Non‐Basal Textures in Magnesium Alloy Strips Produced by Extrusionmachining Chapter uri icon

abstract

  • © 2014 The Minerals, Metals & Materials Society. A constrained chip formation technique, large strain extrusion machining (LSEM), was used to produce bulk magnesium alloy (AZ31B) strips with fine grain size (2-6 μm) and non-basal textures. These characteristics are known to enhance the final formability. The deformation temperature during extrusionmachining was varied by preheating the workpiece to a range of temperatures (50°C to 375°C). Microstructural refinement and texture evolution were studied as function of deformation temperature. It was possible to refine the grain size down to ~2 μm by restricting the dynamic grain growth at low to moderate deformation temperatures (below 320°C). LSEM was shown to be capable of resulting in non-basal textures at low deformation temperatures (below 220°C) as well as at elevated deformation temperatures (above 420°C). The influence of active deformation mechanisms and dynamic recrystallization on the texture development is also addressed.

author list (cited authors)

  • Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.

citation count

  • 0

Book Title

  • Essential Readings in Magnesium Technology

publication date

  • February 2014