Results 41 to 50 of about 22,087 (289)

Analysis of Pantograph Key Parameters Suitable for 200 km/h Train Overhead Rigid Catenary

open access: yesChengshi guidao jiaotong yanjiu
Objective The compatibility between the ORC (overhead rigid catenary) and the pantograph directly affects the current collection performance of the PC (pantograph-catenary) system.
TIAN Cai, FENG Chao, DAI Hongyu
doaj   +1 more source

Experimental Study on Dry Friction Damping Characteristics of the Steam Turbine Blade Material with Nonconforming Contacts

open access: yesAdvances in Materials Science and Engineering, 2015
An experiment system has been established to study the dry friction damping dynamic characteristics of the steam turbine blade material 1Cr13. The friction dynamic characteristics of the specimens with nonconforming contact surfaces are measured under ...
Jun Wu   +4 more
doaj   +1 more source

Nonlinear Vibration Isolation via a NiTiNOL Wire Rope

open access: yesApplied Sciences, 2021
Vibration isolators with both stiffness and damping nonlinearities show promise for exhibiting compound advantages for broadband vibration isolation. A nonlinear isolator with a NiTiNOL wire rope is proposed with cubic stiffness, hysteretic damping, and ...
Mu-Qing Niu, Li-Qun Chen
doaj   +1 more source

Targeting Post‐Irradiation Thyroid Dysfunction: Electrospun Scaffolds As A Dual‐Action Approach for Antioxidant and Immune Modulation

open access: yesAdvanced Healthcare Materials, EarlyView.
Radiation‐induced hypothyroidism follows head and neck radiotherapy due to oxidative stress and inflammation. Electrospun polycaprolactone scaffolds containing adenosine have potential to modulate thyroid repair. Scaffolds enhance thyrocyte proliferation, antioxidant enzymes glutathione peroxidase and catalase, reduce senescence and apoptosis markers ...
Maria Heim   +5 more
wiley   +1 more source

The MDOF equivalent linear system and its applications in seismic analysis and design of framed structures

open access: yesResilient Cities and Structures
This paper reviews the applications of the multi degree-of-freedom (MDOF) equivalent linear system in seismic analysis and design of planar steel and reinforced concrete framed structures.
E.V. Muho   +3 more
doaj   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

open access: yesAdvanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

THREE-DIMENSIONAL FRACTAL MODEL OF DAMPING FOR TANGENTIAL CONTACT IN JOINT INTERFACES

open access: yesJixie qiangdu, 2021
Based on fractal theory,continuous smooth exponential model of elastic-plastic contact,and considering the influence of friction factors and applying an improved W-M function that simulating three-dimensional fractal profile surface,the fractal model of ...
LAN GuoSheng   +5 more
doaj  

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Experimental investigation of aging effect on damping ratio of high damping rubber bearing [PDF]

open access: yes, 2011
In recent years, high damping rubber (HDR) bridge bearings have been widely used because of the excellent ability to provide high damping as well as flexibility.
Paramashanti   +4 more
core  

Phase Engineering of Atomically Precise Nanoclusters (APNCs) of Gold and Beyond

open access: yesAdvanced Materials, EarlyView.
Engineering the structural phase of materials is of paramount importance for both fundamental research and practical applications. In this Review, we summarize the recent progress in controlling the phases of atomically precise nanoclusters (APNCs) of gold, silver and copper, as well as bimetallic systems. The phase‐enabled material properties of APNCs
Yitong Wang   +4 more
wiley   +1 more source

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