Mode I and Mode II fracture energy of MWCNT reinforced nanofibrilmats interleaved carbon/epoxy laminates

被引：106
作者：
Hamer, Shay [1 ,2 ]
Leibovich, Herman [2 ]
Green, Anthony [2 ]
Avrahami, Ron [3 ]
Zussman, Eyal [3 ]
Siegmann, Arnon [1 ]
Sherman, Dov [1 ]
机构：
[1] Technion Israel Inst Technol, Dept Mat Sci & Engn, IL-32000 Haifa, Israel
[2] Israel Aerosp Ind Ltd, Engn & Dev Grp, Mat Engn &Technol Dev, IL-70100 Lod, Israel
[3] Technion Israel Inst Technol, Dept Mech Engn, IL-32000 Haifa, Israel
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 90卷
关键词：
Laminate; Carbon nanotubes; Hybrid composites; Interface; Fracture; DELAMINATION TOUGHNESS; POLYMER NANOFIBERS; IMPACT PROPERTIES; COMPOSITES; BEHAVIOR; NANOCOMPOSITES; DISPERSION; NANOTUBES;
D O I：
10.1016/j.compscitech.2013.10.013
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Laboratory scale carbon/epoxy laminates were interleaved with electrospun Nylon 66 nanofibrilmat reinforced with multi wall carbon nanotubes (MWCNTs). The effect of the MWCNTs on the fracture energy was evaluated under Mode I and Mode II loading. It is shown that while nanofibrilmat interleaving resulted in a 3 times increase of the Mode I fracture energy compared to the non-interleaved laminates and the MWCNT reinforced nanofibrilmat interleaving resulted in a 4 times increase. Evaluation of the Mode II fracture energy indicated a 40% increase as a result of nanofibrilmats interleaving, while MWCNT reinforced nanofibrilmat interleaving resulted in a 60% increase. Mechanisms for the fracture energy increase of the MWCNT reinforced nanofibrilmats are suggested based on the test data and fractographic study of post-test specimen surfaces. (C) 2013 Elsevier Ltd. All rights reserved.
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收藏
页码：48 / 56
页数：9
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