Cu-10Sn-4Ni-3Pb Alloy Prepared by Crystallization Under Pressure: An Experimental Study

查看全文 作　　者：Kexing [1,2]SONG;Yanjun [3]ZHOU;Peifeng [1,2]ZHAO;Yanmin [1,2]ZHANG;Ning [1]BAI

机构地区：[1]School of Materials Science and Engineering, Henan University of Science and Technology;[2]Henan Key Laboratory of Advanced Non-ferrous Metals;[3]Xi'an Jiaotong University

出　　处：《Acta Metallurgica Sinica(English Letters)》索引2013年第26卷第2期,共7页

基　　金：supported by the National Natural Science Foundation of China(Nos.51075122 and U1034002) 摘　　要：The wear-resistant tin bronze (Cu-10Sn-4Ni-3Pb) with tin content above 8 wt.% prepared by traditional melting and casting process usually defects such as low density, poor properties and segregations. The crystallization under pressure processing of Cu-10Sn-4Ni-3Pb alloy was investigated. The microstructures were observed and analyzed and compared with that by traditional melting and casting process. The results show that the dendrite has obviously disappeared and the dendritic segregation alleviated by using the crystallization under 680 MPa pressure process, in comparison with the remarkably dendrite microstructure and severe as-cast defects of alloy prepared by traditional melting and casting technology. Based on the experimental study, the properties and microstructures of Cu-10Sn-4Ni-3Pb tin bronze prepared by crystallization under pressure have been improved significantly. 关键词：铸态合金锡青铜压力结晶实验枝晶偏析显微组织铸造工艺

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Cu-10Sn-4Ni-3Pb Alloy Prepared by Crystallization Under Pressure: An Experimental Study

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