Unidirectional, highly linear strain sensors with thickness-engineered conductive films for precision control of soft machines
Saeb Mousavi, Mai Thanh Thai, Morteza Amjadi, David Howard, Shuhua Peng, Thanh Nho, Chunhui Wang
Abstract
By drop-casting conductive inks onto the soft 3D printed surfaces, strain sensors of spatially-varying thickness mimicking the inherent surface undulation of the substrate are fabricated with a gauge factor of 151 over a linear strain range of ε = 97%.
Topics & Concepts
Gauge factorMaterials scienceStrain gaugeElectrical conductorSubstrate (aquarium)Composite materialDrop (telecommunication)Strain (injury)CastingMechanical engineeringFabricationEngineeringAlternative medicineMedicineOceanographyGeologyPathologyInternal medicineAdvanced Sensor and Energy Harvesting MaterialsTactile and Sensory InteractionsAdhesion, Friction, and Surface Interactions