Results 211 to 220 of about 125,818 (246)
Advanced Functional Materials, EarlyView.Ru single atoms and RuP nanoclusters are co‐anchored in N, P, and B co‐doped porous carbon nanospheres via in situ carbonization/phosphidation of a boronate polymer precursor. RuP activates water, while nearby Ru single atoms accelerate H2 formation through H* transfer. The catalyst delivers low overpotential and high durability in alkaline HER and AEM
Xiaohong Wang +13 more
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Advanced Functional Materials, EarlyView.This review evaluates strategies for electrochemical CO2 reduction to ethylene, focusing on copper‐based catalyst design and microenvironment modulation to achieve industrial‐grade performance. By leveraging operando synchrotron‐based characterizations, we provide a multiscale understanding of dynamic structural transformations and key reaction ...
Meng Zhang, Zuolong Chen, Yimin A. Wu
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Actuating and Sensing Composites of Liquid Crystal Elastomers and Poly(ionic liquid)s
Advanced Functional Materials, EarlyView.Ionic conductive, mechanically tough, flexible, and stretchable filaments of a composite material comprising a liquid crystal elastomer and a poly(ionic liquid) are produced through 3D printing, which exhibit large actuation strain under stimulation and electrical resistance variation in response to deformation or environmental condition changes. Their
Zeping Liu +6 more
wiley +1 more source
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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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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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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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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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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 Test in Brittle Materials
2003Consider a standard Three-Point Bending (TPB) test carried out on a pre-notched specimen of brittle polymeric material (PMMA). The test geometry is shown in Figure 1, (with dimensions in mm):
A. Carpinteri, B. Chiaia, P. Cornetti
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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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