Structural features and properties of nickel coating–steel substrate composition after laser irradiation

IF 0.8 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metallurgist Pub Date : 2025-02-18 DOI:10.1007/s11015-025-01868-w

Galina I. Brover, Elena E. Shcherbakova

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Abstract

This study presents the metallophysical analysis of the structural features and properties of chemical nickel coatings on steels subjected to extreme thermal effects of laser radiation. It is shown that thermostrictive stresses, estimated at 320 MPa, drive the structure formation processes in nickel coating–metal substrate compositions during irradiation. The iron–nickel phase diagram and temperature field model suggest that contact melting occurs in the transition zone between the coating and the steel substrate. Laser processing at a power density of 120 MW/m² increases the adhesion strength of the nickel coating to the substrate due to contact melting in the transition zone. Laser processing promotes the formation of a thin transition layer (1.6 μm) consisting of solid iron and nickel solutions. An analysis of the properties of irradiated nickel coating–steel substrate compositions leads to the conclusion that laser processing guarantees the serviceability of irradiated steel products with nickel coatings.

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激光照射后镍涂层-钢基板成分的结构特征和性能

本研究对受到激光辐射极端热影响的钢材上的化学镍涂层的结构特征和性能进行了金相物理分析。研究表明，在辐照过程中，热致伸缩应力（估计为 320 兆帕）驱动了镍涂层-金属基体成分的结构形成过程。铁-镍相图和温度场模型表明，接触熔化发生在涂层和钢基体之间的过渡区。功率密度为 120 MW/m2 的激光加工可提高镍涂层与基材的附着强度，原因是过渡区发生了接触熔化。激光加工促进了由固体铁和镍溶液组成的薄过渡层（1.6 μm）的形成。通过分析辐照镍涂层-钢基体成分的特性，可以得出结论：激光加工可确保辐照镍涂层钢产品的适用性。

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来源期刊

Metallurgist 工程技术-冶金工程

CiteScore

1.50

自引率

44.40%

发文量

151

审稿时长

4-8 weeks

期刊介绍： Metallurgist is the leading Russian journal in metallurgy. Publication started in 1956. Basic topics covered include: State of the art and development of enterprises in ferrous and nonferrous metallurgy and mining; Metallurgy of ferrous, nonferrous, rare, and precious metals; Metallurgical equipment; Automation and control; Protection of labor; Protection of the environment; Resources and energy saving; Quality and certification; History of metallurgy; Inventions (patents).