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DSC study on the undercooling of droplet solidification of metal melt

机译:DSC研究金属熔体液滴凝固过冷

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摘要

In this paper, the influence of cooling rate on the undercooling of droplet solidification of metal melt has been investigated by employing the differential scanning calorimetry (DSC) method. The effect of cooling rate on the undercooling as well as its change tendency is analyzed theoretically. It is shown that the undercooling degree increases whereas the change rate of undercooling decreases with increasing cooling rate. Moreover, the change tendency approaches zero when the cooling rate exceedingly increased, indicating that an extremum of undercooling exists with increasing cooling rate.
机译:本文采用差示扫描量热法(DSC)研究了冷却速率对金属熔体液滴凝固过冷的影响。从理论上分析了冷却速率对过冷的影响及其变化趋势。结果表明,随着冷却速度的增加,过冷却度增加,而过冷却的变化率减小。此外,当冷却速率过度增加时,变化趋势接近零,表明随着冷却速率的增加,存在过冷的极值。

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