Refining microstructure and improving mechanical-corrosion properties of high Zn containing single β-phase Mg-Li alloy via friction stir processing

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-05-30 DOI:10.1016/j.matlet.2025.138858

Yingxin Geng , Mengran Zhou , Yixing Zhu , Tongzheng Xin , Song Tang , Zhuoran Zeng , Gaoqiang Chen , Ruizhi Wu , Qingyu Shi

引用次数: 0

Abstract

In this study, a β-phase Mg-14Li-22Zn alloy with high Zn content was fabricated via friction stir processing, demonstrating great potential for high-performance lightweight applications. The influence of tool rotation speed on microstructure evolution, mechanical properties, and corrosion behavior was investigated. Notably, significant improvements in compressive strength, work-hardening rate, and corrosion resistance were achieved, particularly at a tool rotation speed of 400 rpm, due to the uniform dispersion of MgZn₂ and MgLi₂Zn phases within the fine-grained microstructure.

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采用搅拌摩擦法制备高锌单相Mg-Li合金，改善其显微组织和机械腐蚀性能

本研究通过搅拌摩擦法制备了一种高锌含量的β相Mg-14Li-22Zn合金，在高性能轻量化应用方面具有很大的潜力。研究了刀具转速对合金组织演变、力学性能和腐蚀行为的影响。值得注意的是，由于MgZn2和MgLi2Zn相在细晶组织内均匀分散，在抗压强度、加工硬化率和耐腐蚀性方面取得了显着提高，特别是在刀具转速为400 rpm时。

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

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive