[HTML][HTML] Invited article: X-ray phase contrast imaging in inertial confinement fusion and high energy density research

DS Montgomery - Review of Scientific Instruments, 2023 - pubs.aip.org
X-ray phase contrast imaging (XPCI) provides enhanced image contrast beyond absorption-
based x-ray imaging alone due to refraction and diffraction from gradients in the object …

In situ measurement of damage evolution in shocked magnesium as a function of microstructure

B MacNider, D Jones, J Callanan, M Beason… - Science …, 2023 - science.org
Accurate modeling and prediction of damage induced by dynamic loading in materials have
long proved to be a difficult task. Examination of postmortem recovered samples cannot …

A dislocation density-based continuum model of the anisotropic shock response of single crystal α-cyclotrimethylene trinitramine

DJ Luscher, FL Addessio, MJ Cawkwell… - Journal of the Mechanics …, 2017 - Elsevier
We have developed a model for the finite deformation thermomechanical response of α-
cyclotrimethylene trinitramine (RDX). Our model accounts for nonlinear thermoelastic lattice …

[HTML][HTML] High speed X-ray phase contrast imaging of energetic composites under dynamic compression

ND Parab, ZA Roberts, MH Harr, JO Mares… - Applied Physics …, 2016 - pubs.aip.org
Fracture of crystals and frictional heating are associated with the formation of “hot
spots”(localized heating) in energetic composites such as polymer bonded explosives …

[HTML][HTML] Ultrafast imaging of laser driven shock waves using betatron x-rays from a laser wakefield accelerator

JC Wood, DJ Chapman, K Poder, NC Lopes… - Scientific reports, 2018 - nature.com
Betatron radiation from laser wakefield accelerators is an ultrashort pulsed source of hard,
synchrotron-like x-ray radiation. It emanates from a centimetre scale plasma accelerator …

[LIVRE][B] Nonlinear elastic and inelastic models for shock compression of crystalline solids

JD Clayton - 2019 - Springer
This book describes thermoelastic and inelastic deformation processes in crystalline solids
undergoing loading by shock compression. Constitutive models with a basis in geometrically …

[HTML][HTML] Bayesian calibration of strength parameters using hydrocode simulations of symmetric impact shock experiments of Al-5083

DJ Walters, A Biswas, EC Lawrence… - Journal of Applied …, 2018 - pubs.aip.org
Predictive modeling of materials requires accurately parameterized constitutive models.
Parameterizing models that describe dynamic strength and plasticity require experimentally …

Quantitative in situ studies of dynamic fracture in brittle solids using dynamic X-ray phase contrast imaging

AFT Leong, AK Robinson, K Fezzaa, T Sun… - Experimental …, 2018 - Springer
We demonstrate the use of X-ray phase contrast imaging with sub-microsecond temporal
resolution to obtain quantitative visualization of dynamic fracture processes in brittle solids …

[HTML][HTML] A nonlinear anisotropic elastic–inelastic constitutive model for polycrystalline ceramics and minerals with application to boron carbide

JD Clayton, AL Tonge - International Journal of Solids and Structures, 2015 - Elsevier
A new continuum constitutive theory is developed and implemented for study of
polycrystalline brittle solids subjected to possibly large stress and finite deformation. The …

In situ visual observation of fracture processes in several high-performance fibers

M Hudspeth, B Claus, N Parab, B Lim, W Chen… - Journal of Dynamic …, 2015 - Springer
Three different high-performance fibers have been imaged in situ during Kolsky bar tensile
loading using two different techniques, namely optical microscopy and phase contrast …