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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Thermophysical properties of the Ni-based alloy Nimonic 80A up to 2400 K, II
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Thermophysical properties of the Ni-based alloy Nimonic 80A up to 2400 K, II

机译：高达2400 K的Ni基合金Nimonic 80A的热物理性质II

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摘要

Numerical simulation of fluid flow, heat transfer, solidification or thermal induced stresses have gained a tremendous significance in steel working industry branches. With the advent of adequate computing power, full three-dimensional calculation of the determining physical equations have become possible. A major drawback of these simulation techniques is the lack of accurate thermophysical properties. By the means of a fast pulse heating technique thermophysical data for the solid and liquid material required for the simulations can be measured. Important input parameters for the heat transfer equation are heat capacity, heat of fusion, density and thermal conductivity. Since direct measurements of thermal conductivity of alloys in the liquid state are almost impossible, its estimation from the electrical conductivity using the Wiedemann-Franz law is very useful.
机译：流体流动，传热，凝固或热致应力的数值模拟在钢铁加工行业中具有重要意义。随着足够的计算能力的出现，确定的物理方程式的全三维计算已成为可能。这些模拟技术的主要缺点是缺乏精确的热物理性质。通过快速脉冲加热技术，可以测量模拟所需的固体和液体材料的热物理数据。传热方程式的重要输入参数是热容量，熔融热，密度和导热率。由于几乎不可能测量液态合金的导热系数，因此使用Wiedemann-Franz定律根据电导率进行估算非常有用。

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