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Materials Science in Additive Manufacturing Ceramic vat photopolymerization

Figure 9. Samples before and after pyrolysis: (A1 and A2) cellular components, (B1 and B2) block, (C1 and C2) bullet

Figure 10. Programmable shapes of printed samples after printing, folding, and folding-assisted two-stage pyrolysis: (A1-A3) shapes of spirals, (B1-B3)
shapes of knots

build platform to obtain free-standing components, thereby involve resin curing kinetics and flow dynamics within the
limiting the pyrolysis temperature to 600°C. The TPP is only build area – parameters requiring optimization to fully
applicable to slurries transparent to infrared light and the realize CLIP’s revolutionary potential for cost-effective
fabrication of opaque slurries is challenging. In addition, manufacturing of intricate polymer components through
the problem of shrinkage during pyrolysis can be resolved additive processes.
by the incorporation of nanofillers or using a low-shrinkage These studies showed that the VPP techniques are
pre-ceramic polymer. The printed components using TPP compatible with producing ceramic parts from pre-
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are of small sizes and generally require longer production ceramic and various ceramic powders together with resins.
owing to the slow fabrication speed. Micro- to nano-architected ceramic materials of complex
The CLIP technique leverages an oxygen-inhibited shapes can be produced with excellent specific stiffness
polymerization zone to enable rapid curing of and strength, which may find application in many areas of
photopolymer resins. The technology’s primary constraints science and technology.

Volume 4 Issue 3 (2025) 15 doi: 10.36922/MSAM025200031