Mg对再生铅黄铜C3604合金组织及性能影响  

Effect of Mg on Microstructure and Properties of C3604 Alloy Produced from Brass Scrap

作　　者：向朝建[1,2] 李华清[2] 朱莎霜 陈忠平[2] 张曦[2] 杨东超[3] 

机构地区：[1]上海交通大学,上海200240 [2]苏州有色金属研究院有限公司,江苏苏州215026 [3]宁波长振铜业有限公司,浙江宁波315470

出　　处：《有色金属加工》2015年第5期23-27,39,共6页Nonferrous Metals Processing

基　　金：江苏省铜合金材料工程技术研究中心企业合作项目(K1219004)

摘　　要：文章针对废杂黄铜直接重熔制备铅黄铜C3604合金,精炼时采用金属镁对合金熔体进行变质处理,研究了金属镁对再生铅黄铜C3604合金组织及性能影响。结果表明,废杂铜重熔制备C3604合金熔体中,Mg元素与Sn、Si、Fe及Al等杂质元素结合,形成Mg2Sn相及富含Sn、Pb、Mg、Si和Al元素的多元素聚集颗粒相;Mg元素还与Pb元素结合,使Pb颗粒相数量减少,其含量不宜过高而使Pb相数量减少,Mg元素含量为0.28wt%时C3604合金形貌组织理想,且产品切削性能较好。When producing C3604 alloy by remelting brass scrap,Mg can be applied to modify the properties of remelted scrap.The paper studied the effect of Mg on microstructure and properties of alloy C3604. The result showed that Mg in combination with impurity elements including Sn,Si,Fe and Al formed the Mg2 Sn phase as well as multi-element particle aggregation phase containing Sn,Pb,Mg,Si and Al; the amount of Pb particle phase decreased due to Mg combining with Pb,and a large excess of Mg should be avoided; getting ideal morphology and good machinability was to keep Mg content at 0. 28 wt %

关 键 词：废杂铜再生 铅黄铜 镁 组织 切削性 

分 类 号：TG146.11[一般工业技术—材料科学与工程]