摘要
主要研究了不同挤压温度下LA103Z镁锂合金的微观组织和力学性能。结果表明:LA103Z镁锂合金随着挤压温度的升高会发生动态再结晶过程,300℃挤压时,发生了完全的动态再结晶过程,形成等轴晶粒组织,随着挤压温度升高抗拉强度和屈服强度会降低,延伸率增加。260℃挤压的试样抗拉强度最高,300℃挤压的试样强度略低,但延伸率最高。
The microstructure and mechanical properties of LA103Z magnesium lithium alloy at different extrusion temperatures were studied. The results show that dynamic recrystallization of LA103Z magnesium lithium alloy occurs with the increase of extrusion temperature,At 300 ℃,a complete dynamic recrystallization process occurs and equiaxed grain structure is formed. With the increase of extrusion temperature,the tensile strength and yield strength decrease and the elongation increases. The sample has the highest tensile strength which was extruded at 260 ℃ and the best elongation which was extruded at 300 ℃. But the tensile strength of the sample extruded at 300 ℃ was slightly lower.
作者
马骏
樊晓泽
王瑞
齐二帅
MA Jun;FAN Xiao-ze;WANG Rui;QI Er-shuai(Xi'an Sifang Ultralight Material Co.,Ltd.,Xifan Shanxi 710089,China)
出处
《铸造设备与工艺》
2022年第3期48-50,共3页
Foundry Equipment & Technology
关键词
LA103Z镁锂合金
挤压温度
组织
力学性能
LA103Z magnesium lithium alloy
extrusion temperature
microstructure
mechanical property
