SiC对C194铸态合金组织及性能的影响  

Effects of SiC on Microstructure and Properties of C194 As-Cast Alloy

作　　者：蔡薇[1] 廖钰敏[2] 张英[1] 钟强强 潘少彬[1] 

机构地区：[1]江西理工大学材料科学与工程学院,江西赣州341000 [2]广东松山职业技术学院,广东韶关512126

出　　处：《铸造》2015年第4期349-352,共4页Foundry

基　　金：江西省自然基金资助项目(2009GZC0048);江西省科学院江西省铜钨新材料重点实验室开放基金资助项目(No.2010-WT-03)

摘　　要：研究Si C的加入量对C194合金铸态组织和性能的影响。研究结果表明,Si C对C194合金铸态组织有明显的细化效果,能有效减小铸锭晶粒的尺寸。通过Image Pro Plus软件统计得出,当Si C添加量为0.4%时晶粒细化效果最佳,比未添加Si C的合金晶粒尺寸减小了83.1%。合金硬度也得到提高,Si C添加量为0.8%时硬度达到最高值为HB76.7,比未添加时提高了20%。In this experiment, the effects of composition of SiC on the microstructure and properties of C194 as-cast copper alloy were studied. The results show that grain refinement is prominent when SiC is added into the C194 copper alloy. The size of as-cast grain of C194 copper alloy is sharply decreased, meanwhile the hardness of the alloy is enhanced. The software Image Pro Plus was used to count the size and make a statistic of the grain. The results show that the grain size is optimal and reduced by 83.1% compared with the alloy without SiC when the composition of SiC is 0.4%. The hardness of copper is increased to HB 76.7 by 20% compared with the alloy without SiC when the composition of SiC is 0.8%.

关 键 词：SIC C194合金 晶粒细化 组织 性能 

分 类 号：TG146.11[一般工业技术—材料科学与工程]