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1 Scope<br>2 Normative references<br>3 Definitions<br>4 Symbols<br>5 Welded specimens<br>6 Small-scale specimens<br>&nbsp;&nbsp;&nbsp;6.1 Welding procedure<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.1.1 Limitation of the plate distortion<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.1.2 Welding characteristics<br>&nbsp;&nbsp;&nbsp;6.2 Specimen manufacturing<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.1 Dimensions<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.2 Sample fabrication<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.3 Misalignment<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.4 Finishing<br>&nbsp;&nbsp;&nbsp;6.3 Specimen characteristics<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.3.1 Global geometry<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.3.2 Local geometry<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.3.3 Hardness measurements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.3.4 Residual stress measurements<br>&nbsp;&nbsp;&nbsp;6.4 Data sheet<br>&nbsp;&nbsp;&nbsp;6.5 Loading conditions<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.5.1 Testing machines<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.5.2 Grips<br>7 Fatigue testing on large-scale models<br>&nbsp;&nbsp;&nbsp;7.1 Model design and manufacturing<br>&nbsp;&nbsp;&nbsp;7.2 Determination of stress distribution<br>&nbsp;&nbsp;&nbsp;7.3 Test performance<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.3.1 Static loading<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.3.2 Cyclic loading<br>8 Testing procedures<br>&nbsp;&nbsp;&nbsp;8.1 Definition of the nominal stress (strain) range<br>&nbsp;&nbsp;&nbsp;8.2 Conservative loading conditions<br>&nbsp;&nbsp;&nbsp;8.3 Definition of the fatigue life<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.3.1 Failure criterion<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.3.2 Crack initiation measurement<br>9 Testing plan<br>&nbsp;&nbsp;&nbsp;9.1 Determination of the conventional fatigue limit<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;or the fatigue strength at N cycles<br>&nbsp;&nbsp;&nbsp;9.2 S-N curve<br>&nbsp;&nbsp;&nbsp;9.3 Testing order of the specimen<br>10 Testing stages<br>&nbsp;&nbsp;&nbsp;10.1 Loading calibration<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.1.1 Static loading<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.2.1 Variable amplitude loading<br>&nbsp;&nbsp;&nbsp;10.2 Crack initiation measurement<br>11 Specimen fracture<br>&nbsp;&nbsp;&nbsp;11.1 Small-scale specimens<br>&nbsp;&nbsp;&nbsp;11.2 Large-scale specimens<br>12 Presentation of the test results<br>&nbsp;&nbsp;&nbsp;12.1 Data sheet<br>&nbsp;&nbsp;&nbsp;12.2 Diagrams<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.2.1 Constant amplitude loading<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.2.2 Variable amplitude loading<br>13 Statistical analysis of the fatigue test results<br>Annex 1 (informative) References<br>Annex 2 (informative) Data sheet