Quick Monitoring Modification of Al-Si Alloy Melting

Xue Yiyu Zhang Youling Xu Huating

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Quick Monitoring Modification of Al-Si Alloy Melting
Issue 5, Pages: 18-21(1989)
Published： 1989 ，
DOI：

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[1]薜亦渝,张幼陵,许华亭.铝硅合金变质效果的炉前快速检测[J].特种铸造及有色合金,1989(05):18-21+12.

Xue Yiyu Zhang Youling Xu Huating. Quick Monitoring Modification of Al-Si Alloy Melting. [J]. Special Casting & Nonferrous Alloys (5):18-21(1989)
[1]薜亦渝,张幼陵,许华亭.铝硅合金变质效果的炉前快速检测[J].特种铸造及有色合金,1989(05):18-21+12. DOI：

Xue Yiyu Zhang Youling Xu Huating. Quick Monitoring Modification of Al-Si Alloy Melting. [J]. Special Casting & Nonferrous Alloys (5):18-21(1989) DOI：

摘要

热分析法可用来监测共晶Al-Si合金用Na、Sr变质的变质效果

并能监测亚共晶铝合金α晶粒细化及过共晶Al-Si合金初晶硅的细化。该法借助于对合金特殊温度点的变化ΔT的测量

可以予测合金的金相组织及机械性能

因而是一种快速、简便、廉价的炉前检测方法。

Abstract

Thermal analysis can be used to monitor the modification effect of eutectic Al-Si casting alloy with Na or Sr

as well as to monitor a-grain refinement of hypoecutectic aluminium alloy and tomonitor primary silicon grain refinement of hypereutectic aluminium-silicon alloys. The microstructure and the mechanical properties of alloys can be determined by measuring AT at special temperature point and therefore this method is a quick

simple

convenient and economical method for monitoring the quality of melting Al-Si casting alloys.