Evolution of surface structural state and properties of TiNi-based alloy after electron-beam treatment

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

Metallurgist Pub Date : 2025-02-18 DOI:10.1007/s11015-025-01864-0

N. V. Artyukhova, S. G. Anikeev, M. I. Kaftaranova, V. N. Khodorenko, E. A. Bolshevich, S. A. Pakholkina

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Abstract

The study shows the effect of electron-beam treatment on the surface structural state and properties of a monolithic TiNi-based alloy. Initial monolithic TiNi alloy plates with a surface oxide layer were obtained by vacuum induction melting and subsequent rolling of ingots. Electron-beam treatment of the samples was carried out at an energy density of 3.5 and 4.5 J/cm², and a pulse count was 15. The structural and phase composition of the plate surface before and after the electron-beam treatment were studied using X‑ray diffraction analysis, optical and scanning microscopy, and interference profilometry. The wettability parameters were determined using a droplet shape analyzer based on the contact angle value. The roughness parameters were also assessed. It has been established that the exposure to electron-beam treatment changes the structure and phase composition by increasing its homogeneity. Increased electron energy during electron-beam treatment makes it possible to reduce the surface roughness parameters, leading to an increase in the contact angle of wetting. The characteristic temperatures of martensitic transformations remain practically unchanged.

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电子束处理后钛镍基合金表面结构状态和性能的演变

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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).