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Surface tension of a highly supercooled Ni-15%Sn alloy melt

Xiong Yu-Ying Dai Fu-Ping Wei Bing-Bo Zhang La-Bao

Surface tension of a highly supercooled Ni-15%Sn alloy melt

Xiong Yu-Ying, Dai Fu-Ping, Wei Bing-Bo, Zhang La-Bao
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  • Abstract views:  4633
  • PDF Downloads:  1517
  • Cited By: 0
Publishing process
  • Received Date:  18 April 2005
  • Accepted Date:  23 May 2005
  • Published Online:  20 January 2006

Surface tension of a highly supercooled Ni-15%Sn alloy melt

  • 1. (1)华南师范大学物理与电信工程学院,广州 510631; (2)西北工业大学应用物理系,西安 710072; (3)西北工业大学应用物理系,西安 710072;华南师范大学物理与电信工程学院,广州 510631

Abstract: The surface tension of supercooled liquid Ni-15%Sn alloy was measured by the electromagnetic oscillating drop method over a wide temperature range from 1368 to 1915K. The maximum supercooling of 265K(0.16TL) was achieved. Over the temperature range investigated, the measured surface tension shows a linear property expressed by σNi-15%Sn=1316.7-1.01(T-TL)mN/m. On the basis of experimental data, the viscosity and the diffusion coefficient of Ni-15%Sn melt were derived, and we also analyzed the activation energy for viscous flow and diffusion.

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