Strain rate-induced phase transitions in an impact-hardening polymer composite | Zendy

Weifeng Jiang | Zendy; Xinglong Gong | Zendy; Sheng Wang | Zendy; Qian Chen | Zendy; Hong Zhou | Zendy; Wanquan Jiang | Zendy; Shouhu Xuan | Zendy

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Strain rate-induced phase transitions in an impact-hardening polymer composite

Author(s) -

Weifeng Jiang,

Xinglong Gong,

Sheng Wang,

Qian Chen,

Hong Zhou,

Wanquan Jiang,

Shouhu Xuan

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4870044

Subject(s) - materials science , composite material , composite number , hardening (computing) , polymer , strain rate , deformation (meteorology) , strain hardening exponent , phase transition , thermodynamics , layer (electronics) , physics

An impact-hardening polymer composite that is promising as a protective equipment material for its excellent performance and comfortable characteristics is shown. Falling weight impact experiments are performed to characterize its protective behavior, which is realized by absorbing energy and resisting deformation. From the mechanical tests in different strain rate, it is seen to undergo transitions from a viscous-liquid behavior to a rubbery behavior, then to a glassy behavior. These phase transition are found to be essential for their practical applications in the energy absorption and the deformation resistance.

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