Effect of Grain Size on the Performance of Extruded Magnesium Alloy Tubes in Three-Point Bending

Tim B. Hilditch; Dale Atwell; Aiden G. Beer

doi:10.4028/www.scientific.net/MSF.618-619.523

Paper Titles

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Consolidation of Titanium, and Ti-6Al-4V Alloy Powders by Powder Compact Forging
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Ti-Mg Alloy Powder Synthesis via Mechanochemical Reduction of TiO₂ by Elemental Magnesium
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Effect of Grain Size on the Performance of Extruded Magnesium Alloy Tubes in Three-Point Bending
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Tensile and Compressive Properties for Crashworthiness Assessment of a Large AZ31 Extrusion
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Quantitative Determination on Hot Tearing in Mg-Al Binary Alloys
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Novel Grain Boundary Solute Architecture in a Nanostructured Ultra-High Strength 7075 Aluminium Alloy
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Research and Development of Non-Ferrous Melting Energy
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HomeMaterials Science ForumMaterials Science Forum Vols. 618-619Effect of Grain Size on the Performance of...

Effect of Grain Size on the Performance of Extruded Magnesium Alloy Tubes in Three-Point Bending

Abstract:

The 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.