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Action on Phases and Properties of Cast Aluminum Alloy with Copper and Silicon of Constant Magnetic Field, Supposed on a Cooling and Solidifying Melt 恒磁场对铜硅铸铝合金相及性能的影响——以冷却凝固熔体为例
Pub Date : 2019-01-01 DOI: 10.15407/plit2019.06.003
E. Seredenko
The effect of a constant magnetic field in the range of numbers Ha = 0 - 170 on the structure and properties of cast aluminum alloy with copper and silicon of AK12M2 type is investigated. Using magnetic field treatment, both coarsening and grinding of the grains of the alloy are carried out, they are saturated with paramagnetic elements Ti, Sn and diamagnetic Cu and Zn, and the phase ratio in the cast structure is regulated. As a result, the hardness level of the alloy, slowly cooled in the alundum form under the influence of the field, corresponded to the heat-treated alloy crystallized under pressure. The level of copper saturation of the grains of the alloy obtained directly during crystallization in the field was close to the heat-treated metal. The corrosion resistance of the alloy increased without the use of special additives. The use of a constant magnetic field during crystallization of the alloy makes it possible to save alloying, modifying additives and electricity.
研究了恒定磁场在Ha = 0 ~ 170范围内对AK12M2型铜硅铸铝合金组织和性能的影响。磁场处理对合金晶粒进行粗化和磨削处理,使合金晶粒中充满顺磁元素Ti、Sn和反磁元素Cu、Zn,并调节铸态组织中的相比。结果,合金的硬度水平,在场的影响下缓慢冷却成刚玉形式,对应于热处理后的合金在压力下结晶。现场直接结晶得到的合金晶粒铜饱和度与热处理后的合金接近。在不使用特殊添加剂的情况下,合金的耐腐蚀性提高。在合金结晶过程中使用恒定磁场,可以节省合金、改性添加剂和电力。
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Protsessy lit''ia
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