高密度脉冲电流作用下LY12铝合金的凝固组织

訾炳涛; 崔建忠; 巴启先

doi:10.15980/j.tzzz.2000.04.002

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高密度脉冲电流作用下LY12铝合金的凝固组织
Solidification Structure of LY12 Alloy under Pulse Electric Current with High Density
2000年第4期页码：4-6
纸质出版日期： 2000 ，
DOI： 10.15980/j.tzzz.2000.04.002

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[1]訾炳涛,崔建忠,巴启先.高密度脉冲电流作用下LY12铝合金的凝固组织[J].特种铸造及有色合金,2000(04):4-6+3.

Zi Bingtao. Solidification Structure of LY12 Alloy under Pulse Electric Current with High Density[J]. Special Casting & Nonferrous Alloys, 2000,(4):4-6.
[1]訾炳涛,崔建忠,巴启先.高密度脉冲电流作用下LY12铝合金的凝固组织[J].特种铸造及有色合金,2000(04):4-6+3. DOI： 10.15980/j.tzzz.2000.04.002.

Zi Bingtao. Solidification Structure of LY12 Alloy under Pulse Electric Current with High Density[J]. Special Casting & Nonferrous Alloys, 2000,(4):4-6. DOI： 10.15980/j.tzzz.2000.04.002.

摘要

研究了高密度脉冲电流作用下LY12铝合金的凝固组织。试验结果表明

高密度的脉冲电流可明显地改善该合金凝固组织。和未经电流处理的样品相比

其组织明显细化和等轴化

且脉冲电流愈强

这种效果愈显著。

Abstract

Solidification structure of LY12 aluminum alloy under pulse electric current with high density was studied. The results showed that the pulse electric current with high density obviously improved the solidification structure. The microstructure is obviously to be refined and equiaxed as compared with specimen untreated with electric current. In addition

the stronger the density of pulse electric current was

the better the refining effect was.