Laser based method for surface tension and density measurements for liquid refractory metals (Nb, Ta, and W)

被引:6
作者
Dal, Morgan [1 ]
Coste, Frederic [1 ]
Schneider, Matthieu [1 ]
Bolis, Riccardo [1 ]
Fabbroe, Remy [1 ]
机构
[1] HESAM Univ, CNRS, Cnam, Lab PIMM,Arts & Metiers, 151 Bd Hop, F-75013 Paris, France
关键词
experimental setup; surface tension; density; liquid metal; tungsten; niobium; tantalum; NONCONTACT MEASUREMENTS; DROP METHOD; VISCOSITY; PENDANT; TANTALUM; SILICON;
D O I
10.2351/1.5096138
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The increase of process simulations in industry leads to the need of accurate knowledge of material thermal properties. As the determination of liquid metal properties is quite difficult, this article presents an experimental setup and a technique to estimate the surface tension and the density of several refractory metals (Nb, Ta, and W) and their variation with the temperature. This work is based on the well known sessile droplet method applied in a controlled atmosphere (Ar) and coupled to thermal measurements. The particularity of this work is the acquisition of measurements up to high temperatures (over 3500 K).
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页数:7
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