Figure 1
From: Linking Rheology and Printability for Dense and Strong Ceramics by Direct Ink Writing
Loop flow curve of a 45 wt% boehmite suspension aged for 8 h. This protocol replicates the shear applied on a printed ink, from the syringe to the printing support. While measuring \(\dot{\gamma }\), an increasing stress controlled ramp was applied (1) until suspension yields at the \({\sigma }_{y}^{Stat}\) (2). When \(\dot{\gamma }\) exceeded 100 s −1 (3), a decreasing shear rate controlled ramp was applied until \(\dot{\gamma }=1\,{s}^{-1}\) and stress relaxes at \({\sigma }_{y}^{Dyn}\) value (4).
