Synchrotron X-ray diffraction of phase evolution in Fe–Cr–Al/Zr system during pulsed electron-beam processing

IF 0.4 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY Russian Physics Journal Pub Date : 2025-01-09 DOI:10.1007/s11182-024-03346-3
E. V. Yakovlev, A. B. Markov, V. I. Petrov, E. A. Pesterev, A. V. Solovyov
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Abstract

For the first time, the synchrotron X‑ray diffraction is used to study the phase evolution in the Fe-Cr-Al(film)/Zr(substrate) system during its low-energy high-current electron beam (LEHCEB) processing. It is found that surface layer undergoes successive phase transformations with increasing number of pulses and the energy density of LEHCEB. Initially, only Fe-Cr-Al film melting occurs. Next, the gradual film dissolution and the amorphous Fe-Cr-Al-Zr phase formation takes place, followed by the nucleation and growth of FeZr2 intermetallic compound. And finally, the formation the β‑Zr solid solution phase occurs. During the interruption of the LEHCEB process at different stages, it is possible to achieve desired phase composition and surface layer properties.

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该研究首次利用同步辐射 X 射线衍射法研究了低能量大电流电子束(LEHCEB)加工过程中铁-铬-铝(薄膜)/锌(基片)体系的相变。研究发现,随着脉冲数和 LEHCEB 能量密度的增加,表层会发生连续的相变。最初,只有铁-铬-铝薄膜发生熔化。接着,薄膜逐渐溶解,形成无定形的 Fe-Cr-Al-Zr 相,然后是 FeZr2 金属间化合物的成核和生长。最后,形成 β-Zr 固溶相。在 LEHCEB 工艺的不同阶段中断过程中,可以获得所需的相组成和表面层特性。
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来源期刊
Russian Physics Journal
Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.00
自引率
50.00%
发文量
208
审稿时长
3-6 weeks
期刊介绍: Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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