The effects of heat treatments on the properties and microstructures of extruded Mg-Nd-Zr alloy have been studied.The results show that the rare earth-containing phase in the extruded Mg-Nd-Zr alloy is Mg12Nd phase.Af...The effects of heat treatments on the properties and microstructures of extruded Mg-Nd-Zr alloy have been studied.The results show that the rare earth-containing phase in the extruded Mg-Nd-Zr alloy is Mg12Nd phase.After ageing treatment,plenty of Mg12Nd phase particles precipitated,and the tensile strength and proof strength increased.After quenching and ageing treatments,the grains coarsened,and the proof strength decreased significantly.Both the ageing and the ageing followed quenching decrease the plasticity of the alloy.展开更多
文摘The effects of heat treatments on the properties and microstructures of extruded Mg-Nd-Zr alloy have been studied.The results show that the rare earth-containing phase in the extruded Mg-Nd-Zr alloy is Mg12Nd phase.After ageing treatment,plenty of Mg12Nd phase particles precipitated,and the tensile strength and proof strength increased.After quenching and ageing treatments,the grains coarsened,and the proof strength decreased significantly.Both the ageing and the ageing followed quenching decrease the plasticity of the alloy.
