The Influence of the Structural-Phase State on Physical and Mechanical Characteristics of Fe-Mn Alloy

IF 2 4区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Physical Mesomechanics Pub Date : 2026-05-04 DOI:10.1134/S1029959925600065

O. V. Rybalchenko, N. S. Martynenko, G. V. Rybalchenko, E. A. Lukyanova, P. D. Dolzhenko, I. V. Shchetinin, S. V. Konushkin, P. A. Prokofev, K. S. Kravchuk, A. G. Raab, A. N. Belyakov, S. V. Dobatkin

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Abstract

The paper presents a study of various structural-phase states of the Fe-Mn-5Si alloy after severe plastic deformation by equal channel angular pressing and high-pressure torsion. Various physical and mechanical characteristics of the alloy were experimentally measured and analyzed in the austenitic coarse-grained, nanostructured grain-subgrain and twinned states, as well as in the predominantly martensitic and two-phase ultrafine-grained states. Indentation methods were used to find that severe plastic deformation increases the modulus of elasticity, the work of elastic deformation, and its elastic component, reducing the contact rigidity of the indenter with the deformed material and the work of plastic deformation. In this case, the alloy in the two-phase state after deformation has the lowest modulus of elasticity and work of plastic deformation at the highest work of elastic deformation.

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组织相态对Fe-Mn合金物理力学特性的影响

本文研究了Fe-Mn-5Si合金在等径角挤压和高压扭转下剧烈塑性变形后的各种组织相状态。实验测量和分析了合金在奥氏体粗晶态、纳米晶-亚晶态、孪晶态、马氏体为主态和两相超细晶态下的各种物理力学特性。采用压痕法发现，剧烈的塑性变形增加了弹性模量、弹性变形做功及其弹性分量，降低了压痕与变形材料的接触刚度和塑性变形做功。在这种情况下，变形后处于两相状态的合金具有最低的弹性模量和最高的弹性变形功的塑性变形功。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Mesomechanics Materials Science-General Materials Science

CiteScore

3.50

自引率

18.80%

发文量

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related in the physical mesomechanics and also solid-state physics, mechanics, materials science, geodynamics, non-destructive testing and in a large number of other fields where the physical mesomechanics may be used extensively. Papers dealing with the processing, characterization, structure and physical properties and computational aspects of the mesomechanics of heterogeneous media, fracture mesomechanics, physical mesomechanics of materials, mesomechanics applications for geodynamics and tectonics, mesomechanics of smart materials and materials for electronics, non-destructive testing are viewed as suitable for publication.