Hydrogenation and the Formation of the Structure and Phase Composition of a VTI-4 Intermetallic Titanium Alloy after Hydrogen Alloying

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING

Russian Metallurgy (Metally) Pub Date : 2024-03-19 DOI:10.1134/S0036029523120303

O. Z. Pozhoga, A. V. Shalin, S. V. Skvortsova, A. V. Ovchinnikov, Yu. N. Kusakina

引用次数: 0

Abstract

The kinetics of hydrogenation of a two-phase deformed alloy based on the Ti₂AlNb intermetallic compound in a temperature range of 700–900°C and the effect of hydrogen content and heating temperature on the formation of phase composition and structure are studied. Active and uniform hydrogen absorption of the alloy is shown to occur at low hydrogenation annealing temperatures. As the temperature increases, the hydrogenation intensity is found to decrease, and the growth of O-phase plates by 2–4 times is observed, which results in a decrease in the microhardness of the alloy.

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氢化及氢合金化后 VTI-4 金属间钛合金结构和相组成的形成

研究了基于 Ti2AlNb 金属间化合物的两相变形合金在 700-900°C 温度范围内的氢化动力学，以及氢含量和加热温度对相组成和结构形成的影响。结果表明，在较低的析氢退火温度下，合金会出现活跃而均匀的吸氢现象。随着温度的升高，氢化强度降低，O 相板块增长了 2-4 倍，导致合金的显微硬度下降。

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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.