Results 21 to 30 of about 2,290,689 (312)

The thermo-mechanical performance of glass-fibre reinforced Polyamide 66 during glycol-water hydrolysis conditioning [PDF]

open access: yes, 2010
Injection moulded glass-fibre reinforced polyamide 66 composites based on two glass fibre products with different sizing formulations and unreinforced polymer samples have been characterised by dynamic mechanical analysis and unnotched Charpy impact ...
Ali, J.Z., Anderson, J., Thomason, J.L.
core   +1 more source

Novel Strain Sensor in Weft-Knitted Textile for Triggering of Functional Electrical Stimulation

open access: yesEngineering Proceedings, 2023
Functional electrical stimulation (FES) aims to improve the gait pattern in case of foot drop of people suffering chronic diseases, e.g., multiple sclerosis.
Bahareh Abtahi   +6 more
doaj   +1 more source

Impact of air entrainment on the microstructure and mechanical performance of high performance mortar [PDF]

open access: yes, 2014
At the Magnel Laboratory for Concrete Research an intensive vacuum mixer which can regulate the air pressure is available. As such the amount of entrapped air in cementitious materials can be varied.
Boel, Veerle   +2 more
core   +2 more sources

Effect of Morphological Changes due to Increasing Carbon Nanoparticles Content on the Quasi-Static Mechanical Response of Epoxy Resin [PDF]

open access: yes, 2018
Mechanical failure in epoxy polymer and composites leads them to commonly be referred to as inherently brittle due to the presence of polymerization-induced microcrack and microvoids, which are barriers to high-performance applications, e.g., in ...
Thakur, V. K., Yazdani Nezhad, H.
core   +2 more sources

Optimization of Coupling Efficiency in Butterfly Optical Communication Laser Based on Chaotic Adaptive Seeker Optimization Algorithm

open access: yesMicromachines, 2023
A chaotic adaptive seeker optimization algorithm (CASOA) is proposed in this study to improve the coupling efficiency and accuracy of a butterfly optical communication laser. It primarily relies on chaotic disturbance to improve seeker search performance.
Shunshun Zhong   +4 more
doaj   +1 more source

Monitoring the Joint Area of Composite Membrane Materials

open access: yesApplied Sciences, 2019
Textile membranes are suitable for a wide range of applications due to their user-adjustable properties, which can be modified based on both the textile reinforcement structure and the coating material. Complex dynamic loads are involved in typical usage
Hans Winger   +5 more
doaj   +1 more source

Mechanical performance of composite bonded joints in the presence of localised process-induced zero-thickness defects [PDF]

open access: yes, 2018
Processing parameters and environmental conditions can introduce variation into the performance of adhesively bonded joints. The effect of such variation on the mechanical performance of the joints is not well understood.
Addepalli, S.   +4 more
core   +2 more sources

A cleaner production method for laser transmission welding of two transparent PMMA parts using multi-core copper wire

open access: yesJournal of Materials Research and Technology, 2022
Transparent plastic products are very common in food packaging, medical packaging and other fields. Absorber is key factor during laser transmission welding of two transparent parts.
Zhi Chen   +4 more
doaj   +1 more source

SAW torque transducers for disturbance rejection and tracking control of multi-inertia servo-drive systems [PDF]

open access: yes, 2004
The paper proposes a resonance ratio control (RRC) technique for the coordinated motion control of multi-inertia mechanical systems, based on the measurement of shaft torque via a SAW-based torque sensor. Furthermore, a new controller structure, RRC plus
Bingham, C M   +2 more
core   +1 more source

Optimization of the Battery Pack Heat Dissipation Structure of a Battery-Type Loader

open access: yesApplied Sciences, 2022
The development of a battery-type loader is an important research direction in the field of industrial mining equipment. In the energy system, the battery will inevitably encounter the problem of heat dissipation when using high-power electricity.
Shengxian Yi   +3 more
doaj   +1 more source

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