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Materials Science in Additive Manufacturing Alumina platelets additive manufacturing

A B

C D

E F

G H

Figure 2. (A–H) Influence of sintering temperature on pore sizes and the extent of infiltrating a secondary polymeric phase. Scale bar applies to all panel
images.
of this composite could also be improved by promoting of nacre-inspired bulk 3D structures, as most of them
the formation of bridges between the platelets, which focused on creating an aligned platelet structure through
contribute to the toughening mechanism. various methods.
Furthermore, the nanopowder that did not form the Based on the initial study, we additively manufactured
bridges can also induce inelastic shearing resistance like samples in the same way as described above for three-point
another toughening mechanism of the nacre, which bending tests.
8
is enabled by the presence of nanoasperities. These Figure 3 illustrates the whole process from additive
characteristics of synthetic nacre-like structures have manufacturing of the alumina platelet samples to the
never been reported in other studies on the fabrication infiltration of a secondary phase. The layer thickness of

Volume 3 Issue 1 (2024) 5 https://doi.org/10.36922/msam.2711