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基于应力三轴度修正的Q345钢J-C失效模型参数研究 被引量:4

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摘要 开展了Q345钢的缺口拉伸试验和霍普金森拉杆试验,重点分析了应力三轴度和应变率对钢材断裂的影响。考虑应变的时间累积及应力三轴度在最小截面处的空间分布效应,修正了应力三轴度的计算方法。基于缺口拉伸试验和SHTB试验结果拟合了材料J-C失效模型参数。
作者 崔戈
机构地区 海装舰艇局
出处 《中国水运(下半月)》 2017年第12期128-130,共3页
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