Publications
127 results found
Mohagheghian I, Wang Y, Zhou J, et al., 2015, Soft impact response of laminated glass plates, 20th International Conference on Composite Materials (ICCM), Publisher: AALBORG UNIV PRESS
Kinloch AJ, Mohammed IK, Charalambides MN, 2014, Modelling the interfacial peeling of pressure-sensitive adhesives, Journal of Non-Newtonian Fluid Mechanics, Vol: 222, Pages: 141-150, ISSN: 1873-2631
Peel tests were performed using specimens which consisted of a polyester backing membrane supporting an acrylic pressure-sensitive adhesive adhered to a polyethylene substrate. Interfacial separation of the PSA from the polyethylene substrate was observed. Finite element (FE) peeling simulations were conducted which modelled the backing-membrane as an elasto-plastic power-law material, the adhesive as a viscoelastic material and the interfacial properties with a cohesive zone model (CZM). The material properties of the backing membrane and the pressure-sensitive adhesive were measured from tensile and stress relaxation experiments. The cohesive zone parameters were calculated analytically from the peel test data, as well as being measured directly from independent poker-chip probe tack tests. The numerical results from the CZM/FE simulations and the experimental values of the peel forces as a function of the peel angle were found to be in good agreement.
Mohammed IK, Charalambides MN, Williams JG, et al., 2014, Modelling the microstructural evolution and fracture of a brittle confectionery wafer in compression, INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES, Vol: 24, Pages: 48-60, ISSN: 1466-8564
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- Citations: 22
Tantideeravit S, Charalambides MN, Balint DS, et al., 2013, Prediction of delamination in multilayer artist paints under low amplitude fatigue loading, ENGINEERING FRACTURE MECHANICS, Vol: 112, Pages: 41-57, ISSN: 0013-7944
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- Citations: 12
Mohammed IK, Charalambides MN, Williams JG, et al., 2013, Modelling the deformation of a confectionery wafer as a non-uniform sandwich structure, JOURNAL OF MATERIALS SCIENCE, Vol: 48, Pages: 2462-2478, ISSN: 0022-2461
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- Citations: 10
Arora H, Charalambides MN, Tarleton E, et al., 2013, An image based approach to modelling plastic bonded explosives (PBX) on the micro scale, Pages: 5391-5397
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- Citations: 4
Mohammed MAP, Tarleton E, Charalambides MN, et al., 2013, Mechanical characterization and micromechanical modeling of bread dough, JOURNAL OF RHEOLOGY, Vol: 57, Pages: 249-272, ISSN: 0148-6055
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- Citations: 61
Tarleton E, Charalambides MN, Leppard C, et al., 2013, Micromechanical modelling of alumina trihydrate filled poly (methyl methacrylate) composites, International Journal of Materials and Structural Integrity, Vol: 7, Pages: 31-47, ISSN: 1745-0055
The microstructure of a binary composite consisting of stiff particles embedded in a matrix was modelled using finite element analysis. A regular square mesh was generated and an image of the microstructure was used to assign the appropriate material parameters to each integration point depending on its location relative to the original image. The same image was also used to find the particle size distribution of the filler which was used to recreate a simulated microstructure with the same volume fraction. The simulated microstructure represented the filler particles as circles with diameters ranging from 1 μm to 95 μm. The size and position of each filler particle was used to generate a model by explicitly meshing each particle boundary. The simulated microstructure reproduced the same strain values under tension as the original microstructural image, the implication being that it is possible to model a microstructure when a clear image is not available provided statistical size distribution data is available. The predicted composite modulus was compared to experimental values obtained from tensile tests available in the literature and to analytic predictions. The strain fields were compared to digital image correlation analysis of images obtained from tensile tests performed using in-situ SEM.
Tarleton E, Charalambides MN, Leppard C, 2012, Image-based modelling of binary composites, 21st International Workshop on Computational Mechanics of Materials (IWCMM), Publisher: ELSEVIER SCIENCE BV, Pages: 183-186, ISSN: 0927-0256
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- Citations: 22
Hagan EWS, Charalambides MN, Young CRT, et al., 2011, Influence of the inorganic phase concentration and geometry on the viscoelastic properties of latex coatings through the glass-transition, POLYMER, Vol: 52, Pages: 1662-1673, ISSN: 0032-3861
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- Citations: 18
Mohammeda IK, Charalambides MN, Williams JG, et al., 2011, Modelling deformation and fracture in confectionery wafers, 11th International Congress on Engineering and Food (ICEF), Publisher: ELSEVIER SCIENCE BV, Pages: 499-504, ISSN: 2211-601X
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- Citations: 6
Mohammed MAP, Tarleton E, Charalambides MN, et al., 2011, A composite model for wheat flour dough under large deformation, 11th International Congress on Engineering and Food (ICEF), Publisher: ELSEVIER SCIENCE BV, Pages: 492-498, ISSN: 2211-601X
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- Citations: 4
Stapountzi OA, Charalambides MN, Williams JG, 2011, The Fracture Toughness of a Highly Filled Polymer Composite, Symposium on Recent Advances in Mechanics, Publisher: SPRINGER-VERLAG BERLIN, Pages: 447-459
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- Citations: 4
Hagan EWS, Charalambides MN, Young CRT, et al., 2010, Viscoelastic properties of latex paint films in tension: Influence of the inorganic phase and surfactants, PROGRESS IN ORGANIC COATINGS, Vol: 69, Pages: 73-81, ISSN: 0300-9440
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- Citations: 25
Gamonpilas C, Charalambides MN, Williams JG, et al., 2010, PREDICTING THE MECHANICAL BEHAVIOUR OF STARCH GELS THROUGH INVERSE ANALYSIS OF INDENTATION DATA, APPLIED RHEOLOGY, Vol: 20, ISSN: 1430-6395
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- Citations: 14
Gamonpilas C, Charalambides MN, Williams JG, 2009, Determination of large deformation and fracture behaviour of starch gels from conventional and wire cutting experiments, JOURNAL OF MATERIALS SCIENCE, Vol: 44, Pages: 4976-4986, ISSN: 0022-2461
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- Citations: 35
Stapountzi OA, Charalambides MN, Williams JG, 2009, Micromechanical models for stiffness prediction of alumina trihydrate (ATH) reinforced poly (methyl methacrylate) (PMMA): Effect of filler volume fraction and temperature, COMPOSITES SCIENCE AND TECHNOLOGY, Vol: 69, Pages: 2015-2023, ISSN: 0266-3538
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- Citations: 22
Hagan EWS, Charalambides MN, Young CT, et al., 2009, Tensile properties of latex paint films with TiO<sub>2</sub> pigment, MECHANICS OF TIME-DEPENDENT MATERIALS, Vol: 13, Pages: 149-161, ISSN: 1385-2000
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- Citations: 21
Goh SM, Alten S, van Dalen G, et al., 2008, The mechanical properties of model-compacted tablets, JOURNAL OF MATERIALS SCIENCE, Vol: 43, Pages: 7171-7178, ISSN: 0022-2461
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- Citations: 3
Gamonpilas C, Charalambides MN, Williams JG, et al., 2008, Characterisation of fracture behaviour of starch gels using conventional fracture mechanics and wire cutting tests, 15th International Congress on Rheology/80th Annual Meeting of the Society-of-Rheology, Publisher: AMER INST PHYSICS, Pages: 1232-+, ISSN: 0094-243X
Gamonpilas C, Charalambides MN, Williams JG, et al., 2008, Characterisation of large deformation behaviour of starch gels using compression and indentation techniques, 15th International Congress on Rheology/80th Annual Meeting of the Society-of-Rheology, Publisher: AMER INST PHYSICS, Pages: 1189-+, ISSN: 0094-243X
Xiao W, Charalambides MN, Williams JG, 2007, Sheeting of wheat flour dough, INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, Vol: 42, Pages: 699-707, ISSN: 0950-5423
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- Citations: 21
OA Stapountzi, M Charalambides, JG Williams, 2007, EFFECT OF TEMPERATURE AND FILLER VOLUME FRACTION ON THE STIFFNESS OF PARTICLE REINFORCED POLY- METHYL METHACRYLATE, 13th International Conference on Experimental Mechanics(ICEM13), Publisher: Springer, Dordrecht, The Netherlands
Xiao W, Charalambides MN, Williams JG, 2007, Sheeting of wheat flour dough, International Journal of Food Science and Technology, Vol: 42, Pages: 699-707, ISSN: 0950-5423
Charalambides MN, Wanigasooriya L, Williams JG, et al., 2006, Large deformation extensional rheology of bread dough, RHEOL ACTA, Vol: 46, Pages: 239-248, ISSN: 0035-4511
<p>The stress-strain curves of bread dough were derived under uniaxial compression, uniaxial tension and equi-biaxial tension loading conditions. In uniaxial compression, a lubricant was used to eliminate frictional effects between the loading platens and the sample. In uniaxial tension, cylindrical samples with thin flat discs at both ends ('I' samples) were tested. The discs at both ends were allowed to air-dry and were subsequently glued onto the loading platens. In equi-biaxial tension, a thin disc of dough was inflated into a bubble using pressurised air. The thickness at the top of the bubble was measured by shining a light through the walls of the bubble and recording the change in light intensity as the wall becomes thinner. All methods ensured that uniform deformation was obtained. Stress and strain were accurately evaluated using image analysis techniques. The tests were performed at various strain rates and speeds that defined the time dependence of the material. A non-linear viscoelastic model based on the Prony series and Van der Waals hyperelasticity was used to predict all test data. The model had a total of five material parameters and two time constants, which were set to represent the actual time scales of the experiments. A reasonable agreement between the experimental data and the chosen material model was observed.</p>
Charalambides MN, Wanigasooriya L, Williams JG, et al., 2006, Large deformation extensional rheology of bread dough, Rheologica Acta, Vol: 46, Pages: 239-248, ISSN: 0035-4511
Charalambides M, Xiao W, Williams JG, 2006, Rolling of wheat flour dough, 4th International Symposium on Food Rheology and Structure, Pages: 453-458
Goh SM, Charalambides MN, Williams JG, 2005, Characterization of the nonlinear viscoelastic constitutive properties of mild cheddar cheese from indentation tests, JOURNAL OF TEXTURE STUDIES, Vol: 36, Pages: 459-477, ISSN: 0022-4901
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- Citations: 8
Charalambides MN, Goh SM, Wanigasooriya L, et al., 2005, Effect of friction on uniaxial compression of bread dough, JOURNAL OF MATERIALS SCIENCE, Vol: 40, Pages: 3375-3381, ISSN: 0022-2461
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- Citations: 45
Goh SM, Charalambides MN, Williams JG, 2005, On the mechanics of wire cutting of cheese, Conference on Prospects in Fracture in honor of the 65th Birthday of JG Williams, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 931-946, ISSN: 0013-7944
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- Citations: 59
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