Results 91 to 100 of about 1,242,659 (298)

Transport Properties of Near Surface InAs Two-dimensional Heterostructures

open access: yes, 2019
Two-dimensional electron systems (2DESs) confined to the surface of narrowband semiconductors have attracted great interest since they can easily integrate with superconductivity (or ferromagnetism) enabling new possibilities in hybrid device ...
Jiao, Lucy   +6 more
core   +1 more source

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

open access: yesAdvanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian   +4 more
wiley   +1 more source

System Design and Application of On-board Overhead Catenary Monitoring Device

open access: yes机车电传动, 2020
Overhead catenary is an important device for traction equipments of electrical railway, therefore the condition of overhead catenary will impact the operation safety for the railway. In order to design a set of device on the operating EMUs to monitor the
Wen HE   +4 more
doaj  

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar   +6 more
wiley   +1 more source

Superconducting cascade electron refrigerator

open access: yes, 2014
The design and operation of an electronic cooler based on a combination of superconducting tunnel junctions is described. The cascade extraction of hot-quasiparticles, which stems from the energy gaps of two different superconductors, allows for a normal
Camarasa-Gomez, Maria   +5 more
core   +3 more sources

Adjustment of Coatings Morphology and Particle Distribution of Layered Silicates by Freeze‐Drying for Improved Gas Barriers

open access: yesAdvanced Engineering Materials, EarlyView.
Freeze‐drying of layered silicate is the key to get coatings with superior gas barrier. Freeze‐drying of layered silicates modified with dodecylamine (DDA) is a highly effective technique for the preparation of barrier pigments that significantly mitigate the permeation of oxygen, water vapor, and hydrogen through polymer films containing these ...
Joshua Lommes   +4 more
wiley   +1 more source

磁流变液软启动装置设计研究

open access: yesJixie chuandong, 2013
The principle and design of magneto-rheological fluids soft-starting device with disk construction are introduced.The magnetic property of MRF are studied through integration of Bingham model and curve-fitting,and the formula for torque transfer is ...
王冬冬, 路和, 刘新华, 陈佩佩
doaj  

Design of mine ventilation and dedusting experiment device and PLC monitoring and control system

open access: yesGong-kuang zidonghua, 2014
Based on ventilation environment of laboratory, a set of mine ventilation and dedusting experiment device and PLC monitoring and control system was designed.
HUANG Shouyuan, JIA Anmin
doaj   +1 more source

Innovating Aircraft Repair Processes: The Role of Digitalization in Sustainability

open access: yesAdvanced Engineering Materials, EarlyView.
This research explores how digitalization—by storing detailed non‐destructive testing data in structured DICONDE databases and creating a standard data model of the component—innovates aviation maintenance and repair processes. Coupled with a developed state‐based simulation model, it enables data‐driven, sustainable repair strategies that reduce waste,
Johanna Aigner   +3 more
wiley   +1 more source

A Concept of a Digital and Traceable Manufacturing Documentation Based on Formalized Process Description Applied on Composite Aircraft Moveable

open access: yesAdvanced Engineering Materials, EarlyView.
The documentation of component manufacture has become an essential part of today's production processes, especially for the analysis and optimization of production or component design with regard to structural performance, economic efficiency, and sustainability.
Björn Denker   +4 more
wiley   +1 more source

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