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Compressive behavior of closed-cell aluminum alloy foams at medium strain rates

机译:中等应变率下闭孔铝合金泡沫的压缩行为

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摘要

Compressive behavior of closed-cell aluminum alloy foams at strain rates of 10~(-3)-450 s~(-1) has been studied experimentally. The fully stress-strain curves of specimens at medium strain rates were obtained using the High Rate Instron Test System, which can maintain a constant loading rate. The experimental results show that plateau stress and energy absorption capacity are remarkable dependent on strain rate, while the densification strain has a negligible dependence.
机译:实验研究了闭孔铝合金泡沫在10〜(-3)-450 s〜(-1)应变速率下的压缩行为。使用高倍率Instron测试系统获得了中等应变速率下样品的全应力-应变曲线,该系统可以保持恒定的加载速率。实验结果表明,平台应力和能量吸收能力明显取决于应变速率,而致密化应变的依赖性可以忽略不计。

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  • 来源
    《Materials Science and Engineering》 |2011年第6期|p.2326-2330|共5页
  • 作者单位

    Institute of Applied Mechanics and Biomedkal Engineering, Taiyuan University ofTechnology, Taiyuan 030024, China;

    Faculty of Engineering and Industrial Sciences, Swinburne University ofTechnology, John Street, Hawthorn, VIC 3122, Australia;

    Faculty of Engineering and Industrial Sciences, Swinburne University ofTechnology, John Street, Hawthorn, VIC 3122, Australia,School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore;

    Institute of Applied Mechanics and Biomedkal Engineering, Taiyuan University ofTechnology, Taiyuan 030024, China;

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

    impact test; cellular materials; strain rate sensitivity; mechanical properties; energy absorption;

    机译:碰撞测试;蜂窝材料;应变率敏感性机械性能能量吸收;

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