Heating/solvent responsive shape‐memory polymers for implant biomedical devices in minimally invasive surgery: current status and challenge

R **ao, WM Huang - Macromolecular bioscience, 2020 - Wiley Online Library
This review is about the fundamentals and practical issues in applying both heating and
solvent responsive shape memory polymers (SMPs) for implant biomedical devices via …

Modeling the thermo-mechanical behavior and constrained recovery performance of cold-programmed amorphous shape-memory polymers

L Dai, C Tian, R **ao - International Journal of Plasticity, 2020 - Elsevier
The low recovery stress has limited utilizing shape-memory polymers (SMPs) as actuators.
In this work, we demonstrate that the resultant recovery stress of amorphous SMPs can be …

Extensional stress-induced orientation and crystallization can regulate the balance of toughness and stiffness of polylactide films: interplay of oriented amorphous …

XR Gao, Y Li, HD Huang, JZ Xu, L Xu, X Ji… - …, 2019 - ACS Publications
Polylactide (PLA) films with an excellent balance of toughness and stiffness were realized by
extensional stress efficiently. For the relatively low extensional stress, gauche–gauche …

Thermomechanical coupling in glassy polymers: An effective temperature theory

R **ao, C Tian, Y Xu, P Steinmann - International Journal of Plasticity, 2022 - Elsevier
Glassy polymers exhibit a strong thermomechanical coupling when subjected to mechanical
loading. A homogeneous strain distribution can be achieved in uniaxial compression …

[HTML][HTML] Tensile testing of polymers: Integration of digital image correlation, infrared thermography and finite element modelling

P Song, A Trivedi, CR Siviour - Journal of the Mechanics and Physics of …, 2023 - Elsevier
Tensile tests are often used as part of material characterisation strategies; however, the
observed deformation is often complex, and it can be difficult to distinguish the underlying …

Error introduced by direct 3D printing of compression samples of PLA made by FDM process

SI Scipioni, F Lambiase - The International Journal of Advanced …, 2023 - Springer
This study delves into the crucial aspect of sample preparation methodology and its
profound impact on characterizing the physical and mechanical properties of components …

[HTML][HTML] The effect of strain rate on compressive behavior and failure mechanism of CMDB propellant

H Zhang, H Chang, X Li, X Wu, Q He - Defence Technology, 2022 - Elsevier
The compressive mechanical behavior of composite modified double base (CMDB)
propellant was investigated across a wide scope of strain rates ranging from 10− 3 s− 1 to …

Constitutive modeling of the rate-and temperature-dependent macro-yield behavior of amorphous glassy polymers

C Jiang, Z Zhu, J Zhang, Z Yang, H Jiang - International Journal of …, 2020 - Elsevier
The rate-and temperature-dependence of the macro-yield behavior, as one of the important
concerns for the investigation and application of amorphous glassy polymers, is very …

Mechanical performance of polystyrene foam (EPS): Experimental and numerical analysis

N Tang, D Lei, D Huang, R **ao - Polymer Testing, 2019 - Elsevier
In this work, we perform a series of tests to characterize the mechanical properties of
polystyrene foam (EPS), including uniaxial compression tests, uniaxial tension tests and …

A constitutive model for strain hardening behavior of predeformed amorphous polymers: Incorporating dissipative dynamics of molecular orientation

R **ao, C Tian - Journal of the Mechanics and Physics of Solids, 2019 - Elsevier
A series of uniaxial compression tests are performed on amorphous thermoplastics poly
(ethylene terephthalate)-glycol (PETG). The stress response shows a dramatic change with …