Shock- and Energy-Absorption Capability of Cold-Programmable Shape Memory Polymers
Shock- and Energy-Absorption Capability of Cold-Programmable Shape Memory Polymers
复制标题
冷可编程形状记忆聚合物的冲击和能量吸收能力
DOI:
10.1002/macp.201800274
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发表时间:
2018
影响因子:
2.5
通讯作者:
F. Katzenberg
中科院分区:
文献类型:
--
作者:
T. Raidt;P. Santhirasegaran;R. Hoeher;J.C. Tiller;F. Katzenberg
In this work, the shock‐ and energy‐absorption capability of cold‐programmable shape memory polymers is evaluated. To this end, thin safety lines are prepared from different materials (critically cross‐linked syndiotactic polypropylene, shape memory natural rubber, natural rubber, and Dyneema) and tested by falling weight experiments to determine characteristic physical quantities such as maximum impact force, maximum jerk (first derivative of the deceleration), and energy absorption capability. Critically cross‐linked syndiotactic polypropylene is the best suited of all tested materials for cushioning the impact force, vibration, and chatter, which occur when a safety line abruptly tightens after the free fall in a falling weight experiment.
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