MODELING OF ANOMALOUS MECHANICAL PROPERTIES OF POLYURETHANE MODIFIED BY CARBON SINGLE-WALL NANOTUBES

E. R. Badamshina; Ya. I. Estrin; G. S. Kulagina; S. A. Lurie; () Yu. O. Solyaev

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MODELING OF ANOMALOUS MECHANICAL PROPERTIES OF POLYURETHANE MODIFIED BY CARBON SINGLE-WALL NANOTUBES

机译：碳单壁纳米管改性聚氨酯的异常力学性能建模

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The paper deals with modeling of an unusual dependence of the mechanical properties of poly-urethane-urea (PAU) cross-linked elastomer containing 10 vol.% polyamide-6 (polycaprolactame) of the concentration of nanomodifier-single-wall carbon nanotubes (CNT). This elastomer picks up unusual properties after introduction of an extremely small amount of CNT. A relatively small mass fraction of nanotubes in the composite changes from zero to 0.018%. Results of the experiment show that at a mass fraction of nanoinclusions of about 0.002% a substantial and clearly defined growth of practically all mechanical characteristics, including the elasticity modulus and limiting stresses, is observed. In this case, limiting deformations change slightly. In the work, the effect of anomalous variation of the Young modulus is modeled using the gradient model of interphase layer.

机译：本文涉及建模的非常规依赖关系的机械性能的聚氨酯-尿素（PAU）交联的弹性体包含10体积％聚酰胺-6（聚己内酰胺）的浓度的纳米改性剂-单壁碳纳米管（CNT））。引入极少量的CNT后，该弹性体具有异常的性能。复合物中纳米管的相对较小的质量分数从零变为0.018％。实验结果表明，在纳米夹杂物的质量分数约为0.002％时，观察到了几乎所有机械特性（包括弹性模量和极限应力）的明显增长。在这种情况下，极限变形会略有变化。在工作中，使用相间层的梯度模型来模拟杨氏模量异常变化的影响。

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来源
《International journal of nanomechanics science and technology》 |2011年第1期|p.71-83|共13页
作者
E. R. Badamshina; Ya. I. Estrin; G. S. Kulagina; S. A. Lurie; () Yu. O. Solyaev;
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作者单位

Institute of Problems of Chemical Physics, Russian Academy of Sciences,Chernogolovka, Russian;

Institute of Problems of Chemical Physics, Russian Academy of Sciences,Chernogolovka, Russian;

Institute of Problems of Chemical Physics, Russian Academy of Sciences,Chernogolovka, Russian;

Institute of Applied Mechanics, Russian Academy of Sciences,Moscow, Russian Federation,Dorodnit Computing Center, Russian Academy of Sciences,Moscow, Russian Federation;

Institute of Applied Mechanics, Russian Academy of Sciences,Moscow, Russian Federation;

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正文语种 eng
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experimental data; polyurethane; polyamide-6; modification; cnt; anomalous properties; elasticity modulus; gradient model; interphase layer;

机译：实验数据;聚氨酯聚酰胺6;修改;异常性质弹性模量梯度模型相间层;

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机译：通过添加单壁碳纳米管显着增强聚酰亚胺膜的机械和电学性能

MODELING OF ANOMALOUS MECHANICAL PROPERTIES OF POLYURETHANE MODIFIED BY CARBON SINGLE-WALL NANOTUBES

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