Sub-size tensile specimen design for in-reactor irradiation and post-irradiation testing

MN Gussev, RH Howard, KA Terrani… - Nuclear Engineering and …, 2017 - Elsevier
The present work aims to provide a complete engineering solution, an appropriate
experimental database, and a brief physical background on designing a miniature specimen …

[HTML][HTML] Fracture toughness evaluation of a nuclear graphite with non-linear elastic properties by 3D imaging and inverse finite element analysis

H Chen, J Shen, D Scotson, X Jin, H Wu… - Engineering Fracture …, 2023 - Elsevier
Effective small specimen tests are needed to obtain fracture toughness and elastic
properties as the limited availability of irradiated graphite restricts the quantity and …

Synchrotron X-ray characterization of crack strain fields in polygranular graphite

SM Barhli, L Saucedo-Mora, MSL Jordan, AF Cinar… - Carbon, 2017 - Elsevier
The strain field of a crack in polygranular isotropic nuclear graphite, a quasi-brittle material,
has been studied during stable fracture propagation. Synchrotron X-ray computed …

[HTML][HTML] Combined evaluation of Young modulus and fracture toughness in small specimens of fine grained nuclear graphite using 3D image analysis

J Shen, TJ Marrow, D Scotson, X Jin, H Wu… - Journal of Nuclear …, 2022 - Elsevier
The fracture toughness of the fine-grained nuclear graphite SNG742 has been investigated
by observation of stable crack propagation in double cleavage drilled compression …

[HTML][HTML] In situ measurement of the strains within a mechanically loaded polygranular graphite

TJ Marrow, D Liu, SM Barhli, LS Mora, Y Vertyagina… - Carbon, 2016 - Elsevier
Neutron diffraction and synchrotron X-ray diffraction and imaging have been applied to
study, in situ, the mechanical response to tensile and bending loading of polygranular …

Assessment of the fracture toughness of neutron-irradiated nuclear graphite by 3D analysis of the crack displacement field

X Jin, J Wade-Zhu, Y Chen, PM Mummery, X Fan… - Carbon, 2021 - Elsevier
Digital volume correlation of in situ synchrotron X-ray computed tomographs has been used
to measure the three-dimensional displacement fields around quasi-static propagating …

[HTML][HTML] Crack propagation in fine grained graphites under mode I and mixed-mode loading, as observed in situ by microtomography

X Jin, TJ Marrow, J Wang, Y Chen, H Chen, D Scotson… - Carbon, 2022 - Elsevier
Stable crack growth under mode I and mixed-mode loading of two fine grained advanced
graphites, SNG742 and T220, has been studied within small (18 mm diameter) specimens of …

Evaluations of J-integral of nuclear graphite combining experimental and numerical methods

Z Yu, RKL Su, H Chen, J Shen, DKL Tsang - Theoretical and Applied …, 2023 - Elsevier
Three-point bending tests were performed on centrally notched graphite beams to study the
fracture properties of nuclear graphite. Electronic speckle pattern interferometry (ESPI) was …

Predicting and visualizing crack propagation in nuclear graphite

G Liu, K Hattar, W Windes, A Haque, J Du - Journal of Nuclear Materials, 2024 - Elsevier
Nuclear graphite exhibits a complex fracture behavior due to the presence of defects
ranging from nanoscale basal cracks to sub-millimeter scale voids as well as the …

The effect of molten FLiNaK salt infiltration on the strength of graphite

C Zhang, Z He, Y Gao, H Tang, W Qi, J Song… - Journal of Nuclear …, 2018 - Elsevier
Graphite has been identified as a structural and neutron-moderator material in the molten
salt reactor (MSR). In order to support the structural material development for MSR, the …