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Development and characterization of ...

Caskey, Terrence Colin.

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Development and characterization of ordered, highly oriented, composite laminates using supercritical carbon dioxide.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Development and characterization of ordered, highly oriented, composite laminates using supercritical carbon dioxide./
作者:	Caskey, Terrence Colin.
面頁冊數:	181 p.
附註:	Directors: Alan J. Lesser; Thomas J. McCarthy.
Contained By:	Dissertation Abstracts International64-01B.
標題:	Engineering, Materials Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3078671
ISBN:	0493996850

Development and characterization of ordered, highly oriented, composite laminates using supercritical carbon dioxide.
Caskey, Terrence Colin.

Development and characterization of ordered, highly oriented, composite laminates using supercritical carbon dioxide. - 181 p.

Directors: Alan J. Lesser; Thomas J. McCarthy.

Thesis (Ph.D.)--University of Massachusetts Amherst, 2003.

This thesis describes the development and subsequent characterization of a series of oriented, highly ordered laminated composite materials. These laminated composite materials all possess order over varying length-scales from angstrom level molecular chain orientation to macro-scale order in woven fabrics. In each case, supercritical carbon dioxide (SC CO2) is used as a unique reaction medium and processing aid allowing for the development of structures not previously attainable with standard techniques. The goal of this research is two-fold, the first goal involves the proof of concept, exhibiting the ability to attain novel composite structures using unique SC CO2 chemistries and processes. The second goal of this research is aimed at developing a thorough understanding of how these unique structures and morphologies translate into an overall mechanical response for the material.

ISBN: 0493996850Subjects--Topical Terms:

1017759
Engineering, Materials Science.

Development and characterization of ordered, highly oriented, composite laminates using supercritical carbon dioxide.
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100 1 $a Caskey, Terrence Colin. $3 1258389
245 1 0 $a Development and characterization of ordered, highly oriented, composite laminates using supercritical carbon dioxide.
300 $a 181 p.
500 $a Directors: Alan J. Lesser; Thomas J. McCarthy.
500 $a Source: Dissertation Abstracts International, Volume: 64-01, Section: B, page: 0365.
502 $a Thesis (Ph.D.)--University of Massachusetts Amherst, 2003.
520 $a This thesis describes the development and subsequent characterization of a series of oriented, highly ordered laminated composite materials. These laminated composite materials all possess order over varying length-scales from angstrom level molecular chain orientation to macro-scale order in woven fabrics. In each case, supercritical carbon dioxide (SC CO2) is used as a unique reaction medium and processing aid allowing for the development of structures not previously attainable with standard techniques. The goal of this research is two-fold, the first goal involves the proof of concept, exhibiting the ability to attain novel composite structures using unique SC CO2 chemistries and processes. The second goal of this research is aimed at developing a thorough understanding of how these unique structures and morphologies translate into an overall mechanical response for the material.
520 $a This work will be divided into three distinct but interrelated projects. The first project involves the development of a unique SC CO2 assisted solvent welding technique. This technique is then applied towards the fabrication of a quasi-isotropic laminate comprised of a series of solvent-welded uniaxially-oriented linear low density polyethylene films (LLDPE). The geometry of this laminate is designed to exploit the improved strength and rigidity of uniaxially oriented LLDPE films while suppressing undesireable transverse properties.
520 $a The second project to be addressed in this project involves the development of fiber-reinforced composites with unique nano-scale morphologies. The long-range order in these composites has profound effects on both the individual fiber properties as well as the overall composite properties.
520 $a The final project of interest in this work involves the development of intercalated silicate nano-composites with high clay content. In order to achieve the desired morphologies it is necessary to create polymer/clay nano-composites with very high clay content, approaching 50% clay. This level of clay content is not currently possible with conventional techniques due to viscosity limitations. The focus of this project is to employ SC CO2 as a reaction medium and a processing aid in the <italic>in-situ</italic> intercalation of silicate nano-composites with high clay content. Subsequent efforts in this area involve the orientation of these structures through the fabrication process itself or through post-reaction processing.
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790 1 0 $a Lesser, Alan J., $e advisor
790 1 0 $a McCarthy, Thomas J., $e advisor
791 $a Ph.D.
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856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3078671