Structure and Mechanical Properties of Ti–10Nb–(1–3)Mo Alloy Ingots

IF 0.3 Q4 METALLURGY & METALLURGICAL ENGINEERING Russian Metallurgy (Metally) Pub Date : 2025-03-14 DOI:10.1134/S0036029524702586

S. V. Konushkin, M. A. Kaplan, A. S. Baikin, K. V. Sergienko, A. D. Gorbenko, Ya. A. Morozova, S. A. Mikhlik, B. A. Rumyantsev, A. Yu. Ivannikov, N. P. Leonova, E. E. Baranov, M. A. Volchikhina, A. G. Kolmakov, M. A. Sevost’yanov

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Abstract—Production technology of an Ti–10Nb–(1–3)Mo alloy has been developed. The effect of heat treatment conditions on the structure, microhardness, and impurity composition of ingots is studied. The optimum conditions of homogenizing annealing (950°C for 12 h), which results in leveling the chemical composition and the formation of completely recrystallized structure, are determined. After annealing, an increase in the microhardness and the homogeneous chemical element distribution over the entire volume takes place. After melting, the alloys comprise the α'/α"- and β-Ti phases; after annealing, the α-, β-, and ω‑Ti phases are present. The oxygen, nitrogen, and carbon contents correspond to regulations for titanium alloys. According to fractional gas analysis (FGA) data, the titanium oxide content dominates over the niobium and molybdenum oxide contents.

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Ti-10Nb - (1-3)Mo合金铸锭的组织与力学性能

摘要：研究了Ti-10Nb - (1-3)Mo合金的生产工艺。研究了热处理条件对铸锭组织、显微硬度和杂质成分的影响。确定了均匀化退火（950℃，12 h）的最佳条件，使化学成分均匀化，形成完全再结晶的结构。退火后，显微硬度增加，化学元素在整个体积上分布均匀。合金熔化后由α′/α”-相和β-Ti相组成；退火后，存在α-、β-和ω - Ti相。氧、氮和碳的含量符合钛合金的规定。根据分数气体分析（FGA）数据，氧化钛含量高于氧化铌和氧化钼含量。

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来源期刊

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.