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Direct ink writing of zirconia three-dimensional structures

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Abstract

Tailoring the rheological properties of colloidal inks is critical for the direct ink writing of three-dimensional structures. The rheological properties of zirconia colloidal inks are extremely sensitive to the concentration of ammonium polyacrylate (NH4PAA). The colloidal ink containing 47 vol% ZrO2, 0.005 g ml−1 cellulose and 0.8 wt% NH4PAA dispersant showed a low viscosity of 3 Pa s at a characteristic shear rate of 50 s−1 and maintained an equilibrium elastic modulus of 8 × 104 Pa when the stress amplitude was up to 200 Pa. Three-dimensional structures with a feature size of 200 μm were successfully assembled with fine integrity.

Graphical abstract: Direct ink writing of zirconia three-dimensional structures

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Publication details

The article was received on 10 Apr 2017, accepted on 15 May 2017 and first published on 15 May 2017


Article type: Communication
DOI: 10.1039/C7TC01545C
Citation: J. Mater. Chem. C, 2017, Advance Article
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    Direct ink writing of zirconia three-dimensional structures

    J. Liao, H. Chen, H. Luo, X. Wang, K. Zhou and D. Zhang, J. Mater. Chem. C, 2017, Advance Article , DOI: 10.1039/C7TC01545C

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