原位自生纳米Al2O3/Al-Zn-Cu复合材料的力学性能

刘思妤, 李正元, 陈立佳, 李锋

Mechanical Properties of In-situ Synthesised Nano Al2O3/Al-Zn-Cu Composites

LIU Siyu, LI Zhengyuan, CHEN Lijia, LI Feng

表3 Al-Zn-Cu基体合金和Al2O3/Al-Zn-Cu复合材料的拉伸强度、屈服强度和总伸长率

Table 3 Tensile strength, yield strength and total elongation of Al-Zn-Cu base alloy and Al2O3/Al-Zn-Cu composite

Samples Tensile strength, σt/MPa Yield strength, σ0.2/MPa Total elongation, At/% As-cast Al-Zn-Cu 159.4±10.2 97.7±7.1 15.7±3.1 Rolling + heat treatment Al-Zn-Cu 197.6±11.7 166.5±7.9 16.9±5.1 As-cast Al2O3/Al-Zn-Cu 235.5±15.5 187.2±8.9 15.8±5.5 Rolling + heat treatment Al2O3/Al-Zn-Cu 398.2±12.8 249.1±5.5 33.5±9.5