在三点曲过程中定制制合金空白的成型特性
Ying Zhi1, Yue Feng1, Dong Wang1
1State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, China.
Materials (Basel, Switzerland)
|April 9, 2024
概括
这项研究研究了合金的定制制空白 (Al-TRB),揭示了良好的曲性能,没有裂. 分析了弹回流和金属流量,为汽车零件提供设计指导.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 在汽车制造业中,为减轻重量和保持结构完整性,越来越多地使用定制制空白板 (Al-TRB).
- 了解Al-TRB的可塑性,特别是合金变种,对于优化生产流程至关重要.
研究的目的:
- 在三点曲过程中研究合金定制制空白板 (Al-TRB) 的成型特性.
- 在曲条件下分析Al-TRB中的应变分布,弹回流行为和金属流动规律.
- 为Al-TRB汽车零部件的大规模生产中模具设计提供理论指导.
主要方法:
- 在室温下对Al-TRB三点曲的实验研究.
- 用有限元模拟来建模曲过程并分析成型特征.
- 应变分布的分析,弹回转角度和金属流动模式.
主要成果:
- 阿尔-TRB具有良好的曲性能,即使在180°曲时也没有观察到表面裂.
- 表面粗发生在曲之外,由于较高的应变,在较厚的区域更为明显.
- 弹回转角在薄区域较高,并且随着曲角度增加;它受到薄,厚和过渡区域相对长度的影响.
- 金属流向曲区域的更厚的区域,并向边缘的更薄的区域流动,观察到局部加厚和减薄.
结论:
- 这项研究提供了对三点曲过程中Al-TRB形成行为的全面了解.
- 结果为控制反弹和管理无缺陷部件的材料流提供了宝贵的见解.
- 这些发现支持模具设计的优化,以实现高效可靠的汽车Al-TRB组件制造.
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