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  • 08/30151326 DC : 0

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    BS ISO 26843 - METALLIC MATERIALS - MEASUREMENT OF FRACTURE TOUGHNESS OF STEELS AT IMPACT LOADING RATES USING PRECRACKED CHARPY SPECIMENS

    Available format(s):  Hardcopy, PDF

    Superseded date:  07-05-2015

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Symbols and definitions
    4 Principle
    5 Test specimens
    6 Testing machines
    7 Test procedures and measurements
      7.1 Key data
      7.2 Impact velocity
      7.3 Time to fracture
      7.4 Multiple specimen tests
      7.5 Single specimen tests
      7.6 Crack length measurements after testing
          7.6.1 Five-point average method
          7.6.2 Area average method
    8 Evaluation of fracture mechanics parameters
    9 Test report
    Annex A (informative) Test machines suitable for each test
            procedure
    Annex B (informative) Estimation of strain rate
    Annex C (normative) Dynamic evaluation of fracture toughness
    Annex D (normative) Determination of resistance curves at
            impact loading rates by multiple specimen methods
    Annex E (normative) Estimation of J-[Delta]a R-curves by single
            specimen methods
    Annex F (normative) Determination of characteristic fracture
            toughness values J[0,2Bd] or [delta][0,2Bd]
    Annex G (normative) Validity criteria
    Annex H (normative) Fracture mechanics parameters
    Bibliography

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee ISE/NFE/4/4
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 14556:2015 Metallic materials — Charpy V-notch pendulum impact test — Instrumented test method
    ISO 148-2:2016 Metallic materials — Charpy pendulum impact test — Part 2: Verification of testing machines
    ISO 148-1:2016 Metallic materials — Charpy pendulum impact test — Part 1: Test method
    ISO 3785:2006 Metallic materials — Designation of test specimen axes in relation to product texture
    ISO 12135:2016 Metallic materials Unified method of test for the determination of quasistatic fracture toughness
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