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28 May 1999 Polymer-ceramic composite that mimics bone formation
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Research was done on a biomimetic building material with the unique properties of bone. Bone, as well as other natural materials such as shell, obtains its toughness and strength as a result of utilizing optimum materials, structural form and carefully controlling the process of bone formation. The organic fibers are made first and the matrix grown around them as opposed to conventional ceramics in which any fibers are added to the matrix. The research presented focuses on creating a polymer/cement composite which mimics bone by controlling the chemical makeup and sequencing of fabrication. The rules under which bone material naturally forms, albeit at a macroscale, are followed in order to match the intimate connection between material phases of bone. The research presented here uses cement and condensation polymers. The proposed design more carefully controls the formation process by utilizing the symbiotic relationship of the two material formation reactions. The inorganic phase formation is initiated and controlled by the organic phase formation as occurs in bone formation. Like bone this new material offers great opportunity for improved mechanical and chemical bonding.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Carolyn M. Dry "Polymer-ceramic composite that mimics bone formation", Proc. SPIE 3669, Smart Structures and Materials 1999: Electroactive Polymer Actuators and Devices, (28 May 1999);


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