2219-T87搅拌摩擦焊接铝合金力学性能及抗点蚀性能研究

Q3 Engineering

International Journal of Vehicle Structures and Systems Pub Date : 2023-07-12 DOI:10.4273/ijvss.15.2.12

K. E. Femina, M. Koilraj

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引用次数: 0

摘要

采用搅拌摩擦焊接高强度AA2219-T87、铝铜合金6mm板。研究了焊接条件下的显微组织、显微硬度值、拉伸性能和腐蚀分析。焊接试样的搅拌区呈矩形形状，焊接区两侧各有一个焊流臂向焊板顶面移动。与焊核相比，2219基材中存在较大的CuAl2颗粒。与2219母材相比，2219 ~ 2219焊接区具有更好的点蚀性和一般耐腐蚀性。

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Study of Mechanical Behavior and Pitting Corrosion Resistance of Friction Stir Welded Aluminium Alloys 2219-T87

High strength AA2219-T87, Al-Cu alloy of 6mm plates were friction stir welded. Microstructures, micro hardness values, tensile properties and corrosion analysis were studied in the welded condition. The stirred region of the welded specimen looked like a rectangular shape, with a weld flow arm moving towards the top surface of the welded plates on each side of the welded region. Presence of CuAl2 particles found to be large in size in the base material of 2219 when compared to those in the weld nugget. The welded region 2219-2219 showed better pitting and general corrosive resistance compared to the 2219 parent metal.

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来源期刊

International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.