West Conshohocken, PA, 1998, www.astm.org

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