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	Hierarchical agglomerates of carbon nanotubes as high-pressure cushions
	Yi Liu ; Weizhong Qian ; Qiang Zhang ; Anyuan Cao ; Zhifei Li ; Weiping Zhou ; Yang Ma ; Fei Wei
	2010-10-12 ; 2010-10-12
关键词	Experimental/ carbon nanotubes high-pressure effects polymers/ hierarchical agglomerates carbon nanotubes high-pressure cushion behavior volume reduction robust porous cushion foamy polystyrene morphology evolution pore size distribution compression pressure 10 MPa to 125 MPa pressure 1 MPa to 100 MPa C/ A6250 High-pressure and shock-wave effects in solids and liquids A6148 Structure of fullerenes and fullerene-related materials/ pressure 1.0E+07 to 1.25E+08 Pa pressure 1.0E+06 to 1.0E+08 Pa/ C/el
中文摘要	We report the cushioning behavior of highly agglomerated carbon nanotubes. The nanotube agglomerates can be repeatedly compacted to achieve large volume reduction (>50%) and expanded to nearly original volume without structural failure, like a robust porous cushion. At a higher pressure range (10-125 MPa), the energy absorbed per unit volume is 1 order of magnitude higher than conventional cushion materials such as foamy polystyrene. The structure of hierarchical agglomerates can be controlled for tailoring the cushioning properties and obtaining a lower cushioning coefficient (higher energy absorption) over a wide range of pressures (1-100 MPa). The mechanism was studied in terms of morphology evolution of the nanotube aggregates and pore size distribution during compression.
语种	英语
出版者	American Chemical Society ; USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79486]
专题	清华大学
推荐引用方式 GB/T 7714	Yi Liu,Weizhong Qian,Qiang Zhang,et al. Hierarchical agglomerates of carbon nanotubes as high-pressure cushions[J],2010, 2010.
APA	Yi Liu.,Weizhong Qian.,Qiang Zhang.,Anyuan Cao.,Zhifei Li.,...&Fei Wei.(2010).Hierarchical agglomerates of carbon nanotubes as high-pressure cushions..
MLA	Yi Liu,et al."Hierarchical agglomerates of carbon nanotubes as high-pressure cushions".(2010).

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