Science Advances

Supplementary Materials

The PDF file includes:

  • Fig. S1. TEM image of ZrO2 NPs.
  • Fig. S2. The effect of ZrO2 NPs on the ceramization of precursors printed by two ink systems.
  • Fig. S3. The samples of elastomer, first EDCs, second EDCs, and oxidation results of the elastomer for two ink systems.
  • Fig. S4. Porosity of EDCs.
  • Fig. S5. Schematic of Miura-ori with the definition of important geometric parameters (l1 = l2 = 9 mm, c = 1.8 mm, α = 75°) and relative locations of the patterned joints on the substrate.
  • Fig. S6. Phase diagram (¼) of 4D printing of the Miura-ori with FEA simulation and elastomeric experimental results.
  • Fig. S7. Comparison of ink system 1 and ink system 2 with some different advantages.
  • Table S1. Compression test samples with various conditions.
  • Table S2. Compression test samples in Fig. 4 (ink system 1, first EDCs from heat treatment in argon at 1300°C).
  • Legends for movies S1 to S6.

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mp4 format). Tension testing video of precursors (played at 10× speed) printed by ink system 1.
  • Movie S2 (.mp4 format). Tension testing video of precursors (played at 10× speed) printed by ink system 2.
  • Movie S3 (.mp4 format). 4D printing of ceramic Miura-ori.
  • Movie S4 (.mp4 format). FEA simulation showing shape morphing of the bending configuration.
  • Movie S5 (.mp4 format). FEA simulation showing shape morphing of the helical ribbon.
  • Movie S6 (.mp4 format). FEA simulation showing shape morphing of the saddle surface.

Files in this Data Supplement: