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Computer Simulation of Solidification of Castings Processed in Metallurgical Engineering Foundries

机译：冶金工程铸造厂铸件凝固的计算机模拟

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摘要

Metal casting technology is one of the oldest manufacturing processes in production engineering. Metallurgical engineering industries which produce different types of castings are called as foundries. Casting solidification is actually the transformation of liquid phase to solid phase with the liberation of latent heat of fusion. During this metallurgical process, it induces casting defects 'like shrinkage, porosity and hot tears. To eradicate and eliminate these problems, accurate casting design and proper design of gating system is necessary. This can be predicted and designed by means of computer simulation of casting solidification. This article discusses about the simulation process of casting solidification which will help the foundry engineers and industrial metallurgists to-optimise the design parameters, better understand the temperature history of the solidifying casting and hence to identify the hot spot region with the aid of obtained time-temperature contours. These results will be used to get defect-free as cast products on implementing the above findings attained from the simulation process. In this paper, the importance of heat transfer in the simulation process is presented in a precise manner.
机译：金属铸造技术是生产工程中最古老的制造工艺之一。生产不同类型铸件的冶金工程行业称为铸造厂。铸件凝固实际上是随着熔化潜热的释放，液相转变成固相。在此冶金过程中，会引起铸件缺陷，如收缩，气孔和热裂。为了消除和消除这些问题，必须进行精确的铸造设计和浇口系统的正确设计。这可以通过计算机模拟铸造凝固来预测和设计。本文讨论了铸件凝固的模拟过程，这将有助于铸造工程师和工业冶金学家优化设计参数，更好地了解凝固铸件的温度历史，从而借助获得的时间来确定热点区域。温度等高线。这些结果将被用于实现模拟过程中获得的上述发现，从而使铸造产品无缺陷。在本文中，以精确的方式介绍了热传递在模拟过程中的重要性。

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