Al-Mg-Si合金中的富铁相对其力学性能的影响

汪小锋, 谭蔚, 冯光明, 刘吉波, 刘先斌, 鲁涵

Effect of Fe-rich Phase on Mechanical Properties of Al-Mg-Si Alloy

WANG Xiaofeng, TAN Wei, FENG Guangming, LIU Jibo, LIU Xianbin, LU Han

表3 T4P态合金板材的力学性能

Table 3 Mechanical properties of the T4P treated alloy sheets

Alloy Direction / (°) r Average r (r¯) Δr n Average n Elongation / % Yield strength / MPa Ultimate tensile strength / MPa A 0 0.725 0.59 0.194 0.312 0.315 26.3 113 237 45 0.493 0.312 25.3 105 224 90 0.649 0.323 24.9 105 223 B 0 0.700 0.63 0.102 0.298 0.299 25.7 133 269 45 0.579 0.298 27.0 124 255 90 0.661 0.302 26.0 125 253