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A critical examination of three-point bending for determining Young’s modulus
International Journal of Pharmaceutics, 2022The three point bending method is commonly used for determining Young's modulus, E. However, the literature E values of some common pharmaceutical excipients, determined by three point bending, exhibit orders of magnitude variability that cannot be fully explained by normal variations in material properties.
Chenguang Wang, Changquan Calvin Sun
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Three-Point Bending Test of Fiber Posts
Journal of Endodontics, 2001Five different types of fiber posts (carbon fiber Composipost radio-opaque, quartz fiber Aestheti-Plus, carbon fiber Carbotech, glass fiber Light post, and silica fiber Snowpost) were submitted to a three-point bending test after being stored for 1 yr under three different conditions: dry storage at room temperature, storage in 37 degrees C water, and ...
Mannocci, F, Sherriff, M, Watson, T F
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Three-Point Bending at Large Deflections
Journal of Testing and Evaluation, 1977Abstract A complete investigation of three-point bending at large deflections was attempted with the view of applying it as a test method for the determination of the effective modulus of elasticity of materials. A general solution of the problem was attempted by considering friction forces at the supports, axial forces along the beams ...
PS Theocaris, SA Paipetis, S Paolinelis
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Computer-Aided Three-Point Bending of Multsiple-Bend Profiles
CIRP Annals, 1985A computer-aided technique is used to determine the optimum bending sequence for the forming of multiple bend profiles, taking account of the relative importance of handling and accuracy. Transfer of the bending sequence data to the press brake and to the integrated handling device is performed automatically.
J. Reissner, M. Meier, H.J. Renker
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An improved three-point bending method by nanoindentation
Surface and Coatings Technology, 2003Hard thin coatings are used at both ambient and high temperatures to protect the underlying components from aggressive environments such as corrosion and wear. Commercial hard thin coatings, developed by physical vapour deposition, are typically of the order of 5 μm thick or less but, in order to estimate the stresses generated in the coating when the ...
M. Fátima Vales Silva +2 more
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Three-Point Bending Fracture Behaviors of Bamboo
Advanced Materials Research, 2011Bamboo is a typical natural building material, which is longitudinally reinforced by robust fibers. This present paper focuses on the three-point bending fracture behavior of bamboo across and along fiber lengths with dense fiber layer upward and downward.
Yuan Lin An +3 more
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Three-point bending Young's modulus of nanowires
Measurement Science and Technology, 2008The three-point bending Young's modulus (E) of nanowires was studied by a finite element method. It was found that the constraint conditions at the nanowire ends, the ratio of the suspended length of the wire to the wire diameter and the deflection of the wire all work together to contribute to the measurement errors of the Young's modulus. Yielding of
Zhou, Ping, Wu, Chengwei, Li, Xiaodong
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More on compliance of the three-point bend specimen
International Journal of Fracture, 1985Abstract : Comparison and analysis of load-line displacement for the three-point bend specimen was performed. Expressions were developed for displacement as a function of crack length and for crack length as a function of displacement.
John H. Underwood +2 more
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