Volume and Surface Properties of Tin-Containing Nickel Melts

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING
K. S. Filippov, S. N. Anuchkin, A. A. Aleksandrov
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引用次数: 0

Abstract

The effect of impurities on the structural and physicochemical properties of melts is considered in order to improve the service properties of cast high-temperature alloys. The changes in the state of nickel melts depending on the tin impurity content and the temperature are studied using the parameters of such structurally sensitive properties as density and surface tension. When the tin content in nickel melts increases to several hundredths of a percent, their density and compression effect are found to increase; however, a further increase in the tin content to 0.6 wt % is accompanied by a significant decrease in these properties. A stable nickel-based cluster solution is shown to form when the density and the surface tension increase at 0.02 wt % tin. When the temperature increases to 1650°C, the properties of the melts are characterized by a slight decrease in the surface tension and the density at a retained type of dependences.

Abstract Image

含锡镍熔体的体积和表面特性
为了改善铸造高温合金的使用性能,我们考虑了杂质对熔体结构和物理化学性能的影响。利用密度和表面张力等结构敏感特性参数,研究了锡杂质含量和温度对镍熔体状态的影响。当镍熔体中的锡含量增加到几百分之一时,其密度和压缩效应会增加;然而,当锡含量进一步增加到 0.6 wt % 时,这些特性会显著降低。当锡的密度和表面张力增加到 0.02 wt % 时,就会形成稳定的镍基团簇溶液。当温度升高到 1650°C 时,熔体的特性表现为表面张力和密度略有下降,但相关性保持不变。
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来源期刊
Russian Metallurgy (Metally)
Russian Metallurgy (Metally) METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
0.70
自引率
25.00%
发文量
140
期刊介绍: Russian Metallurgy (Metally)  publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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