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Effect of Multidirectional Forging on the Grain Structure and Mechanical Properties of the Al⁻Mg⁻Mn Alloy
The effect of isothermal multidirectional forging (IMF) on the microstructure evolution of a conventional Al⁻Mg-based alloy was studied in the strain range of 1.5 to 6.0, and in the temperature range of 200 to 500 °C. A mean grain size in the near-surface layer decreased with increasing cumulative strain after IMF at 400 °C and 500 °C; the grain structure was inhomogeneous, and consisted of coarse and fine recrystallized grains. There was no evidence of recrystallization when the micro-sheardoi:10.3390/ma11112166 pmid:30400162 fatcat:yn4tyjk7qfgqpoxvkgh3jpnjgi