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Shrinkage of Round Iron-Carbon Ingots during Solidification and Subsequent Cooling

机译：凝固和随后冷却过程中圆形铁碳锭的收缩

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摘要

The shrinkage of round iron-carbon ingots during solidification and subsequent cooling has been investigated with hot model experiments involving round ingots of 50kg of steel. Three motor driven sensors made it possible to measure the shrinkage without deformation of the shell starting a few seconds after casting. The temperature distribution was computed with a thermal model. Thereafter, a mechanical model was applied to compute the shrinkage finding satisfactory agreement between the measured and computed shrinkage-time curves. Data are given on the effect of carbon content on the shrinkage of steel and it was confirmed that there is a shrinkage peak at about 0.1 mass% carbon.
机译：圆形铁碳钢在凝固和随后的冷却过程中的收缩率已通过热模型实验进行了研究，该实验涉及50kg钢的圆形铸锭。铸造后几秒钟开始，三个电机驱动的传感器使测量收缩率成为可能，而壳体没有变形。用热模型计算温度分布。此后，应用机械模型计算收缩率，在测量的收缩时间曲线和计算的收缩时间曲线之间找到令人满意的一致性。给出了碳含量对钢的收缩率的影响的数据，并且证实了在约0.1质量％的碳处存在收缩峰。

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