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.
Tensile test on nanofiber specimens according to ASTM D638-14 at a rate of 2 mm/min, at the start of the test (a), when fracture (b), when released from the machine (c), and stress vs. strain curves for PVA nanofiber at constant speed of 2 mm/min (d).
