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Fatigue behaviour of BS 2L65 aluminium alloy pin - aerade

Fatigue behaviour of BS 2L65 aluminium alloy pin - aerade

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I/I<br />

70<br />

60<br />

50<br />

40<br />

f..<br />

u~ 30<br />

E<br />

¢...<br />

o - -<br />

~ 20<br />

C<br />

m<br />

10 -<br />

120<br />

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0- 0 103<br />

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~ X Bushed predicted<br />

- J<br />

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_/_,,<br />

Unbushed estimated achieved per ormance~ ,,<br />

- from fatigue test results ~ ~<br />

perform ante<br />

Bushed<br />

J<br />

from local stress measurements<br />

achieved performance<br />

I I I I<br />

10 ~ 105 106 10 ?<br />

Log mean endurance (cycles)<br />

Fig 37 Estimation <strong>of</strong> endurance <strong>of</strong> bushed lugs using local stress<br />

history measurements. Mean stress = 225(140) MN/m2<br />

_-q.<br />

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