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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Friction stir processing of Al-CNT composites
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Friction stir processing of Al-CNT composites

机译：Al-CNT复合材料的搅拌摩擦加工

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摘要

Friction stir processing (FSP) is a solid-state process with the ability to refine grain sizes and uniformly disperse particles to improve the mechanical properties of the base material. In this study, FSP was performed on AA6061-T6 with and without additions of multi-walled CNTs. For FSP on monolithic Al plates, dendrites were broken down and dispersed uniformly with the increase in number of passes. As for FSP of Al-CNT composites, the CNTs have been successfully dispersed with three FSP passes. Dispersion is more uniform with increasing number of passes. The Vickers hardness and tensile yield strength were found to have improved after performing FSP with the addition of CNT as compared to FSP of AA6061-T6 without CNT.
机译：搅拌摩擦加工（FSP）是一种固态工艺，具有细化晶粒尺寸和均匀分散颗粒以改善基材机械性能的能力。在这项研究中，在有或没有添加多壁CNT的情况下，在AA6061-T6上进行了FSP。对于整体式Al板上的FSP，随着通过次数的增加，树枝状晶体被分解并均匀分散。对于Al-CNT复合材料的FSP，已成功通过三遍FSP分散了CNT。随着通过次数的增加，分散更加均匀。与没有CNT的AA6061-T6的FSP相比，发现在添加了CNT的FSP之后，维氏硬度和拉伸屈服强度得到了改善。

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