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    ASTM WK69512

    Revision of E1820 - 18ae1 Standard Test Method for Measurement of Fracture Toughness

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    Active Standard: E1820 - 20b

    Developed by Subcommittee: E08.07 | Committee E08 | Contact Staff Manager

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    WK69512

    Keywords

    crack initiation; crack-tip opening displacement; CTOD; ductile fracture; elastic-plastic fracture toughness; fracture instability; J-integral; JIc; KJic; Jc; δc; plane-strain fracture toughness; resistance curve; stable crack growth;;

    Rationale

    Since its introduction, E1820 has required the resistance curve procedure (single specimen) to be used in order to determine a J-R curve or a -R curve. The proposed revisions in this ballot would permit resistance curves to be determined using a collection of individual data points from multiple specimens.

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    Work Item Status

    Date Initiated:
    08-13-2019

    Technical Contact:
    James Joyce

    Status:
    Draft Under Development