Results 41 to 50 of about 2,459 (299)

Effect of long period stacking ordered phase on damping capacities of as-cast Mg-Zn-Y alloys

Journal of Measurement Science and Instrumentation, 2017
The microstructure and damping capacities of MgZnx Y1.33 x（x=1-4 at.%）alloys were discussed and researched.The main phase composition of the alloys consists ofα-Mg and long-period stacking ordered（LPSO）phase.Due to increased LPSO phase,grain size was ...
LU Ruo-peng, WANG Jing-feng, DING Zhi-bing, ZHAO Yu-hong   +3 more
doaj  

Seismic Performance and Mechanical Mechanism of Steel-Enhanced Damping Concrete Core Wall with Concealed Steel Plate Bracings under Oblique Loading

Advances in Civil Engineering, 2022
This article focuses on the seismic performance and mechanical mechanisms of core walls under biaxial earthquakes. Through the oblique loading test (biaxial loading test) on one 1/6 scale steel-enhanced damping concrete core wall with steel plate ...
Zhangqi Hu, Taohua Chen, Mengfu Wang, Weirong Lu, Ran He   +4 more
doaj   +1 more source

Influence of Geometric Design on Mechanical Performance of Auxetic Metastructure

Advanced Engineering Materials, EarlyView.
Strategic geometric reinforcement transforms auxetic performance. This study evaluates 3D‐printed arrowhead metastructures, revealing that a modified design with local ring reinforcement suppresses premature failure to achieve superior energy absorption and structural efficiency.
Muhammad Gulzari, Supharoek Sornsomrit, Muhammad Ayaz Akbar, Stephan Rudykh   +3 more
wiley   +1 more source

Damping Capacities of Porous Mg-based Ternary Alloys Prepared by a Stir-casting Method

, 2018
A new approach for preparing porous Mg-Al-Sr ternary alloys has been proposed using stir-casting method. Experimental results indicate that porosity and pore diameters have close relation with chemical composition of Mg-based ternary alloys. The proposed
Duan, Dong-ping, Wang, Yun-si, Yan, Fang-jia, Niu, Rui-long, Yang, Xue-min   +4 more
core   +1 more source

Preparation and properties of silica fume@polyure-thane urea cement composites

Materials Research Express
In this study, a new material was synthesized by compounding silica fume and polyurethane urea, which is used to evaculate the vibration reduction performance of concrete.
Chao Feng, Dongdong Xu, Hao Cheng, Peihui Yan, Fei Wan, Wenwen Yan   +5 more
doaj   +1 more source

Experimental and Numerical Modal Analysis of Composite Sandwich Structures Using Surfboards as Model Systems

Advanced Engineering Materials, EarlyView.
This article presents an experimental and numerical modal investigation of composite sandwich structures using surfboards as model systems. By comparing different core materials and reinforcement strategies, the study demonstrates how local stiffeners influence vibrational response and introduce characteristic modal features, highlighting modal ...
Brett Connellan, Luca Lomazzi, Mathis Mercier, Kara Stark, Marc in het Panhuis   +4 more
wiley   +1 more source

Battery Storage Integration in Voltage Unbalance and Overvoltage Mitigation Control Strategies and Its Impact on the Power Quality

Energies, 2019
The increased utilisation of distributed renewable energy sources in low voltage grids leads to power quality problems such as overvoltages and voltage unbalance.
Dimitar Bozalakov, Mohannad J. Mnati, Joannes Laveyne, Jan Desmet, Lieven Vandevelde   +4 more
doaj   +1 more source

Dual‐Mode Magnetic Elastomer for On‐Demand Motion and Degradation

Advanced Functional Materials, EarlyView.
A dual‐mode magnetic elastomer is introduced, enabling DC field‐driven programmable actuation and AC field‐driven magnetothermal degradation. GHz‐range magnetic fields generate ultrafast heating of magnetic nanoparticles that activates cleavage of the silicone elastomer matrix.
Jieun Han, Hyun An, Min‐Ha Oh, Yu‐Lim Lee, Woojin Jeon, Kyung‐Sub Kim, Jae‐Hwan Lee, Seungmin Kang, Yoon‐Nam Kim, Ji‐Won Kang, Daewhan Kim, Min Sang Kwon, Sang‐Koog Kim, Seung‐Kyun Kang   +13 more
wiley   +1 more source

DAMPING CAPACITY OF Fe-Cr AND Fe-Cr BASED HIGH DAMPING ALLOYS

, 1981
The damping properties of Fe-Cr and Fe-Cr based alloys have been investigated by the cantilever method and the resonant bar method. The change in damping capacity is studied as a function of several parameters including temperature, magnetic field, cold ...
E. Török, P. Schrey, G. Hausch, W. Schneider   +3 more
core   +1 more source

Analysis of rheological model parameters for various foamed vibration-damping materials

Magazine of Civil Engineering
The study presents an experimental and analytical investigation of foamed polyurethane viscoelastic materials with varying density and pore structures, focusing on their dynamic mechanical behavior relevant for vibration damping applications.
Shitikova Marina, Smirnov Vladimir
doaj   +1 more source