钼电子束包层对铬镍奥氏体钢 12Kh18N9T 表面层耐热性和耐磨性的影响

IF 0.6 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metal Science and Heat Treatment Pub Date : 2024-02-17 DOI:10.1007/s11041-024-00981-y

E. A. Pukhova, E. G. Byshueva, E. V. Domarov, B. B. Batyrov, V. G. Burov

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引用次数: 0

摘要

研究了通过真空电子束堆焊粉末混合物形成的 12Kh18N9T 钢坯表面层的结构和特性。主要合金成分是钼，含量为 40%。使用光学显微镜、电子显微镜和 X 射线衍射仪进行了结构和相位研究。测定了沉积层的显微硬度和耐磨性。硬化表层的结构显示含有 Mo0.08Fe0.92、Mo0.9Fe0.1、Mo0.1Fe0.9、α-Fe 和 γ-Fe 相。钼合金可将钢的耐磨性提高 1.8 倍，耐热性提高 6.7 倍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of Molybdenum Electron-Beam Cladding on the Heat and Wear Resistances of Surface Layers of Chromium-Nickel Austenitic Steel 12Kh18N9T

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Effect of Molybdenum Electron-Beam Cladding on the Heat and Wear Resistances of Surface Layers of Chromium-Nickel Austenitic Steel 12Kh18N9T

The structure and properties of surface layers of billets from steel 12Kh18N9T formed by vacuum electron beam surfacing of powder mixtures are studied. The main alloying component is molybdenum in an amount of 40 wt.%. The structural and phase studies are made using optical and electron microscopes and an x-ray diffractometer. The microhardness and the wear resistance of the deposited layers are determined. The structure of the hardened surface layer is shown to contain phases Mo_0.08Fe_0.92, Mo_0.9Fe_0.1, Mo_0.1Fe_0.9, α-Fe and γ-Fe. The alloying with molybdenum raises the wear resistance of the steel by a factor of 1.8 and the heat resistance by a factor of 6.7.

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来源期刊

Metal Science and Heat Treatment 工程技术-冶金工程

CiteScore

1.20

自引率

16.70%

发文量

102

审稿时长

4-8 weeks

期刊介绍： Metal Science and Heat Treatment presents new fundamental and practical research in physical metallurgy, heat treatment equipment, and surface engineering. Topics covered include: New structural, high temperature, tool and precision steels; Cold-resistant, corrosion-resistant and radiation-resistant steels; Steels with rapid decline of induced properties; Alloys with shape memory effect; Bulk-amorphyzable metal alloys; Microcrystalline alloys; Nano materials and foam materials for medical use.