Graphene-Reinforced Aluminum Hybrid Foam: Response to High Strain Rate Deformation

Das Sourav; Khanna Sanjeev; Mondal D. P.

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Graphene-Reinforced Aluminum Hybrid Foam: Response to High Strain Rate Deformation

机译：石墨烯增强铝合金泡沫：对高应变速率变形的反应

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The compressive deformation behavior of 0.5wt.% graphene-reinforced aluminum-SiC hybrid composite foam under dynamic loading over strain rates of 500-2760s(-1) was studied using a split-Hopkinson pressure bar unit. It was found that under the dynamic loading, the plateau stress and energy absorption of aluminum hybrid foam increased with strain rate. On the other hand, the densification strain did vary only marginally with strain rate. Further, it was noted that the foam with lower relative density was more sensitive to strain rate. The lighter foams exhibited higher plateau stress and energy absorption as compared to the heavier ones. The plateau stress and energy absorption were enhanced marginally with relative density. Present results showed that the plateau stress is sensitive to strain rate and less sensitive to relative density. The coefficient, in scaling relation to predict compressive plateau stress, was in the range of 0.2-0.5 for strain rates 500-2760s(-1).

机译：采用分流霍普金森压力杆单元研究了0.5wt的压缩变形行为0.5wt。在动态负载下的动态负载下的铝 - 杂交杂交复合泡沫（-1）。发现在动态负载下，铝杂交泡沫的平台应力和能量吸收随菌株的增加。另一方面，致密化菌株确实与应变速率略微差异。此外，注意到具有较低相对密度的泡沫对应变速率更敏感。与较重的泡沫相比，更轻的泡沫表现出更高的平台应力和能量吸收。高原应力和能量吸收以相对密度略微增强。目前的结果表明，平台应力对应变速率敏感，对相对密度较少敏感。在缩放关系中以预测压缩高原应力的系数为0.2-0.5的应变率500-2760s（-1）。

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《Journal of Materials Engineering and Performance》 |2019年第1期|共9页
作者
Das Sourav; Khanna Sanjeev; Mondal D. P.;
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作者单位

Univ Missouri Dept Mech &

Aerosp Engn Columbia MO 65211 USA;

Univ Missouri Dept Mech &

Aerosp Engn Columbia MO 65211 USA;

CSIR AMPRI Adv Mat &

Proc Res Inst Bhopal 462026 Madhya Pradesh India;

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正文语种 eng
中图分类金属学与金属工艺;工程材料学;
关键词
dynamic compression; energy absorption; graphene-reinforced aluminum-SiC foam; split-Hopkinson pressure bar; strain rate sensitivity;

机译：动态压缩;能量吸收;石墨烯增强铝制泡沫;分离式霍普金森压力棒;应变率灵敏度;

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2. AA7150铝合金高应变速率热变形过程中显微组织动态演变表征 [J] . 蒋福林, 张辉, 翁舒楚, 中国有色金属学报：英文版 . 2016,第001期
3. Graphene-Reinforced Aluminum Hybrid Foam: Response to High Strain Rate Deformation [J] . Das Sourav, Khanna Sanjeev, Mondal D. P. Journal of Materials Engineering and Performance . 2019,第1期

机译：石墨烯增强铝合金泡沫：对高应变速率变形的反应
4. Compressive Deformation Behavior of Highly Porous AA2014-Cenosphere Closed Cell Hybrid Foam Prepared Using CaH2 as Foaming Agent: Comparison with Aluminum Foam and Syntactic Foam [J] . Birla Shyam, Mondal D. P., Das S., Transactions of the Indian Institute of Metals . 2017,第7期

机译：高孔AA2014-CENOSE闭孔杂交泡沫的压缩变形行为使用CAH2作为发泡剂制备的杂交泡沫：与铝泡沫和句法泡沫的比较
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机译：应变速率和相对密度对铝空心球复合泡沫压缩变形行为的影响
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机译：ERG航空铝泡沫的高速单轴应变响应
7. Graphene-SiC Particle Reinforced Aluminum Alloy Composite Foam: Response to High Strain Rate Deformation [D] . Das, Sourav. 2016

机译：石墨烯-SiC颗粒增强铝合金复合泡沫：对高应变率变形的反应
8. Impact of high strain rate deformation on the mechanical behavior fracture mechanisms and anisotropic response of 2060 Al-Cu-Li alloy [O] . Ali Abd El-Aty, Yong Xu, Shi-Hong Zhang, 2019

机译：高应变率变形对2060 Al-Cu-Li合金力学行为断裂机理和各向异性响应的影响
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10. Plastic Deformation of Metals at High Strain Rates. Part I. The Effects of Temperature on the Static and Dynamic Stress-Strain Characteristics in Torsion of 1100-0Aluminum. [R] . eleiche, a. m. duffy, j. 1974

机译：高应变率下金属的塑性变形。第一部分温度对1100-0铝合金扭转静态和动态应力 - 应变特性的影响。

Graphene-Reinforced Aluminum Hybrid Foam: Response to High Strain Rate Deformation

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