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Influence of grain orientations on the initiation of fatigue damage in an Al-Li alloy.

Abstract:

The variation in microstructure and texture in a rectangular bar extruded from a billet of spray-cast 8090 Al-Li alloy has been examined. The fine grain size of the as sprayed billet and the moderate extrusion ratio ( approximately 25 : 1) were seen to cause geometric dynamic recrystallization (GDR) in regions of higher strain towards the edge of the bar. The grain morphology varied from the expected elongated grains at the centre of the bar to equiaxed grains where GDR occurred at the bar ed...

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Publication status:
Published

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Authors


Taylor, CJ More by this author
Wilkinson, AJ More by this author
Martin, JW More by this author
Volume:
195
Issue:
3
Pages:
239-247
Publication date:
1999-09-05
DOI:
EISSN:
1365-2818
ISSN:
0022-2720
URN:
uuid:9a86dee8-88fb-4dd9-aaae-46237e14a33e
Source identifiers:
27529
Local pid:
pubs:27529

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