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Piezoresistive sensors for force mapping of hip-prostheses
Correia, Vitor; Sencadas, Vitor; Martins, Marcos S.; Ribeiro, Clarisse; Alpuim, Pedro; Rocha, José G.; Iñigo, Morales; Atieza, CarlosThe success of artificial prosthetic replacements depends on the fixation of the artificial prosthetic component after being implanted in the thighbone. The materials for fixation are subject to mechanical stresses, which originate permanent deformations, incipient cracks and even fatigue fractures. This work shows the possibility of monitoring the mechanical stress over time in prosthesis. In this way, highly ...
Fiber average size and distribution dependence on the electrospinning parameter...
Vitor, Sencadas; Clarisse, Ribeiro; João, Nunes-Pereira; Vitor, Correia; Senentxu, Lanceros-MendezPoly(vinylidene fluoride-trifluoethylene) electrospun membranes were obtained from a blend of dimethylformamide (DMF) and methylethylketone (MEK) solvents. The inclusion of the MEK to the solvent system promotes a faster solvent evaporation allowing complete polymer crystallization during the jet travelling between the tip and the grounded collector. Several processing parameters were systematically changed to ...
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