Hot Workability, Microstructural Control and Rate‐Controlling Mechanisms in Cast‐Homogenized AZ31 Magnesium Alloy | Zendy

Prasad Yellapregada Venkata Rama Krishna | Zendy; Rao Kamineni Pitcheswara | Zendy

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Hot Workability, Microstructural Control and Rate‐Controlling Mechanisms in Cast‐Homogenized AZ31 Magnesium Alloy

Author(s) -

Prasad Yellapregada Venkata Rama Krishna,

Rao Kamineni Pitcheswara

Publication year - 2009

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.200800204

Subject(s) - materials science , magnesium alloy , metallurgy , hot working , alloy , microstructure , magnesium , strain rate , atmospheric temperature range , thermodynamics , physics

Optimum conditions for microstructural control in industrial hot working of cast and homogenized AZ31 magnesium alloys are evaluated by using a processing map. The recommended window for bulk metal working of this alloy is the domain in the temperature range 300–450 °C and strain rate range 1–10 s −1 , and the optimum processing parameters are 400 °C and 10 s −1 , where grain‐boundary self diffusion is the rate‐controlling mechanism.

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