Masters Theses
Abstract
"Naturally occurring materials or materials derived from Mother Nature share an indispensable relationship with the mankind. The greatest of the inventions and discoveries were either inspired by Nature or were found in Nature. Materials made from natural wastes not only solve the disposal problem but also provide an answer to the increasing important question related to sustainable supply of useful materials to society. Rice hull, a low value by product of rice production represents a natural material of considerable potential. Rice hull is the covering that protects the rice seed. A number of industrially important materials for the emerging field of nanotechnology could be derived from this natural material.
The research described in this thesis was directed at generation of nano scale silica and silicon carbide from rice hull and incorporation of these materials in composite structures. Results showed that with appropriate chemical and thermal treatment rice hull yields nano scale silica with diameters ranging from 10 - 30nm and high aspect ratio nanoscale silicon carbide whiskers. Results also showed that incorporation of these materials in composite structure led to a significant improvement in the mechanical properties of the composites. A 68.26 % increase in Youngs Modulus was obtained for a 40 % reinforcement of Silica in EPON and 67.6 % increase in Youngs Modulus was obtained for a 40 % reinforcement of SiC"--Abstract, page iii.
Advisor(s)
Flanigan, V. J.
Committee Member(s)
Kapila, Shubhender
Chandrashekhara, K.
Department(s)
Mechanical and Aerospace Engineering
Degree Name
M.S. in Mechanical Engineering
Publisher
University of Missouri--Rolla
Publication Date
2004
Pagination
xi, 68 pages
Note about bibliography
Includes bibliographical references (pages 62-67).
Rights
© 2004 Ganesh Ayalasomayajula, All rights reserved.
Document Type
Thesis - Restricted Access
File Type
text
Language
English
Subject Headings
Rice hulls -- ResearchNanostructuresSilicaSilicon carbide
Thesis Number
T 8620
Print OCLC #
62231190
Recommended Citation
Ayalasomayajula, Ganesh, "Fabrication and evaluation of rice hull derived nano silica/silicon carbide composites" (2004). Masters Theses. 5805.
https://scholarsmine.mst.edu/masters_theses/5805
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