08/30151326 DC : 0

Superseded

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Superseded date

05-07-2015

Language(s)

English

Publisher

British Standards Institution

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

BS ISO 26843

Committee	ISE/NFE/4/4
DocumentType	Draft
Pages	39
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	15/30319081 DC : 0

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