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xueshanfei

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[交流] nature上得最新碳纳米管文章:Carbon Nanotubes with^ 已有9人参与

abstractViscoelasticity describes the ability of a material to possess both elasticity and viscosity. Viscoelastic materials, such as rubbers, possess a limited operational temperature range (for example, for silicone rubber it is -55 degrees to 300 degrees C), above which the material breaks down and below which the material undergoes a glass transition and hardens. We created a viscoelastic material composed from a random network of long interconnected carbon nanotubes that exhibited an operational temperature range from -196 degrees to 1000 degrees C. The storage and loss moduli, frequency stability, reversible deformation level, and fatigue resistance were invariant from -140 degrees to 600 degrees C. We interpret that the thermal stability stems from energy dissipation through the zipping and unzipping of carbon nanotubes at contacts.
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2楼2011-12-16 20:38:27
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qumeili

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好久没看nature上的文章了,进来学习一下
努力学习
3楼2011-12-17 11:31:25
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shawpion

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楼主搞错了  是Science的文章哦 而非 nature
4楼2011-12-18 16:24:45
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5楼2011-12-18 20:23:12
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送鲜花一朵
6楼2011-12-18 20:53:39
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wolfyloner

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1000 degrees C............
Ask Me Anything About EPOXY...
7楼2011-12-18 21:06:55
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uestcat

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刚查了一下,是SCIENCE 2010年的paper

Carbon Nanotubes with Temperature-Invariant Viscoelasticity from 196° to 1000°C
Ming Xu, et al.
Science 330, 1364 (2010); DOI: 10.1126/science.1194865
Protonconductingceramicelectrolyteforlowtemperaturesolidoxidefuelcells
8楼2011-12-18 21:43:52
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javas2010

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-140~600 ° 的可逆变形,抗疲劳强度的使用范围,这材料做得 NICE !
含泪播种的人一定能含笑收获!
9楼2011-12-18 21:52:57
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10楼2012-07-01 20:34:43
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