Molecular insight into the toughness of polyureas: A hybrid all-atom/coarse-grained molecular dynamics study
T Zheng, T Li, J Shi, T Wu, Z Zhuang, J Xu… - Macromolecules, 2022 - ACS Publications
Polyureas are known for their remarkable toughness, which originates from the nanoscale
segregated morphology and hydrogen bonding between urea groups. However, the …
segregated morphology and hydrogen bonding between urea groups. However, the …
A hyperelastic-damage model based on the strain invariants
We develop a unified framework to describe the hyperelastic and damage behaviors of soft
materials. The free energy density consists of both the crosslinked part of Langevin chains …
materials. The free energy density consists of both the crosslinked part of Langevin chains …
[HTML][HTML] Estimating low-and high-cyclic fatigue of polyimide-CF-PTFE composite through variation of mechanical hysteresis loops
The fatigue properties of neat polyimide and the “polyimide+ 10 wt.% milled carbon fibers+
10 wt.% polytetrafluoroethylene” composite were investigated under various cyclic loading …
10 wt.% polytetrafluoroethylene” composite were investigated under various cyclic loading …
[HTML][HTML] Stretchy and disordered: Toward understanding fracture in soft network materials via mesoscopic computer simulations
Soft network materials exist in numerous forms ranging from polymer networks, such as
elastomers, to fiber networks, such as collagen. In addition, in colloidal gels, an underlying …
elastomers, to fiber networks, such as collagen. In addition, in colloidal gels, an underlying …
Fracture behaviors of double network elastomers with dynamic non-covalent linkages: A molecular dynamics study
R Zhao, Y Wang, X Gong - Polymer, 2022 - Elsevier
Hybrid double network (HDN) elastomers, containing the physical interaction (PI) network
formed by non-covalent interaction and the chemically cross-linked (C-CL) network, attract …
formed by non-covalent interaction and the chemically cross-linked (C-CL) network, attract …
Distribution cutoff for clusters near the gel point
DT Li, PE Rudnicki, J Qin - ACS Polymers Au, 2022 - ACS Publications
The mechanical and dynamic properties of developing networks near the gel point are
susceptible to the distribution of clusters coexisting with percolating networks. The …
susceptible to the distribution of clusters coexisting with percolating networks. The …
Modeling the rate-dependent ductile-brittle transition in amorphous polymers
The stress response of amorphous polymers in the glass transition region shows apparent
temperature and rate dependence. With increasing loading rate, amorphous polymers also …
temperature and rate dependence. With increasing loading rate, amorphous polymers also …