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) Weibull reliability distribution for yield stress and elastic modulus; (b) compressive stress–strain plot for PEEK/HA composites with 40 vol. % HA before and after one million cyclic loading in direction 1; and (c) schematic of the use of 3D printed hierarchical HA scaffold with computer-controlled varied spacing suitable to make functionally graded PEEK/HA composites for spinal cage fusion.
