Self-forming polymer ceramic composite made by an in-situ process to yield superior microstructrue while using materials and energy efficiently

Carolyn M. Dry

doi:10.1117/12.424431

6 April 2001 Self-forming polymer ceramic composite made by an in-situ process to yield superior microstructrue while using materials and energy efficiently

Carolyn M. Dry

Author Affiliations +

Proceedings Volume 4234, Smart Materials; (2001) https://doi.org/10.1117/12.424431
Event: Smart Materials and MEMS, 2000, Melbourne, Australia

Abstract

This polymer ceramic composite is biomimetic in that it follows the rules of bone growth for superior properties of strength and toughness. There is an intimate mechanical and chemical bond which is due to the careful growth sequences, i.e., the fibers are made first and the two matrix materials grown around them in sequence. Moreover, it can be grown in- situ, and in layers, particular shapes or as a massive volume. The overall physical design is that of a reaction separation process in which the reactant materials are released into the matrix where they are needed by hollow porous tubes. No external heat or mixing is required and no unused final product is present. Materials and energy are utilized most efficiently while generating a resultant material in which the form and microstructure can be controlled. The effluent from the first reaction supplies the reactant for the second reaction. It appears that, like bone, one material can form a template for the other. Thus the ability to control the smallest scale microstructure would be present. Physical testing showed that the composite thus produced had superior compressive strength and fails in a manner consistent with better modulus of elasticity and greater toughness than either the polymer or ceramic material alone. SEMs revealed the structure and mechanical and chemical bonding. It appears that templating of the ceramic into the polymer is occurring but further verification is needed. This would provide the superior type of microstructure control sought.

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Carolyn M. Dry "Self-forming polymer ceramic composite made by an in-situ process to yield superior microstructrue while using materials and energy efficiently", Proc. SPIE 4234, Smart Materials, (6 April 2001); https://doi.org/10.1117/12.424431

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KEYWORDS

Polymers

Ceramics

Composites

Chemical analysis

Bone

Crystals

Polymerization

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