镁合金搅拌摩擦焊的腐蚀与防护

IF 2.3 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Anti-corrosion Methods and Materials Pub Date : 2023-12-12 DOI:10.1108/acmm-07-2023-2853

Ziru Zhou, Songlin Zheng, Jiahuan Chen, Ting Zhang, Zhen He, Yuxin Wang

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引用次数: 0

摘要

目的镁合金的高比强度使其在航空航天、军事、汽车、海洋和建筑行业有着广泛的应用。然而，镁合金较差的耐腐蚀性和可焊性限制了其发展和应用。搅拌摩擦焊（FSW）可以有效避免熔化焊的缺陷。然而，不同地区镁合金 FSW 接头的微观结构、机械性能和腐蚀行为各不相同。本文旨在回顾镁合金 FSW 接头的腐蚀情况，并总结焊接接头的保护技术。设计/方法/途径镁合金 FSW 接头的腐蚀包括电化学腐蚀和应力腐蚀。本文总结了镁合金 FSW 接头的腐蚀防护技术，重点关注成分、微观结构变化和表面处理方法。研究结果目前，这项研究主要集中在通过改变成分、结构改性和表面涂层技术来增强镁合金 FSW 接头的耐腐蚀性。通过调整焊接工艺参数可实现晶粒细化，进而将第二相对合金耐腐蚀性的影响降至最低。原创性/价值本文全面综述了镁合金 FSW 接头的腐蚀和保护问题，涵盖了最新的研究进展和实际应用。其目的是让研究人员更好地了解该领域，并激发对该主题的新研究。

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Corrosion and protection of friction stir welding of magnesium alloy

Purpose

The high specific strength makes magnesium alloys have a wide range of applications in aerospace, military, automotive, marine and construction industries. However, its poor corrosion resistance and weldability have limited its development and application. Friction stir welding (FSW) can effectively avoid the defects of fusion welding. However, the microstructure, mechanical properties and corrosion behavior of FSW joints in magnesium alloys vary among different regions. The purpose of this paper is to review the corrosion of magnesium alloy FSW joints, and to summarize the protection technology of welded joints.

Design/methodology/approach

The corrosion of magnesium alloy FSW joints includes electrochemical corrosion and stress corrosion. This paper summarizes corrosion protection techniques for magnesium alloys FSW joints, focusing on composition, microstructure changes and surface treatment methods.

Findings

Currently, this research is mainly focused on enhancing the corrosion resistance of magnesium alloy FSW joints by changing compositions, structural modifications and surface coating technologies. Refinement of the grains can be achieved by adjusting welding process parameters, which in turn minimizes the effects of the second phase on the alloy’s corrosion resistance.

Originality/value

This paper presents a comprehensive review on the corrosion and protection of magnesium alloys FSW joints, covering the latest research advancements and practical applications. It aims to equip researchers with a better insight into the field and inspire new studies on this topic.

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来源期刊

Anti-corrosion Methods and Materials 工程技术-冶金工程

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

13.5 months

期刊介绍： Anti-Corrosion Methods and Materials publishes a broad coverage of the materials and techniques employed in corrosion prevention. Coverage is essentially of a practical nature and designed to be of material benefit to those working in the field. Proven applications are covered together with company news and new product information. Anti-Corrosion Methods and Materials now also includes research articles that reflect the most interesting and strategically important research and development activities from around the world. Every year, industry pays a massive and rising cost for its corrosion problems. Research and development into new materials, processes and initiatives to combat this loss is increasing, and new findings are constantly coming to light which can help to beat corrosion problems throughout industry. This journal uniquely focuses on these exciting developments to make essential reading for anyone aiming to regain profits lost through corrosion difficulties. • New methods, materials and software • New developments in research and industry • Stainless steels • Protection of structural steelwork • Industry update, conference news, dates and events • Environmental issues • Health & safety, including EC regulations • Corrosion monitoring and plant health assessment • The latest equipment and processes • Corrosion cost and corrosion risk management.