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蜘蛛丝Ⅰ:超级力学性能

DOI: 10.6052/1000-0879-13-360, PP. 117-119

Keywords: 蜘蛛丝,超级生物材料,力学性能

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Abstract:

介绍蜘蛛丝既有优异的强度、也有优异的延伸率、韧性和适中的刚度,这使得蜘蛛网承受静载和昆虫冲击的能力均超过其他人造和天然材料,无愧超级生物材料的称号.蜘蛛丝的力学性能随应变率的增加而增加,进一步提高了蜘蛛网的抗昆虫冲击能力.蜘蛛丝的黏弹性性质和捕捉丝的黏性能有效防止捕获的猎物被弹出.本文第Ⅱ部分介绍赋予蜘蛛丝的超级力学性能的自组装分级微结构,第Ⅲ部分介绍蜘蛛网超级抗损伤和超级带缺陷工作能力的力学奥秘.

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