ABSTRACT

Ti–0.3Mo–0.8Ni alloy has excellent corrosion resistance and is widely used in making crystallizers, heaters and evaporators for salt production, as well as chemical reactors and heat exchangers. To study the distribution of Mo in the Ti–0.3Mo–0.8Ni alloy during electron beam cold hearth melting, the solidification process has been numerically modelled and the calculations compared with experimental data. A distribution law similar to the calculated results is obtained, which verifies the reliability of the numerical modelling and provides theoretical guidance for the industrial production of Ti–0.3Mo–0.8Ni alloy. In addition, the experimental data indicates that the deviation of the Mo content in each end face and cross-section is within ±0.05%.

摘要

Ti-0.3Mo-0.8Ni合金具有优良的耐腐蚀性，广泛用于制盐的结晶器、加热器和蒸发器，以及化学反应器和热交换器。为了研究电子束冷床熔化过程中Ti-0.3Mo-0.8Ni合金中Mo的分布，对凝固过程进行了数值模拟，并将计算结果与实验数据进行了比较。得到了与计算结果相似的分布规律，验证了数值建模的可靠性，为Ti-0.3Mo-0.8Ni合金的工业化生产提供了理论指导。此外，实验数据表明，各端面和截面的Mo含量偏差在±0.05%以内。