6061、6063及6N01三种铝合金半连续铸锭及其均匀化处理后的微观组织和性能进行系统的比较研究,结果表明：
The microstructure and properties of 6061, 6063 and 6N01 semi continuous casting ingots and their homogenization were compared systematically. The results showed that:
(1)6061、6063及6N01合金半连续铸锭中存在较多的结晶相,其中多数形成枝晶网,少量呈球状分布于基体中；形成枝晶网的主要为细长状和不规则形状的Al5FeSi相或Al5(FeMn)Si相以及黑色不规则条块状(有时为共晶形态)的Mg2Si相；分布在基体中的球状产物为含AlMgSiCu的共晶体
(1) there are many crystalline semi continuous casting of 6061, 6063 and 6N01 phases, most of which form a network of dendrites, a spherical distribution in the matrix; the formation of dendrite network mainly is slender and irregular shape of the Al5FeSi phase or Al5 (FeMn) Si and the black irregular block (sometimes the eutectic morphology) Mg2Si phase; spherical product distribution in the matrix for CO crystals containing AlMgSiCu
(2)6061、6063及6N01铝合金半连续铸锭中的结晶相均呈现由铸锭表面至心部尺寸增大、数量增多的分布的规律,其中与6063合金相比6061和6N01合金铸锭中的结晶相数量较多、尺寸较大,而且后两者的结晶相由铸锭表面至心部数量和尺寸增大均较明显,另外6061合金铸锭中所含Mg2Si体积分数较大,6N01合金中其次,6063合金中较小。

(2) crystal 6061, 6063 and 6N01 Aluminum Alloy semi continuous casting in phase showed a distribution from the surface to the center part of the ingot size increases, the increase in the number of 6061 and the crystallization in the ingot of 6N01 alloy compared with 6063 alloy phase number, large size, and the crystal phase by quantity and the size of the ingot surface to the heart increases significantly, the other 6061 alloy ingot contained in the volume fraction of Mg2Si and 6N01 alloy in second, a minimum of 6063 alloy.
(3)6061、6063及6N01铝合金半连续铸锭中的枝晶臂间距也均呈由铸锭表面至心部增大的规律；其中6061合金铸锭中枝晶臂间距较大(表面附近为92.7μm、心部为114.2μmm),6N01合金中次之(表面附近为80.9μm、心部为96.6μm),6063合金中较小(表而附近为71.5μm、心部为88.1μm)。(4)6061、6063及6N01合金半连续铸锭铝板的较低过烧温度分别为577℃,615℃及572℃。
(3) 6061, 6063 and 6N01 Aluminum Alloy semi continuous casting in the dendrite arm spacing is increased by the ingot surface to the central part of the law; of which 6061 alloy ingot in the dendrite arm spacing (the maximum near the surface is 92.7 m, the core is 114.2 mm), the second (6N01 alloy near the surface is 80.9 m, the core is 96.6 m), a minimum of 6063 alloy (table and near 71.5 m, the core is 88.1 m). (4) the minimum overfiring temperature of 6061, 6063 and 6N01 alloy semi continuous ingot plates is 577, 615 and 572, respectively.
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