Validation of a model for static and dynamic recrystallization in metals

AA Brown, DJ Bammann - International Journal of Plasticity, 2012 - Elsevier
In this paper, modifications are proposed to a phenomenological plasticity model to account
for the evolution of recrystallization and the resultant softening behavior. The novel model …

An internal state variable material model for predicting the time, thermomechanical, and stress state dependence of amorphous glassy polymers under large …

JL Bouvard, DK Francis, MA Tschopp, EB Marin… - International Journal of …, 2013 - Elsevier
This paper presents a complete theoretical accounting of the thermomechanical coupling
within a viscoplastic model to predict the time, temperature, and stress state dependent …

A combined viscoelasticity-viscoplasticity-anisotropic damage model with evolving internal state variables applied to fiber reinforced polymer composites

G He, Y Liu, Y Hammi, DJ Bammann… - Mechanics of …, 2021 - Taylor & Francis
A thermodynamically-consistent large strain viscoelasticity-viscoplasticity-damage Internal
State Variable (ISV) constitutive material model integrated with a mixture theory combining …

Evolution process of diffuser stall in a centrifugal compressor with vaned diffuser

N Fujisawa, T Inui, Y Ohta - Journal of …, 2019 - asmedigitalcollection.asme.org
This paper describes in detailed flow field in a centrifugal compressor with a vaned diffuser
at off design point. Especially, we conducted both the experimental and numerical analysis …

Gleeble-based Johnson–Cook parametric identification of AISI 9310 steel empowered by computational intelligence

D Xu, K Zhou, J Kim, L Frame, J Tang - The International Journal of …, 2024 - Springer
This research aims to establish a systematic framework for parametric identification of
materials undergoing high temperatures and high strain rates. While advanced testing …

Modeling the Evolution of the Dislocation Density and Yield Stress of Al over a Wide Range of Temperatures and Strain Rates

A Sadeghi, E Kozeschnik - Metallurgical and Materials Transactions A, 2024 - Springer
This paper introduces an extended model for the evolution of internal and wall dislocation
densities in pure aluminum during plastic deformation. The approach takes the three internal …

A rate-and temperature-dependent thermomechanical internal state variable model of the directed energy deposition process

MJ Dantin, MW Priddy - Journal of Materials Engineering and Performance, 2024 - Springer
Residual stress and distortion in additively manufactured parts contribute to build failures
and reduced fatigue life, which hinders process qualification and part certification in industry …

A new approach for determination of material constants of internal state variable based plasticity models and their uncertainty quantification

S Salehghaffari, M Rais-Rohani, EB Marin… - Computational Materials …, 2012 - Elsevier
Physically-based plasticity models such as the BCJ model include internal state variables
that represent the current state of the material and allow capturing strain rate and …

Assessment of lumen degradation and remaining life of light-emitting diodes using physics-based indicators and particle filter

P Lall, H Zhang - Journal of Electronic Packaging, 2015 - asmedigitalcollection.asme.org
The development of light-emitting diode (LED) technology has resulted in widespread solid
state lighting (SSL) use in consumer and industrial applications. Previous researchers have …

Internal state variable plasticity-damage modeling of the copper tee-shaped tube hydroforming process

J Crapps, EB Marin, MF Horstemeyer, R Yassar… - Journal of Materials …, 2010 - Elsevier
This paper presents a parametric finite element analysis using a history-dependent internal
state variable model for a hydroforming process. Experiments were performed for the …