Based on the analysis of the effect of excitation force of vibration aging on the fatigue life of white cast iron parts, the selection gist for excitation force was determined.

• 从理论上分析了振动时效激振力对白口铸铁工件疲劳寿命的影响,确定了白口铸铁疲劳破坏工件振动时效激振力的选择依据。