BS ISO 12108:2018 – TC:2020 Edition
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Tracked Changes. Metallic materials. Fatigue testing. Fatigue crack growth method
Published By | Publication Date | Number of Pages |
BSI | 2020 | 147 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
87 | National foreword |
92 | Foreword |
93 | Introduction |
94 | 1 Scope 2 Normative references 3 Terms and definitions |
97 | 4 Symbols and abbreviated terms 4.1 Symbols |
98 | 4.2 Abbreviated terms for specimen identification 5 Apparatus 5.1 Testing machine. |
99 | 5.2 Cycle-counter. 5.3 Crack length measurement apparatus. 6 Specimens 6.1 General 6.2 Crack plane orientation |
101 | 6.3 Starter notch precracking details |
103 | 6.4 Stress-intensity factor 6.5 Specimen size 6.6 Specimen thickness 6.7 Residual stress |
104 | 7 Procedure 7.1 Fatigue precracking 7.2 Crack length measurement |
105 | 7.3 Constant-force-amplitude, Κ-increasing, test procedure for da/dN > 10−5 mm/cycle |
106 | 7.4 K-decreasing procedure for da/dN < 10−5 mm/cycle |
108 | 8 Crack length measurement 8.1 Resolution 8.2 Interruption 8.3 Static force 8.4 Measurement interval |
109 | 8.5 Symmetry 8.6 Out-of-plane cracking 8.7 Crack tip bifurcation 8.8 Non-visual crack length measurement 8.9 Visual crack length measurement 9 Calculations 9.1 Crack-front curvature |
110 | 9.2 Determining the fatigue crack growth rate 9.2.1 General 9.2.2 Secant method |
111 | 9.2.3 Incremental polynomial method 9.3 Determination of the fatigue crack growth threshold 10 Test report 10.1 General 10.2 Material |
112 | 10.3 Test specimen 10.4 Precracking terminal values 10.5 Test conditions |
113 | 10.6 Test analysis 10.7 Presentation of results |
120 | Annex A (normative) Compact tension (CT) specimen |
125 | Annex B (normative) Centre crack tension (CCT) specimen |
131 | Annex C (normative) Single edge notch tension (SENT) specimen |
134 | Annex D (normative) Single edge notch bend (SENB) specimens |
141 | Annex E (informative) Non-visual crack length measurement methodology — Electric potential difference[9][12][36] |
144 | Bibliography |