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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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m<br />

u<br />

o<br />

.,.I<br />

Sin1<br />

StuB<br />

0<br />

Local stress due to external toad<br />

÷<br />

Local stress due to<br />

bush<br />

Time<br />

Time T<br />

m<br />

m<br />

Sm 2<br />

Fig 40 Effect <strong>of</strong> bush on local stress history in a lug<br />

0<br />

Local stress in interference fit lug<br />

Sm 2=Sml+Sm B (Mean stress)<br />

Saz=Sat-SaB (Alternating<br />

Time T<br />

stress)<br />

v<br />

=11<br />

m o<br />

4==<br />

O

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