Name: Reactive Infiltration of Silicon Melt Through Microporous Amorphous Carbon Preforms (en Inglés)
SKU: 59975652
Price: 22310.00 CLP
Availability: InStock
Author: Sangsuwan, P. ; Nasa Technical Reports Server (Ntrs) ; Et Al
ISBN: 9781289279936

portada Reactive Infiltration of Silicon Melt Through Microporous Amorphous Carbon Preforms (en Inglés)

Reactive Infiltration of Silicon Melt Through Microporous Amorphous Carbon Preforms (en Inglés)

Formato

Libro Físico

Autor

Nasa Technical Reports Server (Ntrs)

P. Sangsuwan

Editorial

Bibliogov

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

24.6x18.9x0.2 cm

Peso

0.09 kg.

ISBN13

9781289279936

Categorías

Política y gobierno

Reactive Infiltration of Silicon Melt Through Microporous Amorphous Carbon Preforms (en Inglés)

Nasa Technical Reports Server (Ntrs) (Autor) · P. Sangsuwan (Autor) · Bibliogov · Tapa Blanda

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Reseña del libro "Reactive Infiltration of Silicon Melt Through Microporous Amorphous Carbon Preforms (en Inglés)"

The kinetics of unidirectional capillary infiltration of silicon melt into microporous carbon preforms have been investigated as a function of the pore morphology and melt temperature. The infiltrated specimens showed alternating bands of dark and bright regions, which corresponded to the unreacted free carbon and free silicon regions, respectively. The decrease in the infiltration front velocity for increasing infiltration distances, is in qualitative agreement with the closed-form solution of capillarity driven fluid flow through constant cross section cylindrical pores. However, drastic changes in the thermal response and infiltration front morphologies were observed for minute differences in the preforms microstructure. This suggests the need for a dynamic percolation model that would account for the exothermic nature of the silicon-carbon chemical reaction and the associated pore closing phenomenon.