The microstructure of AZ91 alloy keeps some characteristics of the high temperature melt after thermal rate treatment, which improves the mechanical properties and casting quality of magnesium alloy.
热速处理后组织部分保留了高温过热时的特性，从而使镁合金的力学性能和铸件质量得到提高。
2
The effect of hot bending and heat treatmentthermal cycles on the mechanical properties of X80 grade steel pipe was evaluated.