低能量大电流电子束暴露对 AM60 镁合金相组成和耐腐蚀性的影响

IF 1.1 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Physics of Metals and Metallography Pub Date : 2024-05-27 DOI:10.1134/s0031918x23603128

K. O. Akimov, K. V. Ivanov, M. G. Figurko

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引用次数: 0

摘要

摘要将 AM60（Al-5.5，Zn-0.2，Cu-0.009，Fe-0.005，Si-0.1，Ni-0.002，Mn-0.3 wt %，其余为 Mg）镁合金表面置于低能量大电流电子束中。辐照后，合金表层中的β相（Mg17Al12）含量减少，铝含量增加。经过电子束照射后，合金在 1 摩尔 NaCl 溶液中的耐腐蚀性与初始状态相比显著增加。暴露于电子束后合金耐腐蚀性增加的物理原因是铝含量增加导致合金表面形成的氧化膜具有更高的耐腐蚀性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Influence of Low-Energy High-Current Electron Beam Exposure on the Phase Composition and Corrosion Resistance of the AM60 Magnesium Alloy

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Influence of Low-Energy High-Current Electron Beam Exposure on the Phase Composition and Corrosion Resistance of the AM60 Magnesium Alloy

Abstract

The surface of an AM60 (Al—5.5, Zn—0.2, Cu—0.009, Fe—0.005, Si—0.1, Ni —0.002, Mn—0.3 wt %, Mg—the rest) magnesium alloy was exposed to a low-energy high-current electron beam. After the irradiation, the content of the β-phase (Mg₁₇Al₁₂) decreases and the aluminum content increases in the alloy surface layer. After the exposure to the electron beam, the corrosion resistance of the alloy in a 1-molar NaCl solution increases significantly compared to the initial state. The physical reason for an increase in the alloy corrosion resistance after exposure to the electron beam is the higher corrosion resistance of the oxide film formed on the alloy surface due to the increased aluminum content.

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来源期刊

Physics of Metals and Metallography 工程技术-冶金工程

CiteScore

2.00

自引率

25.00%

发文量

108

审稿时长

3 months

期刊介绍： The Physics of Metals and Metallography (Fizika metallov i metallovedenie) was founded in 1955 by the USSR Academy of Sciences. Its scientific profile involves the theory of metals and metal alloys, their electrical and magnetic properties, as well as their structure, phase transformations, and principal mechanical properties. The journal also publishes scientific reviews and papers written by experts involved in fundamental, application, and technological studies. The annual volume of publications amounts to some 250 papers submitted from 100 leading national scientific institutions.