Results 21 to 30 of about 85,653 (52)
Gradually stiffer (GS) mechanical metamaterial is a novel kind of adaptive structures under nonlinear varying loads for cushioning and vibration damping in engineering. These man-made metamaterials in applications are usually tailored by trial-and-error.
Mengli Ye, Liang Gao, Hao Li
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Location of unbalance mass and supporting bearing for different type of balance shaft module [PDF]
The dynamic characteristics of balance shaft module is controlled by the design of rotating parts as how to allocate both a unbalance mass and a supporting bearing so that the concept design of a rotor structure is the key issue on determining the ...
C.-J. Kim
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Effect of heat treatment on Fe-B-Si-Nb alloy powder prepared by mechanical alloying
The effect of heat treatment on crystallization behavior of Fe73.5B15Si10Nb1.5 alloy powder prepared by mechanical alloying was studied. The powder samples were prepared by mechanical alloying (MA) and for different milling times (1, 5, 25, 70 and 100 ...
Rodrigo Estevam Coelho +2 more
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Tuning electrical properties of polythiophene/nickel nanocomposites via fabrication
Polythiophene/nickel nanocomposites were synthesized by the electrochemical oxidative polymerization of thiophene in the presence of nickel nanoparticles.
Petronela Pascariu +8 more
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ZrO2 nanoparticles' effects on split tensile strength of self compacting concrete
In the present study, split tensile strength of self compacting concrete with different amount of ZrO2 nanoparticles has been investigated. ZrO2 nanoparticles with the average particle size of 15 nm were added partially to cement paste (Portland cement ...
Ali Nazari, Shadi Riahi
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A new manual wheelchair propulsion system with self-locking capability on ramps [PDF]
A wheelchair user faces many difficulties in their everyday attempts to use ramps, especially those of some length. The present work describes the design and build of a propulsion system for manual wheelchairs for use in ascending or descending long ...
G. R. Jiménez +3 more
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Aluminum-lithium alloys are candidate materials for many aerospace applications because of their high specific strength and elastic modulus. These alloys have several unique characteristics such as excellent fatigue crack growth resistance when compared ...
Elenice Maria Rodrigues +4 more
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Optimization of the magnetic properties of materials for fluxgate sensors
A study was made of the variation of the magnetic properties of cobalt-based alloys using different compositions of CoFeSiB and CoFeSiBCr systems, which were produced by the melt-spinning technique and some of them subjected to a stress annealing ...
Luiz Carlos de Carvalho Benyosef +2 more
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A layer-wise MITC9 finite element for the free-vibration analysis of plates with piezo-patches
The present article considers the free-vibration analysis of plate structures with piezoelectric patches by means of a plate finite element with variable through-the-thickness layer-wise kinematic.
Maria Cinefra +2 more
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The thermophysical properties of hypereutectic Ti63.64Fe36.36 alloy at both normal and undercooled states, including density, volume expansion coefficient, ratio of specific heat to emissivity were measured by electrostatic levitation (ESL) method ...
L.Y. Du +5 more
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