WebJan 1, 1994 · The strain rate sensitivity of polymers considering low to high rates can be seen in the research of (Walley and Field 1994) and (Jordan, Siviour, and Woodworth … WebApr 10, 2024 · Soft polymers and polymer gels that contain dynamic, reversible crosslinks are rate-dependent materials used in applications ranging from biomedical to structural protection. Their highly rate-dependent response, especially for impact-mitigating structures, is important. Currently, there are no physics-motivated constitutive models that can …
Strain rate-induced phase transitions in an impact-hardening …
WebThe steady state or minimum strain rate is often used as a design tool. For example, what is the stress needed to produce a minimum strain rate of 10-6 m/m / h ( or 10-2 m/m in 10,000 h) or what is the stress needed to produce a minimum strain rate of 10-7 m/m / h ( or 10-2 m/m in 100,000 h). An Arrhenius-type rate model is used to include the WebJan 25, 2016 · The high strain rate mechanical properties of several classes of polymers, i.e. glassy and rubbery amorphous polymers and semi-crystalline polymers will be reviewed. Additionally, time–temperature superposition for rate dependent large strain properties … list of elements in order of discovery
Title: A large deformation model for quasi-static to high strain rate ...
WebJan 28, 2013 · Polymers are increasingly used in structures that have to withstand impact conditions. This thesis describes an investigation of strain rate properties at room … WebMay 3, 2011 · The nonlinear Langevin equation theory of segmental relaxation, elasticity, and nonlinear mechanical response of deformed polymer glasses with aging and mechanical rejuvenation processes taken into account is applied to study material response under a constant strain rate deformation. In the postyield softening regime, the amplitude of the … WebPolymer stress-strain curves are produced by stretching a sample at a constant rate through the application of a tensile force. What is stress in polymers? Polymers exhibit a wide … imaginary ideal world