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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application >Production and characterization of A5083-AI_2O_3-TiO_2 hybrid surface nanocomposite by friction stir processing
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Production and characterization of A5083-AI_2O_3-TiO_2 hybrid surface nanocomposite by friction stir processing

机译：搅拌摩擦法制备A5083-AI_2O_3-TiO_2杂化表面纳米复合材料及其表征

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摘要

In this study, the production and characterization of A5083-Al2O3-TiO2 hybrid surface nanocomposite by friction stir processing have been investigated. The effect of different ratios of nanosized Al2O3 and TiO2 particles on microstructural and mechanical properties was investigated. A threaded cylindrical hardened steel tool was used with the rotation speed of 500r/min and travel speed of 56mm/min and a tilt angle of 3 degrees. Microhardness of base metal and treated surfaces as well as tensile strength was evaluated. The samples were characterized by means of optical and scanning electron microscopy. The results showed that the maximum tensile strength and hardness value were achieved for a mixture of Al2O3 and TiO2 in the ratio of 25-75, respectively. The microhardness and tensile strength were respectively increased by 50% and 182% while ductility was reduced by 60%.
机译：本研究研究了摩擦搅拌法制备A5083-Al2O3-TiO2杂化表面纳米复合材料及其表征。研究了不同比例的纳米Al2O3和TiO2颗粒对显微组织和力学性能的影响。使用螺纹圆柱硬化钢工具，转速为500r / min，行进速度为56mm / min，倾斜角为3度。评价了贱金属和处理过的表面的显微硬度以及拉伸强度。样品通过光学和扫描电子显微镜表征。结果表明，比例为25-75的Al2O3和TiO2混合物达到了最大拉伸强度和硬度值。显微硬度和抗拉强度分别提高了50％和182％，而延展性降低了60％。

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