蜘蛛大壶状腺丝的反复拉伸力学行为和性能

蒋平, 吴丽华, 吕太勇, José Pérez-Rigueiro, 王安萍

Repetitive Stretching Tensile Behavior and Properties of Spider Major Ampullate Gland Silk

JIANG Ping, WU Lihua, LV Taiyong, Pérez-Rigueiro José, WANG Anping

图6 蜘蛛大壶状腺丝连续拉伸即很短时间间隔前后力学行为的比较

Fig.6 Continuous stretching tensile properties of the Mas in air. The two silk samples were repeatedly stretched. The curves (a~f and g~l) are respectively from same silk samples. The curves (b, d, f, h, j and l) are true stress-true strain curves corresponding to the force-displacement curves (a, c, e, g, i and k). There is very shot interval about 15 s or 25 s between each stretching except for few stretching. There was significant difference in the original length (L0) of silk samples before stretching between the two groups for Fig.k and l (P < 0.05), and the other differences were all not significant (P > 0.05)