含氮量过平衡的低合金马氏体钢的显微组织、硬度和摩擦技术性能

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING

Russian Metallurgy (Metally) Pub Date : 2025-01-08 DOI:10.1134/S003602952470071X

A. V. Vostrikov, G. S. Seval’nev, I. O. Bannykh, I. I. Vlasov, D. N. Romanenko, K. V. Dul’nev

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引用次数: 0

摘要

在（Ac3 - 50）至（Ac3 + 250）°C的温度范围内淬火后，对氮含量过平衡的低合金钢样品进行金相学和摩擦学（在干滑动摩擦条件下）研究。金相分析表明，随着淬火温度的升高，晶粒尺寸增大，马氏体组织分散度减小。摩擦学研究结果表明，在（Ac3 + 100） ~ （Ac3 + 150）℃范围内淬火后，饱和碳、氮的奥氏体含量增加，摩擦系数降低，耐磨性提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Microstructure, Hardness, and Tribotechnical Properties of Low-Alloy Martensitic Steel with an Overequilibrium Nitrogen Content

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Microstructure, Hardness, and Tribotechnical Properties of Low-Alloy Martensitic Steel with an Overequilibrium Nitrogen Content

Metallographic and tribological (under dry sliding friction conditions) investigations of low-alloy steel samples with an overequilibrium nitrogen content are performed after quenching in the temperature range from (Ac₃ – 50) to (Ac₃ + 250)°C. Metallographic analysis demonstrates that, as the quenching temperature increases, the grain size increases and the dispersion of the martensitic structure decreases. The results of tribological studies demonstrate that, after quenching in the temperature range (Ac₃ + 100)–(Ac₃ + 150)°C, the content of austenite saturated with carbon and nitrogen increases, which leads to a decrease in the coefficient of friction and an increase in the wear resistance.

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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.