Results 131 to 140 of about 14,330 (163)
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Impact of Torsional and Bending Inertia on Root Canal Instruments
Journal of Endodontics, 2001The laws of applied mechanics can be used to analyze and predict the behavior of mechanical parts subjected to strain and distortion, such as endodontic instruments. Simple mathematical formulas can be used to represent the impact of torsional and bending inertias on stresses in endodontic instruments being used in root canals.
Y L, Turpin +4 more
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Impact Response of Torsionally Coupled Base-isolated Structures
Journal of Vibration and Control, 2010The seismic response of a single-story asymmetric structure supported on various base isolation systems during impact with adjacent structures is investigated. Eccentricities arising due to elastic forces in the columns at the top-deck and the restoring forces in the isolation systems at the base-raft are considered.
MATSAGAR, VA, JANGID, RS
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Torsional Constraints of DNA Substrates Impact Cas9 Cleavage
Journal of the American Chemical Society, 2016To examine the effect of the torsional constraints imposed on DNA substrates on Cas9 cleavage, we prepared constrained DNA substrates using a DNA origami frame. By fixing the dsDNA at the connectors of the DNA frame, we created torsionally constrained or relaxed substrates.
Räz MH +4 more
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Impact of Torsion on Flexible Interconnects
2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2022Ekrem Altinozen +2 more
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Experimental study of torsional impact fatigue of shafts
Journal of Sound and Vibration, 2007Abstract This paper presents a methodology to study the fatigue strength of shafts under repeated impacts. The equipment for repeated impacts was designed for torsion tests of shafts for the same loading conditions as in service. The stress concentration effect, due to a fillet radius between square and circular cross-sections of the axle, was ...
Ion Dumitru +2 more
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Dynamic Modeling of Torsional Impact and its Stiffness Measurement for Impact Wrench
Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, 2015Impact wrench is a popular hand tool whose mechanism is featured with impact characterized by short time duration and large contact torque. The nonlinear impact problem has drawn researchers’ interests for a long time and the investigation is still undergoing.
Shengli Zhang, Jiong Tang
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Torsional Impacts on Quaterthiophene Segments Confined within Peptidic Nanostructures
Langmuir, 2019The co-assembly behavior of peptide-π-peptide and peptide-alkyl-peptide triblock molecules that form one-dimensional (1D) nanostructures under acidic, aqueous environments is dependent on the peptide sequence and the torsional constraints imposed within the nanomaterial volume.
Tejaswini S. Kale +3 more
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An impact rotary motor based on a fiber torsional piezoelectric actuator
Review of Scientific Instruments, 2009A prototype small impact rotary motor has been fabricated based on a newly developed torsional actuator which is 15.0 mm long and 1.0 mm in diameter. The motor can rotate when it is powered with a saw-shaped voltage. The experimental results show that its angular speed is proportional to both the driving voltage’s amplitude and the frequency under 1 ...
W X, Han +4 more
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Torsional vibration induced with the position dependent impacts
2022The important issue of the torsional vibration induced with impacts which depend on position is investigated in terms of nonlinearities that can still be handled with modal superposition. The considered models involve non-classical damping and rigid body modes.
Sedlar, Damir +2 more
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Impact resisting mechanism of tension–torsion coupling metamaterials
International Journal of Mechanical Sciences, 2023Liang Meng +7 more
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