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Article Dans Une Revue Scientific Reports Année : 2014

Responsive materials: A novel design for enhanced machine-augmented composites

Résumé

The concept of novel responsive materials with a displacement conversion capability was further developed through the design of new machine-augmented composites (MACs). Embedded converter machines and MACs with improved geometry were designed and fabricated by multi-material 3D printing. This technique proved to be very effective in fabricating these novel composites with tuneable elastic moduli of the matrix and the embedded machines and excellent bonding between them. Substantial improvement in the displacement conversion efficiency of the new MACs over the existing ones was demonstrated. Also, the new design trebled the energy absorption of the MACs. Applications in energy absorbers as well as mechanical sensors and actuators are thus envisaged. A further type of MACs with conversion ability, viz. conversion of compressive displacements to torsional ones, was also proposed.

Domaines

Matériaux

Dates et versions

hal-00805042 , version 1 (26-03-2013)

Identifiants

Citer

E. Bafekrpour, A. Molotnikov, J.C. Weaver, Y. Brechet, Y. Estrin. Responsive materials: A novel design for enhanced machine-augmented composites. Scientific Reports, 2014, 4, pp.3783. ⟨10.1038/srep03783⟩. ⟨hal-00805042⟩
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