The effects of RE (mixed light RE, 0—0.275%) content in commercial pure aluminium on the structure and characteristics of 7075 alloy are investigated in this paper.
本文研究工业纯铝中含RE（混合轻稀土，含量为0～0.275％）时对7075合金组织和性能的影响。
2
The structure parameters and size design of die used for extruding aluminiumalloy large size profiles are analysed.
大型材挤压模具设计与制造是现代车辆大型铝合金型材生产的关键技术。
3
The effect of quenching temperature, the interval time from quenching to aging and aging institution to 2A70 aluminiumalloy pre-stretching plate structure and properties are introduced.