Printed Strain Gauge on 3D and Low-Melting Point Plastic Surface by Aerosol Jet Printing and Photonic Curing.

摘要: Printing sensors and electronics directly on the objects is very attractive for producing smart devices, but it still a challenge. Indeed, in some applications, substrate that supports printed could be non-planar or thermal curing of functional inks damage temperature-sensitive substrates such as plastics, fabric paper. In this paper, we propose new method manufacturing silver-based strain with arbitrary custom geometries plastic curvilinear surfaces: (1) silver lines are deposited by aerosol jet printing, which can print 3D surfaces; (2) photonic sintering quickly cures layer, avoiding overheating substrate. To validate process, gauges conventional geometry polyvinyl chloride (PVC) conduits. The entire included sensor wiring optional encapsulation, performed at room temperature, compatible surface. At end measured thickness was 8.72 μm average, volume resistivity evaluated 40 μΩ∙cm, coefficient resistance 0.150 %/°C. average (71 ± 7) Ω gauge factor found to 2.42 average.