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.
Microscopy of the cross-cut section of the PLA–glass filament: (a) 50×; (b) 100×; (c) 200×. The circled areas represent defects of the reinforcement material: the matrix did not adhere to the reinforcement (no. 1); gap left by the evulsion of a non-adherent glass fiber to the matrix (no. 2); common evulsion of the glass fiber in the matrix, occurred after cutting the sample (no. 3).
