Figure 2.
Fabricating procedures by “rolling ball” method: (a) slurry of the phenolic resin/CF; (b) EPS beads in “rolling ball machine”; (c) dry carbon fibers were put into the tumbler; (d) CF/Phenolic coated EPS bead.
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.