含缺陷的Al-Si-Mg合金的疲劳性能和强度评估
易科尖,吴明泽,张继旺,闫军芳,梅桂明,朱守东,苏凯新

Fatigue Properties and Strength Assessment for Al-Si-Mg Alloy via Test Samples with Artificial Defects
Kejian YI,Mingze WU,Jiwang ZHANG,Junfang YAN,Guiming MEI,Shoudong ZHU,Kaixin SU
表5 含人工缺陷的Al-7Si-0.6Mg试样修正公式预测结果与试验结果对比
Table 5 Comparison of prediction results of modified formulas of Al-7Si-0.6Mg samples with artificial defects and experimental results
Serial number

area

/μm

σ5×107

/MPa

σw/MPaσ5×107/σwError/%
13708079.311.010.86
25557574.131.011.16
37407070.660.990.94
49256068.080.8813.47