铝合金Na-Mg变质规律研究

倪为国; 李贵成; 费贻忠

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铝合金Na-Mg变质规律研究
Research of Na-Mg Modification Rules on Al-Si Alloys
1995年第6期
纸质出版日期： 1995 ，
DOI：

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[1]倪为国,李贵成,费贻忠.铝合金Na-Mg变质规律研究[J].特种铸造及有色合金,1995(06):13-16.

Research of Na-Mg Modification Rules on Al-Si Alloys[J]. Special Casting & Nonferrous Alloys, 1995,(6).
[1]倪为国,李贵成,费贻忠.铝合金Na-Mg变质规律研究[J].特种铸造及有色合金,1995(06):13-16. DOI：

Research of Na-Mg Modification Rules on Al-Si Alloys[J]. Special Casting & Nonferrous Alloys, 1995,(6). DOI：

摘要

热分析法可以记录试样在冷却过程中的时间-温度曲线。在本文中，根据热分析曲线和大量的试验数据，得到了铝合金Ｎａ-Ｍｇ变质的综合规律，同时也给出了σｂ与△Ｔ之间的数学计算公式。最后把公式计算数据和实验结果做了对比。实践表明：利用本文结论来指导现场生产是一种行之有效的方法。

Abstract

It is known that thermal analysis method can record the time-temperature curves of aspecimen during solidification. In this paper

according to the thermal analysis curves and manyexperiments data

a compound rule of Na-Mg modification for Al-St Alloy has been obtained

simultaneously mathematical calculating formulas between △T and σb is put forward. Finally calculated numbers had been compared with the experimental results.the facts have proved that thismethod is very useful to production.