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The toughening mechanisms in epoxy-s...

Liang, Yi-Ling.

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The toughening mechanisms in epoxy-silica nanocomposites and hybrid epoxy-silica-rubber nanocomposites.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The toughening mechanisms in epoxy-silica nanocomposites and hybrid epoxy-silica-rubber nanocomposites./
作者:	Liang, Yi-Ling.
面頁冊數:	212 p.
附註:	Source: Dissertation Abstracts International, Volume: 70-05, Section: B, page: 3123.
Contained By:	Dissertation Abstracts International70-05B.
標題:	Engineering, Materials Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3358108
ISBN:	9781109166866

The toughening mechanisms in epoxy-silica nanocomposites and hybrid epoxy-silica-rubber nanocomposites.
Liang, Yi-Ling.

The toughening mechanisms in epoxy-silica nanocomposites and hybrid epoxy-silica-rubber nanocomposites. - 212 p.

Source: Dissertation Abstracts International, Volume: 70-05, Section: B, page: 3123.

Thesis (Ph.D.)--Lehigh University, 2008.

In order to improve the crack resistance of epoxy resins, either soft, micron size rubber particles or rigid, micron size spheres are commonly added as toughening agents. The toughening mechanisms induced by soft rubber particles and rigid spheres are different. The fracture behavior of toughened epoxy resins usually show a peak or plateau when the fraction of toughening agent reaches certain level. Therefore, epoxy resins modified by the incorporation of two types of toughening agents can be developed known as the hybrid composites with toughness greater than that when only one type toughening agent is used. Recently, a well dispersed, nanometer size silica spheres produced by sol-gel technology have been added into epoxy resin. The toughening behavior of the epoxy-silica nanocomposite (ESNs) is very interesting since it contradicts many conventional predictions. Moreover, a significant improvement of fracture behavior has been reported in hybrid epoxy-silica-rubber nanocomposite (HESRNs) when a small amount of nanosilica is used. However the toughening mechanisms in ESNs and HESRNs are not clear. The focus of this study is to understand the effect of nanosilica size as well as the nanosilica dispersion on the toughening behavior in ESNs and HESRNs. In addition, a system of hybrid epoxy-rubber?rubber blends (HERRBs) is developed to further elucidate the role of nanosilica in toughening mechanisms of ESNs, HESRNs.

ISBN: 9781109166866Subjects--Topical Terms:

1017759
Engineering, Materials Science.

The toughening mechanisms in epoxy-silica nanocomposites and hybrid epoxy-silica-rubber nanocomposites.
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