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.
Fatigue test data with a frequency of 1 Hz until a strain of 2.5 %. (A) Hysteresis loop of a single cycle during the fatigue test. (B) Average energy lost per cycle during the fatigue test. (C) Average peak force of each cycle. Each condition contained n = 5 samples and values represent average ± standard deviation. Statistical significance: *p < 0.05, **p < 0.01, ***p < 0.005, ****p < 0.0001.
