Crosslinked Silica Aerogel

Numerical Modeling and Mechanical Testing

Autor: Nilesh Shimpi

Limbă:

Legare: Carte broșată

Editura: VDM Verlag Dr. Mueller E.K.

Disponibilitate: În depozitul extern

Expediem în 14-21 zile

274.17 lei

Silica aerogel are highly porous nanostructured solids materials with wide range of applications. Ho...

Informații despre carte

Autor

Nilesh Shimpi

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2008

Pagini

EAN

9783639030525

ISBN

3639030524

Enbook ID

06812775

Editura

VDM Verlag Dr. Mueller E.K.

Greutate

118

Dimensiuni

152 x 229 x 4

Descriere completă

Silica aerogel are highly porous nanostructured solids materials with wide range of applications. However silica aerogels are inherently fragile and brittle. Thus, their use in load-bearing applications presents a challenge. In this book, mechanical behavior of nanostructured silica aerogel is characterized under compression and three-point bending tests. In order to develop a better understanding of the synergistic stiffening and strengthening mechanism of the crosslinker a numerical model was developed using Particle Flow Code ®. The compressive strength increased 40 times the strength of plain silica aerogels. Testing was also carried out under different strain rates and temperatures. In flexural tests the stress-strain curve obtained showed a perfect elastic behavior and the \"conchoidal\" fracture morphology. The results from numerical modeling emphasis need for a better algorithm that can generate the silica aerogel structure. Also the quantitative parameters determined from modeling need to be experimentally validated.

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Crosslinked Silica Aerogel

Numerical Modeling and Mechanical Testing

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