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首页> 外文期刊>Materials Science and Engineering >Effect of annealing on the mechanical properties of nano-copper reinforced open-cell aluminum foams
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Effect of annealing on the mechanical properties of nano-copper reinforced open-cell aluminum foams

机译：退火对纳米铜增强开孔铝泡沫力学性能的影响

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摘要

Hybrid metal foams can be created by reinforcing conventional open-cell aluminum (Al) foams with metals such as copper (Cu) and nickel (Ni) using electrodeposition. It has been demonstrated that hybrid foams can have an enhanced and controllable modulus, strength and energy absorption capacity. However, the low ductility of the nanocrystalline structured coating materials in hybrid foams may cause rupture and separation of the coating material and significantly reduce their energy absorption capacity. In this study, Al/Cu hybrid foams manufactured through electrodeposition were subjected to an annealing process and the effect of annealing temperature and time on their macro- and micro-level behavior under compression and tension was investigated using experimental and numerical methods. It was found that a proper amount of annealing can significantly enhance the energy absorption capacity of Al/Cu hybrid foams by increasing the coating ductility. However, excessive annealing will lead to formation of a wide zone of intermetallic compound at the Al/Cu interface and reduce the performance of Al/Cu hybrid foams.
机译：杂化金属泡沫可通过使用电沉积方法，用诸如铜（Cu）和镍（Ni）之类的金属增强传统的开孔铝泡沫来产生。已经证明，杂化泡沫可以具有增强的和可控制的模量，强度和能量吸收能力。然而，纳米泡沫结构涂料在混合泡沫中的低延展性可能导致涂料的破裂和分离，并显着降低其能量吸收能力。在这项研究中，对通过电沉积生产的Al / Cu杂化泡沫进行退火处理，并使用实验和数值方法研究了退火温度和时间对其在压缩和拉伸下宏观和微观行为的影响。发现适当的退火量可以通过增加涂层的延展性来显着提高Al / Cu杂化泡沫的能量吸收能力。但是，过度的退火将导致在Al / Cu界面形成宽范围的金属间化合物，并降低Al / Cu混合泡沫的性能。

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  • 来源
    《Materials Science and Engineering》 |2014年第8期|340-351|共12页
  • 作者

    Yi Sun; Rigoberto Burgueno; Wei Wang; Ilsoon Lee;

  • 作者单位

    Department of Civil and Environmental Engineering, Michigan State University, 428 S. Shaw Lane, East Lansing, MI, USA;

    Department of Civil and Environmental Engineering, Michigan State University, 428 S. Shaw Lane, East Lansing, MI, USA;

    Department of Chemical Engineering & Materials Science, Michigan State University, 428 S. Shaw Lane, East Lansing, MI, USA;

    Department of Chemical Engineering & Materials Science, Michigan State University, 428 S. Shaw Lane, East Lansing, MI, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Annealing; Ductility; Hybrid foams; Electrodeposition; Nanocrystalline; Open-cell foam;

    机译：退火;延展性混合泡沫;电沉积;纳米晶开孔泡沫;

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