钛-26铌合金生产技术

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING Russian Metallurgy (Metally) Pub Date : 2024-03-19 DOI:10.1134/S0036029523120145
S. V. Konushkin, A. A. Kirsankin, A. V. Mikhailova, B. A. Rumyantsev, A. S. Luk’yanov, M. A. Kaplan, A. D. Gorbenko, K. V. Sergienko, E. O. Nasakina, A. G. Kolmakov, M. A. Sevost’yanov
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引用次数: 0

摘要

开发了一种生产 Ti-26Nb 合金的技术。研究了热处理条件对铸锭结构、相和化学成分的影响。找到了最佳的均匀退火条件(900°C,12 小时),从而形成了完全再结晶的结构。熔化后,合金由 66.5 Vol % βm-Ti 和 33.5 Vol % α'-Ti 的混合物组成,分别具有 bcc 和正方晶格。退火后,相组成变为连续的 β 相,并伴有微量的 ω 相,从而提高了合金的显微硬度。退火后,在整个体积中观察到化学元素的均匀分布。氧、氮、碳和硫含量符合钛合金的标准规格。
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Technology for Production of a Ti–26Nb Alloy

A technology for producing a Ti–26Nb alloy is developed. The effect of heat treatment conditions on the structure and the phase and chemical compositions of ingots is studied. Optimum homogenizing annealing conditions (900°C, 12 h) are found, which leads to the formation of a completely recrystallized structure. After melting, the alloy is found to be represented by a mixture of 66.5 vol % βm-Ti and 33.5 vol % α'-Ti with the bcc and orthorhombic crystal lattices, respectively. After annealing, the phase composition is shown to change to the continuous β phase with traces of the ω phase, which increases the microhardness of the alloy. After annealing, a homogeneous distribution of chemical elements over the entire volume is observed. The oxygen, nitrogen, carbon, and sulfur contents correspond to standard specifications for titanium alloys.

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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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