Zro2纳米颗粒累积滚接增强1100-Al的力学性能和结构评价

A. Salimi, E. Borhani, E. Emadoddin
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引用次数: 22

摘要

采用累积滚接的方法,制备了不同体积百分比的纳米二氧化锆(ZrO2)增强铝金属复合材料。结果表明,经过10次ARB循环后,复合材料的微观结构在Al基体中表现出良好的ZrO2颗粒分布。x射线衍射结果还表明,经过10次ARB工艺,成功制备出平均晶粒尺寸为48.6 nm的Al/ZrO2纳米复合材料。根据本研究的结果,测定了0.50、0.75和1 vol.% ZrO2时Al/ZrO2复合材料的拉伸、硬度和延伸性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Mechanical Properties and Structure of 1100-Al Reinforced with Zro2 Nano-particles via Accumulatively Roll-bonded

In this study, aluminium metal composites reinforced with Zirconium dioxide (ZrO2) nano-particles in different of volume percentage are manufactured through accumulative roll bonding. The results indicate that with the application of 10 ARB cycles and the composite microstructure shows excellent ZrO2 particle distribution in the Al matrices. The X-ray diffraction results also showed that nanostructured Al/ZrO2 Nanocomposite with the average crystallite size of 48.6 nm was successfully achieved by employing 10 cycles of ARB process. According to the results of this study, the tensile, hardness, and elongation properties of the Al/ZrO2 composite are determined for 0.50, 0.75 and 1 vol.% ZrO2.

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