Search Results - "Fok, S. L."

Graphite thermal expansion relationship for different temperature ranges by Tsang, D.K.L., Marsden, B.J., Fok, S.L., Hall, G.

“…For practical reasons, the coefficient of thermal expansion (CTE) has to be measured over a particular temperature range, for example 20–120 °C, 20–400 °C or…”
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Determination of the tension softening curve of nuclear graphites using the incremental displacement collocation method by Su, R.K.L., Chen, H.H., Fok, S.L., Li, H., Singh, G., Sun, L., Shi, L.

“…The fracture properties of two nuclear-grade graphites, the Japanese IG11 graphite and Chinese NG-CT-01 graphite, were evaluated under flexural conditions…”
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Digital image correlation analysis of the load transfer by implant-supported restorations by Tiossi, Rodrigo, Lin, Lianshan, Rodrigues, Renata C.S, Heo, Young C, Conrad, Heather J, de Mattos, Maria da Gloria C, Ribeiro, Ricardo F, Fok, Alex S.L

“…Abstract This study compared splinted and non-splinted implant-supported prosthesis with and without a distal proximal contact using a digital image…”
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Application of digital image correlation to full-field measurement of shrinkage strain of dental composites by Li, Jian-ying, Lau, Andrew, Fok, Alex S. L.

“…Objectives： Polymerization shrinkage of dental composites remains a major concern in restorative dentistry because it can lead to micro-cracking of the tooth…”
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Fatigue analysis of restored teeth longitudinally cracked under cyclic loading by Lin, Fei, Ordinola-Zapata, Ronald, Ye, Ning, Xu, Haiping, Fok, Alex S.L.

“…•The mechanisms of longitudinal dentinal cracking of restored teeth under cyclic mechanical loading was investigated.•The fatigue behavior of restored teeth…”
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Shrinkage stress and cuspal deflection in MOD restorations: analytical solutions and design guidelines by Aregawi, Wondwosen A., Fok, Alex S.L.

“…•The interfacial stress at the cavity floor increases exponentially with the resin composite’s thickness.•Cuspal deflection reduces with stiffness of cavity…”
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A comparison of 2D and 3D finite element analysis of a restored tooth by ROMEED, S. A., FOK, S. L., WILSON, N. H. F.

“…summary  The finite element method is widely used in dental research. The decision to use two‐dimensional (2D) or three‐dimensional (3D) modelling is dependent…”
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Numerical modelling of the effects of porosity changes on the mechanical properties of nuclear graphite by Berre, C., Fok, S.L., Marsden, B.J., Babout, L., Hodgkins, A., Marrow, T.J., Mummery, P.M.

“…Finite Element (FE) models based on three-dimensional images from X-ray tomography are used to study the relationships between the microstructure and the bulk…”
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Microstructural modelling of nuclear graphite using multi-phase models by Berre, C., Fok, S.L., Marsden, B.J., Mummery, P.M., Marrow, T.J., Neighbour, G.B.

“…This paper presents a new modelling technique using three-dimensional multi-phase finite element models in which meshes representing the microstructure of…”
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A new method to test the fracture strength of endodontically-treated root dentin by Xu, Haiping, Ye, Ning, Lin, Fei, Heo, Young Cheul, Fok, Alex S.L.

“…•A new method to measure the fracture strength of treated root dentin is presented.•Root dentin discs are fractured with a tapered plunger through the…”
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Determination of coefficients of the crack tip asymptotic field by fractal hybrid finite elements by Su, R.K.L., Fok, S.L.

“…This paper applies the fractal finite element method (FFEM) together with 9-node Lagrangian hybrid elements to the calculation of linear elastic crack tip…”
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Relationship between Canal Enlargement and Fracture Load of Root Dentin Sections by Munari, Lais S., Bowles, Walter R., Fok, Alex S.L.

“…To investigate the effect of endodontic instrumentation on fracture susceptibility of root dentin using experiments and stress analysis. Root canals of lower…”
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The microstructural modelling of nuclear grade graphite by Hall, G., Marsden, B.J., Fok, S.L.

“…By using the finite element method it has been possible to simulate irradiation-induced property changes, namely dimensional and Young’s modulus changes, from…”
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Fracture mechanics of circular discs with a V-notch subjected to wedging by Aregawi, Wondwosen, Darvell, Brian W., Fok, Alex S.L.

“…A method proposed for determining the fracture toughness (FT) of dental materials involves a ‘roller’ wedging open a V-notch in a cylindrical specimen. There…”
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The two sides of the C-factor by Fok, Alex S.L., Aregawi, Wondwosen A.

“…The aim of this paper is to investigate the effects on shrinkage strain/stress development of the lateral constraints at the bonded surfaces of resin composite…”
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1/(2 + Rc ): A simple predictive formula for laboratory shrinkage-stress measurement by Aregawi, Wondwosen A, Fok, Alex S.L

“…Abstract Objective This paper presents and verifies a simple predictive formula for laboratory shrinkage-stress measurement in dental composites that can…”
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Numerical simulation of strength test on graphite moderator bricks using a continuum damage mechanics model by Zou, Z., Fok, S.L., Marsden, B.J., Oyadiji, S.O.

“…Experimental tests on graphite moderator bricks with keyways have been simulated using a failure model recently developed by the authors based on continuum…”
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Finite element analysis of fixed partial denture replacement by Romeed, S. A., Fok, S. L., Wilson, N. H. F.

“…summary  The purpose of this study was to investigate, by means of the finite element method the mechanical behaviour of three designs of fixed partial denture…”
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A numerical study on the application of the Weibull theory to brittle materials by Fok, S.L, Mitchell, B.C, Smart, J, Marsden, B.J

“…In this paper, the effects of assuming that a brittle material can be modelled by the two-parameter Weibull distribution, if the true representation of the…”
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Fracture behavior of nuclear graphite under three-point bending tests by Chen, H.H.N., Su, R.K.L., Fok, S.L., Zhang, H.G.

“…•ESPI was used to measure the full-field deformation of graphite beams.•The displacement contours, changes in the neutral axis, COD profiles, and strain…”
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