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) Stress relaxation data in terms of shear stress vs time; (b) shear stress measured at 0.01 s as function of testing temperature. The critical Dalquist value was meet in correspondence of 120 °C. Reproduced from [99] with the permission of Chemical Engineering Transaction.
