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Bare-aluminium overhead-conductors

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Title: No Slide Title Last modified by: HARRY BHADESHIA Created Date: 9/30/1996 6:28:10 PM Document presentation format: On-screen Show Other titles – PowerPoint PPT presentation

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Title: Bare-aluminium overhead-conductors


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Bare-aluminium overhead-conductors 99 pure
Al (1XXX)
For a given weight, pure aluminium has the
highest conductivity than any element. Specific
conductivity twice that of Cu.
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beverage cans (3XXX) Al-Mn or Al-Mn-Mg
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5XXX magnesium-containing
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2XXX (Cu-containing, 500 MPa) 7XXX
(ZnMgCu-containing, 600 MPa)
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Dislocation cuts coherent particle, reduces its
cross-section on slip plane. Passage of further
dislocations on that plane easier, thereby
localising slip. Initiates fatigue.
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