Novel syntactic foams made of ceramic hollow micro-spheres and starch - theory, structure and properties

Islam, Md Mainul and Kim, Ho Sung (2006) Novel syntactic foams made of ceramic hollow micro-spheres and starch - theory, structure and properties. In: 5th International Composites Conference (ACUN-5) , 11-14 July 2006, Sydney, Australia.


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Novel syntactic foams made of starch and ceramic hollow micro-spheres were developed. Foams of four different micro-sphere size groups were manufactured with either pre- or post-mould gelatinisation process. Compressive failure behaviour and mechanical properties were evaluated. Not
much difference in failure behaviour or in mechanical properties between the two processes (pre- and post-mould gel) was found. Compressive failure of all syntactic foams was of shear on plane inclined 45° to compressive loading direction. Compressive strength and modulus of syntactic foams were found to be dependant mainly on binder content but mostly independent of micro-sphere size. Some conditions of relativity arising from properties of constituents leading to the rule of mixtures relationships for compressive strength and to understanding of compressive/transitional failure behaviour were developed. The developed relationships based on the rule of mixtures were partially verified.

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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information (displayed to public): Developments in Composites: Advanced, Infrastructural, Natural, and Nano-composites: Published version deposited with blanket permission of Conference organisers. Revised and extended version at
Depositing User: Dr Mainul Islam
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - No Department
Date Deposited: 30 May 2008 11:52
Last Modified: 02 Jul 2013 23:02
Uncontrolled Keywords: Syntactic foams, micro-spheres, starch.
Fields of Research (FoR): 09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials

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