Salt-composite Modification on ZA27 Cast Alloy

Zhou Dianwu1; Liu Jinshui3; Shu Zhen2

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Salt-composite Modification on ZA27 Cast Alloy
Issue 5, Pages: 348-350(2008)
Published： 2008 ，
DOI：

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[1]周惦武,刘金水,舒震.铸造ZA27合金的盐类复合变质研究[J].特种铸造及有色合金,2008(05):348-350+324.

Zhou Dianwu1, Liu Jinshui3, Shu Zhen2. Salt-composite Modification on ZA27 Cast Alloy. [J]. Special Casting & Nonferrous Alloys (5):348-350(2008)
[1]周惦武,刘金水,舒震.铸造ZA27合金的盐类复合变质研究[J].特种铸造及有色合金,2008(05):348-350+324. DOI：

Zhou Dianwu1, Liu Jinshui3, Shu Zhen2. Salt-composite Modification on ZA27 Cast Alloy. [J]. Special Casting & Nonferrous Alloys (5):348-350(2008) DOI：

摘要

研究了影响ZA27合金盐类复合变质效果的工艺参数

并在生产条件下进行了试验。结果表明

在保证较高抗拉强度的前提下

Ti+B复合盐能显著提高ZA27合金的伸长率

当复合盐加入量为0.3%时

ZA27合金的伸长率达到16%以上

显示Ti+B复合盐变质是一种有效的变质剂

生产条件下ZA27合金的各项力学性能达到锡青铜滑动摩擦耐磨件的性能水平。

Abstract

The processing parameters of salt-composites modification on ZA27 alloy have been determined

which was verified by practical product. The results indicate that the Ti+B mixed modification can remarkably improve the elongation of ZA27 under the condition of non-deteriorating tensile strength

which is a effective modifier. The production verifies that the mechanical properties of ZA27 alloy can approach to that of the bronze parts.