Analysis and simulation research on deep drawing of magnesium alloy box-shaped products with sand die based on different driving modes

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Research Pub Date : 2024-07-09 DOI:10.1557/s43578-024-01373-x

Xinyu Han, Hongyu Wang, Xinyu Wang, Jinyan Han, Sixiang Zhang

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Abstract

Deep drawing of box-shaped products is of wide interest. In this study, sand was used as a flexible medium to replace the rigid die for deep drawing of box-shaped products. This method can enable forming with reduced die cost. During the deep drawing, three driving modes were realized through different placement of the sand. To study the difference among these three driving modes, the macroscopic and microscopic cooperative verification method was adopted. At the macroscopic level, the pressure stress was analyzed by using analytical models and simulation. The stress variation rules were also obtained. At the microscopic level, the microstructure of the key regions is discussed. The results show that the maximum decrease in the average grain size was about 82.38%. The maximum proportion of deformed grains was about 4.30%. The rules governing the change in the microstructure and stress were obtained, enabling prediction of the stress distribution and the microstructure of other products obtained by using sand forming.

Graphical abstract

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基于不同驱动模式的砂模镁合金箱形产品拉深分析与仿真研究

箱形产品的深拉伸受到广泛关注。在这项研究中，沙子作为一种柔性介质被用来替代刚性模具，用于盒形产品的拉深。这种方法可以在降低模具成本的同时实现成型。在拉深过程中，通过砂的不同放置实现了三种驱动模式。为了研究这三种驱动模式的差异，采用了宏观和微观协同验证的方法。在宏观层面，通过分析模型和模拟分析了压力应力。同时还得到了应力变化规律。在微观层面，讨论了关键区域的微观结构。结果表明，平均晶粒大小的最大降幅约为 82.38%。变形晶粒的最大比例约为 4.30%。研究获得了微观结构和应力变化的规律，从而可以预测使用砂型成型技术获得的其他产品的应力分布和微观结构。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory