The Effect of Sodium Modifier on the Shape and Distribution of Porosity about Cast Alloy ZL104

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The Effect of Sodium Modifier on the Shape and Distribution of Porosity about Cast Alloy ZL104
Issue 6, Pages: 23-25(1987)
Published： 1987 ，
DOI：

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[1]王秉玉,姜逎琏,杨育民.钠基变质剂对ZL104铸造合金疏松形态和分布的影响[J].特种铸造及有色合金,1987(06):23-25+43.

The Effect of Sodium Modifier on the Shape and Distribution of Porosity about Cast Alloy ZL104. [J]. Special Casting & Nonferrous Alloys (6):23-25(1987)
[1]王秉玉,姜逎琏,杨育民.钠基变质剂对ZL104铸造合金疏松形态和分布的影响[J].特种铸造及有色合金,1987(06):23-25+43. DOI：

The Effect of Sodium Modifier on the Shape and Distribution of Porosity about Cast Alloy ZL104. [J]. Special Casting & Nonferrous Alloys (6):23-25(1987) DOI：

摘要

<正> 一、引言随金属物理学及测试技术的发展

对钠或钠盐变质机理的研究日益深入

取得了重要成果。然而对它在铸件凝固过程中所引起疏松形态和分布的改变等这些铸件质量密切相关的问题研究得还不够深入。我们在工作中发现

钠基变质剂能够影响铸件的凝固过程

进而影响着铸件常见缺陷—疏松的形态和分布。为此

我们在生产条件下进行了实验

实验结果证明了这一点。

Abstract

This paper will introduce the effect of sodium modifier on the shape of porosity and distribution about cast alloy ZL104. During solidification

using the platelike castings and sand mold at the same process. Tested results show that dispersed porosity usually exists in sodium modified castings Castings which are not modified with sodium

are liable to have concented spongy porisity. Pouring temperature does not has apparent influence to it.

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