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Showing 1 to 18 of 18 for “"Flexure strength"”.
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Tensile and Flexure Strength of Unidirectional Fiber-Reinforced Composites: Direct Numerical Simulations and Analytic Models
… composites is used to predict the tensile strength of metal matrix composites consisting of a Titanium matrix and unidirectionally aligned SiC fibers. This model is extended to include the effects of free boundary conditions and non-constant load gradients and then used to predict the …
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Structure, property, and processing relationships of CMZP - [(Ca<sub>0.6</sub>,Mg<sub>0.4</sub>)Zr₄(PO₄)₆]
… optimized to yield the highest room temperature flexure strength. Mechanical properties of the hot pressed CMZP at room temperature were: (1) a four-point flexure strength of 124.77 MPa, (2) an elastic modulus of 118.45 GPa, and (3) a Weibull modulus of 10.7. At 850°C, the flexure strength and …
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Kajian terhadap sifat mekanik bagi jenis corak pengisian dalam proses pembuatan tiga demensi
… to the ISO standard for tensile test and flexure test. The results show that marrocanstar have high tensile strength with value 589.41N for maximum force and percentage infill at 80%, while for flexure strength, infill pattern marrocanstar with value 108.82N at percentage infill 40%.
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Rolling contact fatigue of silicon nitride.
… have been carried out to link the surface strengths of Silicon Nitride derived from half-rod and C-Sphere flexure strength specimens to the rolling contact lives of Silicon Nitride rod and ball specimens. The rolling contact fatigue tests were carried out on ball-on-rod and modified …
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Damage evaluation in dimension limestone using nonlinear ultrasonics
… In addition, the test samples’ degradation of flexure strength due to damage accumulation caused by the exposure to increasing levels of temperature was also obtained using four-point bending tests. Results using the currently used non-collinear ultrasonic wave mixing approach correlate well …
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Processing, microstructure, and mechanical properties of zirconium diboride-molybdenum disilicide ceramics and dual composite architectures
… 1500⁰C. Elastic moduli, fracture toughness, and flexure strength were measured at RT and 1500⁰C for 15 ZrB<sub>2</sub>-MoSi<sub>2</sub> ceramics hot pressed using fine, medium, or coarse ZrB<sub>2</sub> starting powder with 5-70 vol.% MoSi<sub>2</sub>, referred to as FX, MX, and CX respectively …
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An Investigation of the Structure-Property Relationships for High Performance Thermoplastic Matrix, Carbon Fiber Composites with a Tailored Polyimide Interphase
… polyamic acid salts were used. The transverse flexure strength was used to qualitatively rank the composites by level of interfacial shear strength. The longitudinal tensile strength of the composites was shown to vary with relative interfacial shear strength. The trend of these data …
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Preparation, microstructure and properties of silicon carbide-dysprosia composites
… were: modulus of elasticity, hardness, flexure strength and fracture toughness. The hardness of the composites was determined using the Vickers indentation method. Elastic properties were determined by the ultrasonic pulse echo technique. Flexure strengths were determined using four …
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Elevated temperature mechanical properties of zirconium diboride based ceramics
… of ZrB₂ based ceramic at elevated temperatures. Flexure strength, fracture toughness, and elastic modulus were measured at temperatures up to 2300ºC for three compositions: monolithic ZrB₂ (Z); ZrB₂ - 30 vol% SiC - 2 vol% B₄ C (ZS); and ZrB₂ - 10 vol% ZrC (ZC). In argon, Z, ZS, and ZC had …
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Fusion welding of diboride-carbide ceramic composites
… sizes within the FZ were observed to affect the strength of weldments. PM flexure strengths were measured to be ~660 MPa and strengths were observed to drop to ~140 MPa for PAW weldments and ~170 MPa for PPAW weldments. Diffusion of C into the melt pool was observed to hinder ZrB<sub>2</sub> …
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Techniques of seismic retrofitting for concrete structures
… hinge regions creating potential failures in flexure strength and/or ductility, and in shear. Other critical structural elements include, but are not limited to, gravity design frames, footings, shear walls, connections, and beams. There are two major categories of retrofit options for …
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Thermoplastic Sizings: Effects on Processing, Mechanical Performance, and Interphase Formation in Pultruded Carbon Fiber/Vinyl-Ester Composites
… sizing G' by at least 25% in static tensile strength, 11% in longitudinal flexure strength, and 30% in short beam shear strength. All moduli were found to be unaffected by the addition of a sizing. The interphase formed in K-90 PVP sized carbon fiber composites was fundamentally predicted …
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The Effect of Atmospheric Aging on a Hybrid Polymer Matrix Composites' Material Properties
… assess the effect that aging had on the static flexure strength of the hybrid composite.</p> <p>It was found that the magnitude in static and fatigue material property reduction increased with aging time, and was dictated by which aging mechanism was dominant. Microstructural changes revealed …
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Exploring the variability in mechanical property testing of dental resin composites
… identified a wide variation in the bi-axial flexure strength (BFS) of commercial and experimental RBCs with respect to deformation rate with a complex relationship between resin constituents and filler morphology. Experimental unfilled resins revealed deformation rate dependence in BFS …
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Geopolymer composites and their applications in stress wave mitigation
… However, the brittleness and relatively lower strength limited the use of geopolymer in certain applications. Therefore, short carbon fibers (60 and 100 μm) have been introduced to reinforce the mechanical properties of potassium based geopolymer. The proper mixing and drying conditions of …
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Micro- and Nanostructured Polymeric Materials for art protection and Restoration
… exhibited an increment of the stiffness and the flexure strength under quasi-static and impact conditions and, additionally, a systematic enhancement of the radial and tangential surface hardness almost up to the intact wood values was observed. In the last part of this thesis, the practical …
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Comportamiento mecánico de materiales celulares de carburo de silicio
… of cellular SiC (elastic modulus, compression strength, flexure strength and fracture toughness) and its microstructure. Likewise, the evolution of its mechanical behaviour with temperature (between 25 and 1400 °C) is also analysed. The two kinds of cellular SiC that were selected for this …
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Rheology of grout for preplaced aggregate concrete. Investigation on the effect of different materials on the rheology of Portland cement based grouts and their role in the production of preplaced aggregate concrete.
… and PAC then produced and their compressive strength and sorptivity were tested. Grout rheology can be defined by the rheology of cement paste employed and the internal distance between sand particles. The effect of sand surface texture on grout rheology is important at very low internal …