电磁冶金技术研究新进展

任忠鸣,雷作胜,李传军,玄伟东,钟云波,李喜

New Study and Development on Electromagnetic Field Technology in Metallurgical Processes

Zhongming REN,Zuosheng LEI,Chuanjun LI,Weidong XUAN,Yunbo ZHONG,Xi LI

表1 在电磁场作用下感应加热和减少界面换热对凝固起始点位置的影响的计算结果^[23]

Table 1 The calculated result of influence of inducing heat and decreasing the interface heat transfer due to the electromagnetic field on the position of the starting point of solidification^[23]

Magnetic flux mT

Influence of decreasing the interface heat transfer

Influence of inducing heat in mold

Influence of inducing heat in metal

Heat transfer coefficient

10³ m²·K

Starting point of solidification

Inducing

heat

10⁶ J·m^-3

Starting point of solidification

Magnetic

flux

Starting point of solidification

13.7

1.4

9.2

2.4

21.7

3.4

1.8