Simulation of the VT3-1 Alloy Ingot Solidification during VAR

被引：5
|
作者：
Kondrashov E.N. [1 ]
Leder M.O. [1 ]
Maksimov A.Y. [1 ]
机构：
[1] PAO VSMPO-AVISMA Corporation, Moscow
来源：
Russian Metallurgy (Metally) | 2018年 / 2018卷 / 12期
关键词：
mathematical simulation; titanium alloys; vacuum arc remelting;
D O I：
10.1134/S003602951812008X
中图分类号：
学科分类号：
摘要：
Abstract: A thermal model is developed for the ingot solidification during vacuum arc remelting (VAR) and is applied to calculate pool profiles for a VT3-1 alloy. The pool profiles are calculated for two remelting schedules, and the calculation results are compared with radiography data. The model calculation results are shown to agree satisfactorily with experimental data. The model is used in practice to develop conditions for the final remelting of a VT3-1 alloy to exclude the formation of segregation defects, namely, β flakes and macrosegregation. The developed model can be used for technological calculations and can give important information on the dynamics of VAR ingot solidification. © 2018, Pleiades Publishing, Ltd.
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收藏
页码：1114 / 1120
页数：6
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