Results 11 to 20 of about 2,290,689 (312)

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

Life and stability testing of packaged low-cost energy storage materials [PDF]

open access: yes, 1980
Thermal cycling and performance tests, performed to verify the package integrity, life, and stability of the chub packaged materials system for storage coolness with application to residential air conditioning, are described. The moisture vapor retention
Frysinger, G. R.
core   +2 more sources

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

Control of hierarchical polymer mechanics with bioinspired metal-coordination dynamics. [PDF]

open access: yes, 2015
In conventional polymer materials, mechanical performance is traditionally engineered via material structure, using motifs such as polymer molecular weight, polymer branching, or block copolymer design.
Barrett, Devin G   +7 more
core   +2 more sources

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

Multiscale, thermomechanical topology optimization of self-supporting cellular structures for porous injection molds [PDF]

open access: yes, 2018
Purpose This paper aims to establish a multiscale topology optimization method for the optimal design of non-periodic, self-supporting cellular structures subjected to thermo-mechanical loads.
Tovar, Andres, Wu, Tong
core   +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

From carbon nanotubes and silicate layers to graphene platelets for polymer nanocomposites [PDF]

open access: yes, 2012
In spite of extensive studies conducted on carbon nanotubes and silicate layers for their polymer-based nanocomposites, the rise of graphene now provides a more promising candidate due to its exceptionally high mechanical performance and electrical and ...
Ajayan   +56 more
core   +1 more source

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