国际冲击试验标准

国际冲击试验标准

Foreword............................................................................................................................................................iv
1  Scope......................................................................................................................................................1
2  Normative references............................................................................................................................1
3  Terms and definitions...........................................................................................................................1
3.1  Energy.....................................................................................................................................................1
3.2  Test piece...............................................................................................................................................2
4  Symbols and abbreviated terms..........................................................................................................2
5  Principle..................................................................................................................................................2
6  Test pieces.............................................................................................................................................3
6.1  General...................................................................................................................................................3
6.2  Notch geometry.....................................................................................................................................3
6.3  Tolerance of the test pieces.................................................................................................................3
6.4  Preparation of the test pieces..............................................................................................................3
6.5  Marking of the test pieces....................................................................................................................3
7  Test equipment......................................................................................................................................4
7.1  General...................................................................................................................................................4
7.2  Installation and verification..................................................................................................................4
7.3  Striker.....................................................................................................................................................4
8  Test procedure.......................................................................................................................................4
8.1  General...................................................................................................................................................4
8.2  Test temperature...................................................................................................................................4
8.3  Specimen transfer.................................................................................................................................4
8.4  Exceeding machine capacity...............................................................................................................5
8.5  Incomplete fracture...............................................................................................................................5
8.6  Test piece jamming...............................................................................................................................5
8.7  Post-fracture inspection.......................................................................................................................5
9  Test report..............................................................................................................................................5
9.1  Mandatory information..........................................................................................................................5
9.2  Optional information.............................................................................................................................6
Annex A (informative)  Self-centring tongs .......................................................................................................9
Annex B (informative)  Lateral expansion.......................................................................................................11
Annex C (informative)  Fracture appearance..................................................................................................14
Annex D (informative)  Absorbed energy vs. temperature and transition temperature.............................17
Annex E (informative)  Measurement uncertainty of an absorbed energy value, KV..................................19
Bibliography......................................................................................................................................................26