Research on hardness and tensile properties of A390 alloy with tin addition

摘要：

　　The effect of tin content on hardness and tensile properties of A390 alloys has been discussed.The microstructure of the A390 alloy with tin addition has been surveyed by OM and investigated by SEM.Research showed that β-Sn in the alloy precipitation forms were mainly small blocks and thin strips,particles within the Al2Cu network or large blocks consisting of β-Sn and Al2Cu on Al/Si interfaces or α-Al grain boundaries.Spheroidization of the primary and eutectic silicon was improved due to Sn accretion.With the augment of element tin,hardness of casting alloy is much higher than that of alloy after heat treatment.The elongation and ultimate tensile strength(UTS)were increased in Sn addition from 0 to 1%,which is attributed to the multiple action of Sn.

作者: Yi Si

作者单位: Department of Applied Chemistry,Liaoning Petrochemical Vocational and Technology College,Jinzhou,China

会议类型: 国际会议

会议名称: 2017 International Symposium on Application of Materials Science and Energy Materials (SAMSE 2017) (2017材料科学应用与能源材料国际研讨会)

会议地点: 上海

会议语种:英文

页码: 1-5

在线出版日期: 2017-12-28（万方平台首次上网日期，不代表论文的发表时间）