集成铸造缺陷的铝合金轮毂疲劳寿命预测Prediction of Fatigue Life for Automotive A-Alloy Wheel with Integrated Cast Defects
童水光;徐立;刘岩;张响;
摘要(Abstract):
为提高轮毂疲劳寿命预测的准确性,建立了轮毂铸造缺陷集成模型。利用所建模型对某低压铸造铝合金A356轮毂进行了模拟分析,预测了该轮毂弯曲疲劳试验时的疲劳寿命。试验结果表明,铸造缺陷集成模型所预测的铝合金轮毂疲劳寿命与试验结果相吻合;与局部应力应变法预测相比,铸造缺陷集成模型预测结果更接近实测水平,提高了设计效率及生产效率。
关键词(KeyWords): 铝合金轮毂;铸造缺陷;疲劳寿命预测
基金项目(Foundation):
作者(Authors): 童水光;徐立;刘岩;张响;
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