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Structure and property of metal melt IV—Evolution of titanium melt residual bond structure and its effect on dynamic viscosity

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Abstract

Based on the concept of melt residual bonds, a calculating model quantitatively describing the evolution of the residual bond structure of titanium melt at the melting point or in a certain range above the melting point was established; i.e., both the size dS and the bond number n of the residual bond structure decrease monotonously with the increase of temperature. By mathematical deduction, a linear relationship between the residual bond structure size d S and the dynamic viscosity η of Titanium melt was revealed, i.e., η= 0.876 + 0.471·d S, which is of great significance to the investigation of the relationship between the melt microstructure and the macroscopic properties of metals with high melting temperature.

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Authors and Affiliations

  1. Aviation Key Laboratory of Science and Technology on Advanced Titanium Alloys, Beijing Institute of Aeronautical Materials, Beijing, 100095, China

    GuangBao Mi, JingXia Cao, Xu Huang & ChunXiao Cao

  2. National Center of Novel Materials for International Research, Tsinghua University, Beijing, 100084, China

    GuangBao Mi, PeiJie Li & LiangJu He

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  1. GuangBao Mi
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  2. JingXia Cao
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  3. Xu Huang
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Correspondence to GuangBao Mi.

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Mi, G., Cao, J., Huang, X. et al. Structure and property of metal melt IV—Evolution of titanium melt residual bond structure and its effect on dynamic viscosity. Sci. China Phys. Mech. Astron. 55, 1371–1375 (2012). https://doi.org/10.1007/s11433-012-4804-8

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