Development of Thermophysical property measurements system for high temperature oxide melts by a pressurized electorstatic levitator

本研究的目的是建立一套基于静电悬浮法的高温氧化物熔体热物性测量系统。研制了一种可加压至10个大气压的静电悬浮器。在此基础上，对氧化物样品进行了悬浮和熔融试验，但由于样品周围高压气体的存在和氧化物样品表面电荷的分散，使样品难以稳定悬浮。ZrO_2的热物理性质是本研究的最终目标，但至今尚未完成。我们将继续这项研究的目标。

The aim of this research is to establish a thermophysical property measurement sysytem for high temperature oxide melts using an electrostatic levitation method. An electrostatic levitator has been developed which can be pressurized up to 10 atomosphere. Then, trials were made to levitate and melt oxide samples with it. Several issues including position sensing problem due to the high pressure gas around the sample and the fractuation of surface charge on the oxide samples made the stable levitation difficult. Thermophysical properties of ZrO_2, the ficnal goal of this research has not been completed yet. We will continue this research to the goal.