Density of molten gadolinium oxide measured with the electrostatic levitation furnace in the International Space Station

被引：11

作者：

Ishikawa, Takehiko ^{[1
]}

Koyama, Chihiro ^{[1
]}

Saruwatare, Hideki ^{[1
]}

Tamaru, Haruka ^{[1
]}

Oda, Hirohisa ^{[1
]}

Ohshi, Masato ^{[1
]}

Nakamura, Yasuhiro ^{[1
]}

Watanabe, Yuki ^{[2
]}

Nakata, Yui ^{[2
]}

机构：

[1] Japan Aerosp Explorat Agcy JAXA, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan

[2] AES Co Ltd, 1-6-1 Takezono, Tsukuba, Ibaraki 3050032, Japan

来源：

HIGH TEMPERATURES-HIGH PRESSURES | 2020年 / 49卷 / 1-2期

关键词：

Gadolinium oxide; density; liquid; NONCONTACT MEASUREMENT TECHNIQUE; SURFACE-TENSION; REFRACTORY OXIDES; EMISSIVITY;

D O I：

10.32908/hthp.v49.835

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Density of gadolinium oxide in its liquid phase was measured using a containerless technique under microgravity environment in the International Space Station (ISS). An electrostatically levitated sample was melted using high power semiconductor lasers. Pictures of a molten spherical sample were analyzed and corresponding volumes were obtained as a function of temperature. After weighing the returned sample mass, the density of the Gd2O3 was found to be 7240 kg/m(3) at its melting temperature (T-m = 2693 K).

引用

页码：5 / 15

页数：11

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