合金塑性变形过程中相的变形溶解机理及过饱和固溶体问题

IF 0.7 4区化学 Q4 CHEMISTRY, PHYSICAL

Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI:10.1134/S0036024425700530

L. S. Vasil’ev, I. L. Lomaev, S. L. Lomaev

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引用次数: 0

摘要

利用数学模型建立了纳米晶二元取代合金平衡结构-相态图的解析形式。结果表明，伴随二次相完全溶解的多相纳米晶合金塑性变形最可能的结果是产生具有不同杂质原子饱和度的化学非均质平衡单相固溶体。纳米晶合金单相态的化学不均匀性是由于晶间边界在样品体积中产生了不均匀的电磁场和变形源。

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Mechanisms of the Deformation Dissolution of Phases and the Problem of Supersaturated Solid Solutions Obtained during the Plastic Deformation of Alloys

Mathematical modeling is used to create an analytical form of the diagram of equilibrium structural-phase states of nanocrystalline binary substitution alloys. It is shown that the most likely result from the plastic deformation of multiphase nanocrystalline alloys accompanied by the complete dissolution of secondary phases is the production of chemically heterogeneous equilibrium single-phase solid solutions with varying degrees of impurity atom saturation. Chemical inhomogeneities in the single-phase states of nanocrystalline alloys arise because intercrystalline boundaries generate inhomogeneous fields of electromagnetic and deformation origin in the volume of a sample.

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.