Cu-P base Master alloy with Low Melting Point and Its Modification Effect

Wu Yuying Liu Xiangfa Liu Xiangjun Bian Xiufang

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Cu-P base Master alloy with Low Melting Point and Its Modification Effect
Issue 3, Pages: 69-70(2004)
Published： 2004 ，
DOI：

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[1]武玉英,刘相法,刘相俊,边秀房.低熔点Cu-P基中间合金及其变质效果[J].特种铸造及有色合金,2004(03):69-70+76.

Wu Yuying Liu Xiangfa Liu Xiangjun Bian Xiufang. Cu-P base Master alloy with Low Melting Point and Its Modification Effect. [J]. Special Casting & Nonferrous Alloys (3):69-70(2004)
[1]武玉英,刘相法,刘相俊,边秀房.低熔点Cu-P基中间合金及其变质效果[J].特种铸造及有色合金,2004(03):69-70+76. DOI：

Wu Yuying Liu Xiangfa Liu Xiangjun Bian Xiufang. Cu-P base Master alloy with Low Melting Point and Its Modification Effect. [J]. Special Casting & Nonferrous Alloys (3):69-70(2004) DOI：

摘要

利用差示扫描量热仪（DSC）、扫描电子显微镜（SEM）和金相显微镜等手段对Cu P基中间合金进行了研究。结果表明

在二元共晶Cu P中间合金中加入一定量的Sn可制成低熔点的Cu 16Sn 8P中间合金 ;在此基础上研制出一种熔点为63 0℃左右的低熔点的多元Cu P基中间合金。与Cu P中间合金相比

该低熔点多元Cu P基中间合金对过共晶Al 2 4Si合金具有更好的变质效果。同时

该中间合金对ZL10 9合金也具有良好的变质效果。

Abstract

Cu-P base master alloy was studied by means of DSC

SEM and OM. The results showed that ternary Cu-16Sn-8P master alloy can be obtained by adding some Sn into binary eutectic Cu-P master alloy. Based on above results a multi-element Cu-P base master alloy with low melting point of 630℃ can be developed. Compared with binary Cu-P base master alloy

the new master alloy possessed better modification effects on hypereutectic Al-24Si alloy

meanwhile

the master alloy have good modification effects on ZL109 alloy also.