Table 1 Summary of key parameters affecting hydrogel-based AM processes and their associated roles
From: Non-planar additive manufacturing with hydrogels: a review of flow control and toolpath strategies
Parameter | Factor type | Influence |
|---|---|---|
Deposit Temperature Ti | Material | Viscosity, material structure, print speed13 |
Crosslinking ratio d | Material | Viscosity, mechanical stiffness, flow rate |
Shear stress τ | Material | |
Viscosity η | Material and process | Deposition speed, over- and underflow25 |
Nozzle height zn | Mechanical | Accuracy of deposition34 |
Printing speed U | Mechanical | Deposition and total time required, viscosity, shear rate12 |
Feed rate v | Mechanical | Total production time, embedded structure16 |
Pressure P | Mechanical and process | Printing speed, material ratio for core/shell15 |
Nozzle diameter Dn | Mechanical and process | Extruded volume, precision, Reynold’s number12 |
Feedrate F | Process | Quality and thickness of print, material extrusion12 |
