Double-vacuum crucible for temperatures upto 1600°C

被引：1
|
作者：
Halas, S. [1 ]
机构：
[1] Marie Curie Sklodowska Univ, Inst Phys, Mass Spectrometry Lab, PL-20031 Lublin, Poland
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2006年 / 86卷 / 01期
关键词：
boron nitride; crucible; extraction; noble gases; tantalum; titanium; UHV;
D O I：
10.1007/s10973-006-7574-6
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new design of dual-vacuum crucible (Staudacher type) is described. The lower and upper part of the crucible is made of tantalum and titanium, respectively. The lower part is heated by a tantalum wire coil inserted into a helix furrow made in a thick-walled insulating cylinder. This cylinder was made from a machineable boron nitride ceramic. By means of this, the crucible may be safely heated in vacuum up to 1600 degrees C.
引用
收藏
页码：31 / 33
页数：3
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