Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) An optical image depicting the process of the three-dimensional printing of a composite material in the form of a triangular honeycomb structure. (b) Schematic showing the gradual arrangement of elongated fillers with a high aspect ratio inside the nozzle while depositing composite ink. (c) The relationship between the applied tensile stress and the resulting strain for 3D-printed tensile bars with different compositions, as well as control samples made from pure epoxy resin.
