Fatigue behaviour of BS 2L65 aluminium alloy pin - aerade
Fatigue behaviour of BS 2L65 aluminium alloy pin - aerade
Fatigue behaviour of BS 2L65 aluminium alloy pin - aerade
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LIST OF CONTENTS<br />
INTR0 DUCTION 3<br />
FATIGUE TESTS 4<br />
2.1 Material and specimens 4<br />
2°2 <strong>Fatigue</strong> tests and results 5<br />
2.3 Life estimations and comparison with achieved performances 7<br />
LOCAL STRESS HISTORY MEASURI~ENTS 7<br />
3. I Method <strong>of</strong> measurement 8<br />
3.2 Material and specimens 8<br />
3.3 Summary <strong>of</strong> tests carried out 8<br />
3.4 Results 9<br />
DISCUSSION I 0<br />
4. I Effect <strong>of</strong> passivating bushes 10<br />
4.2 The effect <strong>of</strong> an interference-fit bush on the life <strong>of</strong> a lug 10<br />
under constant amplitude loading<br />
4.3 The effect <strong>of</strong> a prestress on bushed and unbushed lugs under 12<br />
constant amplitude loading<br />
4.4 The performance <strong>of</strong> bushed lugs under narrow band random 14<br />
loading<br />
CONCLUSIONS<br />
Appendix A Local stresses in a bushed lug<br />
Appendix B <strong>Fatigue</strong> testing facility and load spectra<br />
Appendix C Cumulative damage calculations made using Miner's Rule<br />
Appendix D Method <strong>of</strong> life estimation allowing for residual stresses<br />
Table I Chemical composition and tensile properties <strong>of</strong> <strong>BS</strong> <strong>2L65</strong><br />
<strong>aluminium</strong> <strong>alloy</strong><br />
Table 2 <strong>Fatigue</strong> test results<br />
Table 3 <strong>Fatigue</strong> test results<br />
Table 4 <strong>Fatigue</strong> test results<br />
Table 5 <strong>Fatigue</strong> test results<br />
Table 6 <strong>Fatigue</strong> test results<br />
Table 7 <strong>Fatigue</strong> test results<br />
Table 8 <strong>Fatigue</strong> test results<br />
Table 9 <strong>Fatigue</strong> test results<br />
Re feren~e s<br />
Illustrations<br />
Detachable abstract cards<br />
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Figures 1-43