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Effect of grain size on the performance of extruded magnesium alloy tubes in three-point bending
journal contribution
posted on 2009-01-01, 00:00 authored by Tim HilditchTim Hilditch, Dale Atwell, Aiden BeerAiden BeerThe performance of extruded AZ31, AZ61 and AM-EX1 tubes was examined in three-point bending. Different extrusion temperatures were used to investigate the effect of grain size on the load-carrying capacity, energy absorption and fracture propensity of the tubes. Results showed that while the peak load increased with a smaller average recrystallised grain size, the retention of large elongated un-recrystallised grains in the microstructure reduced the load. The presence of the large elongated grains also appeared detrimental to the ability of the tube to deform before fracture.
History
Journal
Materials science forumVolume
618-619Pagination
523 - 526Publisher
Trans Tech PublicationsLocation
Stafa-Zurich, SwitzerlandISSN
0255-5476Language
engPublication classification
C1 Refereed article in a scholarly journal; C Journal articleCopyright notice
2009, Trans Tech PublicationsUsage metrics
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