Research Article

Study on Direct Writing of Gallium Metal for the Flexible Sensor

Table 1

Parameters in the direct writing of liquid Ga metal.

ParameterSymbolUnitValue range

Extrusion speedQmm3/s1–3
Nozzle heighthmm0.05–0.25
Printing speedmm/s15–65
Printing temperatureT°C40
Width of Ga wireWmmDependent variable
Nozzle inner diameterdmm0.11–0.61