Results 11 to 20 of about 518,370 (269)

Prediction of Grinding Force by an Electroplated Grinding Wheel with Orderly-Micro-Grooves

open access: yesChinese Journal of Mechanical Engineering, 2023
The ability to predict a grinding force is important to control, monitor, and optimize the grinding process. Few theoretical models were developed to predict grinding forces when a structured wheel was used in a grinding process.
Cong Mao   +9 more
doaj   +1 more source

Plastic rod as a promising feed material for enhanced performance of ultrasonic plasticization microinjection molding: Plasticization rate, mechanical and thermal properties

open access: yesPolymer Testing, 2023
A polymer plasticization rate measurement method is proposed for ultrasonic plasticization microinjection molding. The effect of ultrasonic amplitude on the plasticization rate of polypropylene (PP) rods was comprehensively investigated, and the ...
Wangqing Wu   +4 more
doaj   +1 more source

High Sensitive Refractive Index Sensor Based on Cladding Etched Photonic Crystal Fiber Mach-Zehnder Interferometer

open access: yesPhotonic Sensors, 2019
A high sensitive refractive index sensor based on the cladding etched photonic crystal fiber (PCF) Mach-Zehnder interferometer (MZI) is proposed, which is spliced a section of photonic crystal fiber between two single modes fibers (SMFs).The interference
Haifeng Du   +4 more
doaj   +1 more source

Simultaneous Curvature and Temperature Sensing Based on a Novel Mach-Zehnder Interferometer

open access: yesPhotonic Sensors, 2019
A novel fiber inline Mach-Zehnder interferometer (MZI) is proposed for simultaneous measurement of curvature and temperature. The sensor composes of single mode-multimode-dispersion compensation-multimode-single mode fiber (MMF-DCF-MMF) structure, using ...
Xiaoyan Sun   +4 more
doaj   +1 more source

Mechanical Performance of Nickel-titanium Archwires [PDF]

open access: yesMaterials Research, 2015
The purpose of the present work is to compare the mechanical properties of commercially available NiTi orthodontic archwires lots. Superelastic (SE) and heat-activated (HA) NiTi archwires from two lots of six manufacturers (3M, GAC, Tp, Orthosource, Orthometric and Morelli) were partitioned into eleven groups (n=132) and tested under three-point ...
Fernandes, Daniel Jogaib   +3 more
openaire   +5 more sources

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

Multi-fidelity modeling and analysis of a pressurized vessel-pipe-safety valve system based on MOC and surrogate modeling methods

open access: yesNuclear Engineering and Technology, 2023
A pressurized vessel-pipe-safety valve (PVPSV) combination is a commonly used configuration in nuclear power plants, and a good numerical model is essential for the system design, sizing and performance optimization. However, owing to the large-scale and
Xueguan Song   +4 more
doaj   +1 more source

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

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

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