焊接参数对AA5052搅拌摩擦焊在海洋环境中摩擦腐蚀行为的影响

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-05-15 DOI:10.1016/j.triboint.2025.110808

G S Anantharam , Kunal Bhalchandra Bhole , Basil Kuriachen , Shashi Bhushan Arya

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引用次数: 0

摘要

该研究包括对FSW-AA5052在800、1000和1200 rpm的刀具速度和60、80和100 mm/min的焊接速度下形成的摩擦腐蚀试验，并结合开路电位和动态电位极化技术进行了Pin-on-disc试验。对微结构进行了光学成像和XRD分析。结果显示铸型(−1.212 V；332.43 μm/年),800 rpm(−1.213 V；433.51 μm/year)和1000 rpm(-1.236 V；227.45μm/year)焊接试样的性能优于所有1200 rpm焊接试样。800 rpm （CoF-1.28）和1000 rpm （CoF-1.32）样品的钝化均匀稳定，摩擦特性优于其他样品。元素分析表明，磨损表面形成了铝和镁的氧化物和氯化物。

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Influence of weld parameters on the tribocorrosion behaviour of friction stir welded AA5052 in the marine environment

The study involves tribocorrosive investigation of FSW-AA5052 formed at tool-speeds of 800, 1000, and 1200 rpm and welding-speeds of 60, 80, and 100 mm/min, for which Pin-on-disc tests in conjunction with open-circuit-potential and potentiodynamic-polarization techniques were utilised. For microstructures EBSD, Optical images and XRD were taken. Results revealed that cast (−1.212 V; 332.43 μm/year), 800 rpm (−1.213 V; 433.51 μm/year) and 1000 rpm (-1.236 V; 227.45μm/year) welded samples showed better performance than all the 1200 rpm welded samples. Frictional characteristics of 800 rpm (CoF-1.28) and 1000 rpm (CoF-1.32) samples were better than other samples due to uniform and stable passivation. Elemental analysis showed Oxides and Chlorides of Al and Mg formed over the worn surfaces.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.