Effect of microstructure and temperature on nuclear graphite oxidation using the 3D Random Pore Model
This work compared the 3D Random Pore Model (3D-RPM) with experimental and
characterization data to systematically study the effect of nuclear graphite microstructure and …
characterization data to systematically study the effect of nuclear graphite microstructure and …
An XFEM‐strain gradient damage model for efficient modeling of materials with reinforcement particles
A coupling of extended finite element method (XFEM) and strain gradient enhanced damage
method is proposed to model damage initiation and growth in the materials with …
method is proposed to model damage initiation and growth in the materials with …
A stochastic XFEM model for the tensile strength prediction of heterogeneous graphite based on microstructural observations
A stochastic XFEM model based on microstructural observations has been developed to
evaluate the tensile strength of NBG-18 nuclear graphite. The nuclear graphite consists of …
evaluate the tensile strength of NBG-18 nuclear graphite. The nuclear graphite consists of …
Large-scale Weibull analysis of H-451 nuclear-grade graphite rupture strength
N Nemeth, A Walker, E Baker, P Murthy, R Bratton - Carbon, 2013 - Elsevier
A Weibull analysis was performed of the strength distribution and size effects for 2000
specimens of H-451 nuclear-grade graphite. The data, generated elsewhere, measured the …
specimens of H-451 nuclear-grade graphite. The data, generated elsewhere, measured the …
Failure prediction of full-size reactor components from tensile specimen data on NBG-18 nuclear graphite
This paper concerns itself with predicting the failure of a full-size NBG-18 nuclear graphite
reactor component based only on test data obtained from standard tensile test specimens. A …
reactor component based only on test data obtained from standard tensile test specimens. A …
A two-scale stochastic framework for predicting failure strength probability of heterogeneous materials
In the present study, a two-scale stochastic framework has been proposed for predicting the
failure strength probability of heterogeneous materials. The analysis at both scales (meso …
failure strength probability of heterogeneous materials. The analysis at both scales (meso …
Experimental and computational correlation of fracture parameters KIc, JIc, and GIc for unimodular and bimodular graphite components
A Bhushan, SK Panda - Journal of Nuclear Materials, 2018 - Elsevier
The influence of bimodularity (different stress∼ strain behaviour in tension and
compression) on fracture behaviour of graphite specimens has been studied with fracture …
compression) on fracture behaviour of graphite specimens has been studied with fracture …
[HTML][HTML] Investigating the effects of confining pressure on graphite material failure modes and strength criteria
Y Yi, G Liu, T Xing, G Lin, L Sun, L Shi, S Ma - Nuclear Engineering and …, 2020 - Elsevier
As a critical material in very/high-temperature gas-cooled reactors, graphite material directly
affects the safety of the reactor core structures. Owing to the complex structures of graphite …
affects the safety of the reactor core structures. Owing to the complex structures of graphite …
Leveraging comprehensive baseline datasets to quantify property variability in nuclear-grade graphites
MC Carroll, WE Windes, DT Rohrbaugh… - … Engineering and Design, 2016 - Elsevier
The full characterization of the physical and mechanical properties of candidate nuclear-
grade graphites is highly dependent upon an understanding of the distribution of values that …
grade graphites is highly dependent upon an understanding of the distribution of values that …
[PDF][PDF] Modelling damage in nuclear graphite
In this paper a non-local coupled plasticity and damage model for nuclear graphite is
presented. The model is the adaption of an existing model for quasi-brittle materials that …
presented. The model is the adaption of an existing model for quasi-brittle materials that …