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首页> 外文期刊>ISIJ international >Mathematical Modeling and Microstructure Analysis of Al–Mg–Sc–Zr Alloy Strips Produced by Horizontal Single Belt Casting (HSBC)
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Mathematical Modeling and Microstructure Analysis of Al–Mg–Sc–Zr Alloy Strips Produced by Horizontal Single Belt Casting (HSBC)

机译：水平单带铸造（HSBC）生产的Al-Mg-Sc-Zr合金带的数学建模和组织分析

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摘要

Horizontal Single Belt Casting (HSBC) is a near net shape strip casting technology that will probably gain significant prominence in the coming years. Fluid mechanics and associated heat and mass transfer are important aspects of any continuous casting process, and the HSBC process is no exception.In this study, mathematical models have been developed, using ANSYS FLUENT 14, to assess various aspects of the HSBC process for the Al–Mg–Sc–Zr system. Specific emphasis is placed on a) the effects of substrate surface properties on strip quality, b) liquid metal-air two-phase interactions and meniscus behavior, c) heat fluxes between the metal and substrate, and d) solidification behavior during strip casting.These predictions are validated against experimental casting results. A 5000 series Al–Mg alloy, with added Sc and Zr, shows exceptional potential as a structural material for aerospace and transportation applications. It is also a suitable material to be produced via the HSBC process. Optical microscopy, SEM and EBSD analyses were conducted to compare the potential advantages of casting this alloy via the HSBC process versus conventionally produced Direct Chill Casting.
机译：卧式单带铸造（HSBC）是一种接近最终形状的带钢铸造技术，在未来几年中可能会获得显着的发展。流体力学和相关的传热传质是任何连续铸造过程的重要方面，而HSBC过程也不例外。在这项研究中，使用ANSYS FLUENT 14开发了数学模型，以评估HSBC过程的各个方面。 Al–Mg–Sc–Zr系统。特别强调a）基材表面性能对带钢质量的影响; b）液态金属与空气的两相相互作用和弯液面行为; c）金属与基材之间的热通量; d）带钢铸造过程中的凝固行为。这些预测已针对实验铸造结果进行了验证。含有Sc和Zr的5​​000系列Al-Mg合金作为航空航天和运输应用的结构材料具有巨大的潜力。它也是通过HSBC工艺生产的合适材料。进行了光学显微镜，SEM和EBSD分析，以比较通过HSBC工艺与常规生产的直接冷硬铸造法铸造这种合金的潜在优势。

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