Fig. 6: Humidity effects on stress-strain curves of spider dragline silk fibers.

Stress–strain curves of spider dragline silk fibers at a RH0%, b RH75%, and c RH97% under different strain rates ranging from 3.3 × 10−5 to 3.3 s−1.

Stress–strain curves of spider dragline silk fibers at a RH0%, b RH75%, and c RH97% under different strain rates ranging from 3.3 × 10−5 to 3.3 s−1.