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Showing 1 to 20 of 23 for “"three-point bending test"”.
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Characterisation of anode supported microtubular SOFC process on pure methane reduction and operation
… hydrogen. To measure mechanical strength, the three point bending test was employed. Temperature programmed oxidation (TPO) results were investigated to measure the carbon deposition on the anode in order to assess potential damage to the cermet catalyst. Also field emission scanning electron …
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Experimental study of fracture energy for foamed concrete
… specimens with U-notch and V-notch through a three-point bending test. Fifty-two (52) foamed concrete beam specimens with 100 mm x 100 mm x 800 mm in length with a density of 1600 kg/m³ were cast. The foamed concrete compressive strength of approximately 9 to 10 MPa was achieved at 28 days. Of …
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Comparing the deflection of different colored glass strips
… affects how easy the glass is to work with. A three-point bending test was performed at 582°C (1080°F) for strips of transparent red, clear, black, transparent blue, and white glass. The deflection of the center point of each strip of glass was measured as the temperature was held constant. A …
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Investigation of cork as filler for fiber-reinforced composite material in kayaks
… prepared by vacuum bagging. Samples undergo a three-point bending test (ASTM D79o) and a Charpy impact test (ASTM D611o) to investigate maximum flexural stress, effective elastic modulus, and impact resistance. Fiberglass-epoxy samples serve as the control for comparing the results of the cork …
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Development and evaluation of glass fiber-reinforced composite/wood railroad crossties
… a length of 20 in. before subjecting them to three point bending test. These tests were conducted on half scale samples, before and after accelerated aging conditions.;To study the performance of GFRC full scale crossties, fatigue testing was carried out on full scale non-wrapped and GFRC …
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Characterization of new particulate MMC materials and bolted joints through applicable ASTM standards
… a mass of ceramic reinforcement particles. Basic tests like tension test, three point bending test, hardness tests and coefficient of thermal expansion are conducted according to the ASTM standards in order to characterize the material. All these tests are conducted for the matrix alloy, for 30% …
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Mechanical characterization of BAAM extruded rPET: impact of screw speed and methods for measuring Young’s modulus
… screw speeds: 90 and 115 rpm. Two distinct test methods, a simplified three-point bending test and uniaxial tensile test, were utilized to determine the Young’s modulus of the samples. The results indicate that the Young’s modulus of the samples extruded at 90 rpm was consistently greater …
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Comparing flexural strength of acrylic processed by three different techniques
… of denture base acrylic resin processed by three different techniques: Conventional Pressure-Pack (compression molded) method, Injection molded (SR-Ivocap), and Computer Aided Design - Computer Assisted Manufacturing (CAD/CAM) (AvaDent(TM) Digital Dentures).;Methods: A total of 45 specimens …
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Mechanical properties of a new zinc-reinforced glass ionomer restorative material
… material (ChemFil Rock, (Dentsply)), with three commercially available glass ionomers (GICs); Fuji IX GP Extra (GC America), Ketac Molar (3M ESPE) and EQUIA Fil (GC America). A resin composite, Premise (Kerr), was included as a control group except for fracture toughness. Methods: Fracture …
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HYGROTHERMALLY-INDUCED DELAMINATION AND CRACKING IN PLASTIC IC PACKAGES
… IC packages using a stress-based criterion. 4 Three-dimensional bygrothermal stress analysis during moisture preconditioning and solder reflow. 5 Development of a modified J-integral which incorporates both thermal and hygro stresses and a methodology for predicting the onset of delamination in …
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Automation of Orthodontic Wire Tester for Performing Three Point Bending Tests
… treatment. An accurate method to study the threedimensional (3D) force systems and the resulting movements of teeth during orthodontic treatment is needed along with the understanding of the material properties of any orthodontic wire. Until recently, most of the orthodontic biomechanics …
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A Biomimic Self-healing Shape Memory Polymer Based Syntactic Foam for Smart Structural Composites
… in humans. A new methodology to fabricate three-dimensional (3-D) fiber reinforced shape memory polymer syntactic foam for structural applications was developed. The effect of impact energy on the ability for the 3-D fiber reinforced PSMP syntactic foam (PSMP-SF) panels to seal cracks and …
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Multiscale characterization of mechanical and fracture properties of cortical bone specimens
… a whole bone at the macroscale. Several fracture testing methods are available including the three-point bending test, the compact tension test and the double cantilever test. However, these methods are confined to the macroscopic scale. At the microscopic scale, Vickers Fracture Indentation was …
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Enhancing bone healing through concurrent anabolic- and anti-catabolic pharmacological treatment
… superior healing compared with the others. All three treatments increased the healing rate from 60 % to 100 %. The autograft group reached half the strength compared with the non-operated controls, while the autograft+BMP-7 and the autograft+BMP-7+ZOL equaled and doubled the strength of the …
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The effect of compositional and geometrical changes to the bending strength of the Ghanaian ceramic pot filter
… this critical problem, the author performed a three-point bending test on rectangular-prism clay samples with varying recipes and thicknesses in an attempt to determine bending strengths associated with the recipes with the aim of moderating the lip failure due to the possible failure mechanism …
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Flexural strength and shear bond strength of self-etching/self-adhesive resin luting agents
… agents. The objective of this study was to test some mechanical properties of four of these self-etching/self-adhesive resin luting agents [Maxcem Elite (ME), Multilink Automix (MA), RelyX Unicem (RU), SmartCem 2 (SC)] and compare them to a traditional etch and rinse resin luting agent …
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Phase-field modeling of fracture: regularization length insensitivity and mixed mode ductile fracture
… validated against experimental results from a three-point bending test on concrete and an in-plane shear test on steel. These models are capable of predicting crack propagation in a wide range of materials and structures. Additionally, for the first time, we developed a mixed-mode phase-field …
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Global-local Finite Element Fracture Analysis of Curvilinearly Stiffened Panels and Adhesive Joints
… using a global-local finite element method under three different load cases: a) a shear load, b) a normal load, and c) a combined shear and normal loads. It was observed that 85% data storage space and the same amount in CPU time requirement could be saved using global-local finite element method …
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Development and Validation of a Child Finite Element Model for Use in Pedestrian Accident Simulations
… car-to-pedestrian accidents. Several sub-system tests (head, upper and lower legs) were developed for pedestrian protection in Asia and Europe. However, with exception of a child headform impact test, all other subsystem tests are designed for prediction of adult pedestrian injuries. Due to …
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Development of a New Environmentally Friendly Glass Fibre Reinforced Cold Mix Microasphalt with High Resistance to Cracking and Deformation.
… was probed. The investigation was divided into three main areas of study. They were i) the physical, ii) chemical characterisation of glass fibres, aggregates, bitumen emulsion, primary & secondary filler, and iii) mechanical testing of control microasphalt, glass fibre reinforced cold mix …
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