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
AZ31 magnesium alloy, one of the most widely used commercial deforming magnesium alloys, has good strength and ductility as well.
AZ 31镁合金具有良好的延展率和较高强度，是目前商业化应用最广的变形镁合金。
3
MCHX is high efficiency and newly development heat exchanger which being made of aluminum alloy and mainly applicable for residential AC, light commercial AC and refrigeration and chiller market.