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Effects of Prior Aging At 316 C in Argon on Inelastic Deformation Behavior of PMR-15 Polymer At 316 C: Experiment and Modeling54,99 €![Effects of Prior Aging at 274 C in Argon on the Inelastic Deformation Behavior of Pmr-15 Polymer at 288 C: Experiment and Modeling]( "Effects of Prior Aging at 274 C in Argon on the Inelastic Deformation Behavior of Pmr-15 Polymer at 288 C: Experiment and Modeling")
Effects of Prior Aging at 274 C in Argon on the Inelastic Deformation Behavior of Pmr-15 Polymer at 288 C: Experiment and Modeling58,99 €![Effects of Prior Aging at Elevated Temperature in Air and in Argon Environments on Creep Response of PMR-15 Neat Resin at 288°C]( "Effects of Prior Aging at Elevated Temperature in Air and in Argon Environments on Creep Response of PMR-15 Neat Resin at 288°C")
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Effects of Prior Aging At 288°C in Argon Environment on Creep Response of Carbon Fiber Reinforced PMR-15 Composite with ±45° Fiber Orientation at 288°59,99 €![Extension of Viscoplasticity Based on Overstress to Capture the Effects of Prior Aging on the Time Dependent Deformation Behavior of a High-Temperatur]( "Extension of Viscoplasticity Based on Overstress to Capture the Effects of Prior Aging on the Time Dependent Deformation Behavior of a High-Temperatur")
Extension of Viscoplasticity Based on Overstress to Capture the Effects of Prior Aging on the Time Dependent Deformation Behavior of a High-Temperatur54,99 €![Some Aspects of the Mechanical Response of PMR-15 Neat Resin at 288oC: Experiment and Modeling]( "Some Aspects of the Mechanical Response of PMR-15 Neat Resin at 288oC: Experiment and Modeling")
Some Aspects of the Mechanical Response of PMR-15 Neat Resin at 288oC: Experiment and Modeling54,99 €![Strain Rate Dependent Deformation and Strength Modeling of a Polymer Matrix Composite Utilizing a Micromechanics Approach]( "Strain Rate Dependent Deformation and Strength Modeling of a Polymer Matrix Composite Utilizing a Micromechanics Approach")
Strain Rate Dependent Deformation and Strength Modeling of a Polymer Matrix Composite Utilizing a Micromechanics Approach54,99 €
The inelastic deformation behavior of PMR-15 neat resin, a high-temperature polymer, was investigated at 260 -C. The experimental program was designed to explore the influence of strain rate on loading and unloading behaviors. In addition, the effect of prior strain rate on creep, relaxation, and recovery responses was evaluated. The material exhibits positive, nonlinear strain rate sensitivity in monotonic loading. Early failures occur before inelastic flow is fully established. The creep, relaxation, and recovery responses are significantly influenced by prior strain rate. The experimental data were modeled using the Viscoplasticity Based on Overstress for Polymers (VBOP) theory. The effects of prior aging in argon at 260 -C on the time (rate)-dependent behavior of the PMR-15 polymer were evaluated in a series of strain controlled experiments. Several of the VBO material parameters were expanded as functions of prior aging time. The resulting model was used to predict the behavior of PMR-15 subjected to various prior aging durations.