Results 41 to 50 of about 16,620,600 (346)

Realization of High Efficiency and Low Damage Machining of Anisotropic KDP Crystal by Grinding [PDF]

, 2019
Potassium dihydrogen phosphate (KDP) is a non-linear material used in various opto-electronic applications including Q-switches, high-speed photography shutters, frequency harmonic generation lens and Pockels cells in the Inertial Confinement Fusion (ICF)
Cai, Rui, Jin, Tan, Lu, Ange, Qu, Meina, Xie, Guizhi   +4 more
core   +1 more source

Spin-filter tunnel junction with matched Fermi surfaces [PDF]

, 2012
Efficient injection of spin-polarized current into a semiconductor is a basic prerequisite for building semiconductor-based spintronic devices. Here, we use inelastic electron tunneling spectroscopy to show that the efficiency of spin-filter-type spin ...
54597, 54598, 54599, 54600, 54601, 54602, 54603, 54604, Harada, T., Koinuma, H., Lippmaa, M., Matsumoto, Y., Muto, S., Ohkubo, I., Oshima, M., Sakurai, Y.   +15 more
core   +2 more sources

Effects of Sc on laser hot-wire welding performance of 7075 aluminum alloy

Materials Research Express, 2020
In order to clarify the effects of Sc modification on laser hot-wire welding performance of 7075 high strength aluminum alloys, the changing rules of weld formation, microstructure, element loss, mechanical performances and pores of weld joints were ...
Shichun Li, Wei Xu, Gang Xiao, Zhenhong Zhou, Fei Su, Jianghua Feng   +5 more
doaj   +1 more source

On the efficiency of caloric materials in direct comparison with exergetic grades of compressors

JPhys Energy, 2023
Efficiency improvements in heat pump can drastically reduce global energy demand. Caloric heat pumps are currently being investigated as a potentially more efficient alternative to vapor compression systems.
Jan Schipper, David Bach, Stefan Mönch, Christian Molin, Sylvia Gebhardt, Jürgen Wöllenstein, Olaf Schäfer-Welsen, Christian Vogel, Robin Langebach, Kilian Bartholomé   +9 more
doaj   +1 more source

Robust modeling of material flows to end‐uses under uncertainty: UK wood flows and material efficiency opportunities

Journal of Industrial Ecology
In this study we quantify wood flows from raw materials to end‐uses for the United Kingdom in a robust way using a new material flow analysis (MFA) model with uncertainty.
R. L. Anspach, S. Allen, R. Lupton
semanticscholar   +1 more source

A Study on Tooth Wear Mechanisms During the Bandsawing of Cr12MoV with a Bimetal Bandsaw Blade

Crystals
Bandsaw blades are typical band-shaped cutting tools that are characterized by their low stiffness and micro-level cutting depth, resulting in distinct wear mechanisms compared to rigid cutting tools.
Yuzhen Jia, Jigang Wu, Yuqiang Chen, Bing Chen, Guoyue Liu, Zhiyong Ouyang   +5 more
doaj   +1 more source

Trajectory planning of deep-cutting laser profiling of superabrasive profile grinding wheels

Engineering Science and Technology, an International Journal, 2023
The low profiling efficiency is the key barrier to the industrial application of laser dressing technology for profile grinding wheels. In this paper, the trajectory planning method of deep-cutting laser profiling was proposed for the first time, the ...
Hui Deng, Chuan He, Weiqi Liu, Wei Xiong
doaj   +1 more source

Effect of the shell material and confinement type on the conversion efficiency of the core/shell quantum dot nanocrystal solar cells

, 2018
In this study, effects of the shell material and confinement type on the conversion efficiency of the core/shell quantum dot nanocrystal (QDNC) solar cells have been investigated in a detail manner.
Sahin, Mehmet
core   +1 more source

Numerical Simulation and Process Optimization of Laser Welding in 6056 Aluminum Alloy T-Joints

Crystals
This paper conducts a numerical simulation of the laser welding process for 6056 aluminum alloy stringers and skin T-joints using Simufact Welding. Initially, the accuracy of the finite element simulation is validated, followed by an exploration of the ...
Jin Peng, Shihua Xie, Tiejun Chen, Xingxing Wang, Xiaokai Yu, Luqiang Yang, Zenglei Ni, Zicheng Ling, Zhipeng Yuan, Jianjun Shi, Zhibin Yang   +10 more
doaj   +1 more source

High index contrast photonic platforms for on-chip Raman spectroscopy [PDF]

, 2019
Nanophotonic waveguide enhanced Raman spectroscopy (NWERS) is a sensing technique that uses a highly confined waveguide mode to excite and collect the Raman scattered signal from molecules in close vicinity of the waveguide. The most important parameters
Baets, Roel, Blumenthal, Daniel J, Clemmen, Stéphane, de Goede, Michiel, Garcia-Blanco, Sonia M, Le Thomas, Nicolas, Liu, Chengyu, Raza, Ali, Skirtach, Andre, Suntivich, Jin, Tong, Amy SK, Wilkinson, James S, Wuytens, Pieter   +12 more
core   +2 more sources