08/30151326 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 26843 - METALLIC MATERIALS - MEASUREMENT OF FRACTURE TOUGHNESS OF STEELS AT IMPACT LOADING RATES USING PRECRACKED CHARPY SPECIMENS
Hardcopy , PDF
07-05-2015
English
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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Superseded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 |
| 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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