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首页> 外文期刊>ISIJ international >Measurements of the surface tension of the Iron-Silicon system using electromagnetic levitation
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Measurements of the surface tension of the Iron-Silicon system using electromagnetic levitation

机译：用电磁悬浮法测量铁硅系统的表面张力

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Surface tension measurements have been carried out on binary alloys of iron and silicon, and on pure iron using the levitated drop technique. The alloy compositions (atomic percent) chosen were Fe + 25/100 Si, Fe + 37.5/100 Si, Fe + 50/100 Si, Fe + 62.5/100 Si, Fe + 75/100 Si. Attempts were also made to measure the surface tension of pure silicon by this method, which unfortunately resulted in only one successful measuement. Surface tension of pure silicon by this method, which unfortunately resulted in only one successful measurement. Surface tension is derived from measurements of the oscillation frequencies of a liquid droplet levitated in the magnetic field of a radio frequency coil, which also inductively heats the sample. It is therefore necessary for the material under study to be electrically conducting, and whilst the alloy samples levitated readily, it was necessary to pre-heat the silicon to about 800 deg C before it would levitate. The difficulties the electrical conduction of silicon imposes on the measurement are discussed.
机译：已经使用悬浮滴技术对铁和硅的二元合金以及纯铁进行了表面张力测量。选择的合金成分（原子百分比）为Fe + 25/100 Si，Fe + 37.5 / 100 Si，Fe + 50/100 Si，Fe + 62.5 / 100 Si，Fe + 75/100 Si。还尝试通过该方法测量纯硅的表面张力，不幸的是，仅成功地进行了一次测量。通过这种方法，纯硅的表面张力很不幸地仅导致一次成功的测量。表面张力来自于悬浮在射频线圈磁场中的液滴的振荡频率的测量值，该液滴还感应加热样品。因此，所研究的材料必须具有导电性，并且合金样品容易悬浮，而在悬浮之前必须将硅预热至约800摄氏度。讨论了硅的导电性给测量带来的困难。

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