低压铸造过程铝熔体的氢含量变化

曾建民; 顾红; 甘武奎; 龙国荣

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低压铸造过程铝熔体的氢含量变化
Effects of Compressed Air Humidity on Hydrogen Content in Al-melt in Low Pressure Die Casting
2004年第6期页码：63-64
纸质出版日期： 2004 ，
DOI：

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[1]曾建民,顾红,甘武奎,龙国荣.低压铸造过程铝熔体的氢含量变化[J].特种铸造及有色合金,2004(06):63-64+79.

Zeng Jianmin Gu Hong. Effects of Compressed Air Humidity on Hydrogen Content in Al-melt in Low Pressure Die Casting[J]. Special Casting & Nonferrous Alloys, 2004,(6):63-64.
[1]曾建民,顾红,甘武奎,龙国荣.低压铸造过程铝熔体的氢含量变化[J].特种铸造及有色合金,2004(06):63-64+79. DOI：

Zeng Jianmin Gu Hong. Effects of Compressed Air Humidity on Hydrogen Content in Al-melt in Low Pressure Die Casting[J]. Special Casting & Nonferrous Alloys, 2004,(6):63-64. DOI：

摘要

在不同的压缩空气相对湿度下

试验测定了低压铸造过程中液态铝合金氢含量的变化。结果表明

尽管真空精炼具有很强的除气能力

但低压铸造的除气效果与压缩空气的相对湿度有关。潮湿的空气会造成含氢量的波动

干燥的压缩空气更有助于获得高质量的铝合金液。

Abstract

Changes in hydrogen content in liquid aluminum were measured under different relative humidity of compressed air in low pressure die casting. The results showed that although the vacuum smelting has strongly degassing capacity

the degassing effects is relevant to the relative humidity of compressed air in low pressure die casting. Fluctuation in hydrogen content results from wet air. The dry compressed air is helpful to highly qualified liquid Al.