在深度绘制SECC钢圆柱杯中,关于收益率标准对无otropic行为和断裂预测的影响的研究
Quy-Huy Trieu1, The-Thanh Luyen2, Duc-Toan Nguyen3
1Faculty of Mechanical Engineering, University of Economics-Technology for Industries, Hanoi 100000, Vietnam.
Materials (Basel, Switzerland)
|June 27, 2024
概括
这项关于SECC钢铁深度绘制的研究强调了产量标准如何影响断裂预测. 希尔'48R模型准确地预测了材料的行为,与同位素模型不同.
科学领域:
- 材料科学与工程 材料科学与工程
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 深度绘制对于板材成型至关重要,但易受异型性诱导的缺陷的影响.
- 准确预测材料的行为和断裂对于过程优化至关重要.
研究的目的:
- 为了研究不同产量标准 (Hill'48R,Hill'48S,von Mises) 对SECC钢的异构性行为的影响.
- 为了评估这些标准的断裂预测准确性,在深度绘制的圆柱形杯.
主要方法:
- 集成Hill'48R,Hill'48S和·米塞斯的结果与斯威夫特的硬化定律的标准.
- 对于SECC钢的深工艺的实验和数值模拟.
- 在0°,45°和90°的方向上评估异构性效应.
主要成果:
- 在预测骨折高度方面,在同otropic 和 anisotropic 模型之间观察到显著的差异.
- ·米塞斯标准低估了骨折高度,表明骨折易受性更高.
- 希尔'48R模型与实验数据 (最大偏差为3.23%) 密切一致,通过参数变化验证.
结论:
- 收益率标准的选择对深度绘图中的异构行为和断裂预测产生了重大影响.
- 不同类型的模型,特别是Hill'48R,对于SECC钢深度绘图模拟,优于同类型的模型.
- Hill'48S具有中度的塑性变形特性,为特定应用提供了替代方案.
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