Static and dynamic mechanical properties of aluminum nitride-silicon carbide whisker composites

J Lee, M Kim, S Park, SG Kim, J Kwon, Y Kwak… - Journal of Alloys and …, 2024 - Elsevier
AlN composites reinforced with SiC whiskers and Y 2 O 3 sintering aids were fabricated
using the hot-pressing technique to investigate static and dynamic mechanical properties …

Finite element analysis and mathematical characterization of contact pressure distribution in bolted joints

J Cao, Z Zhang - Journal of Mechanical Science and Technology, 2019 - Springer
Quantitative characterization of contact pressure distribution in bolted joints directly
influences the calculation accuracy of connection stiffness. In this paper, a three …

Complex structured polymer concrete sleeper for rolling noise reduction of high-speed train system

S Ahn, S Kwon, YT Hwang, HI Koh, HS Kim, J Park - Composite Structures, 2019 - Elsevier
Dam** performance of complex polymer concrete sleeper for high-speed trains was
identified after considering the radiation characteristics of rolling noise. Actual size complex …

Vibration Control in Bolted Joints with Locally Resonant Metamaterials

MM Shen, JH Yang, DS Yang, XD Yang… - International Journal of …, 2025 - Elsevier
Fundamental frequency vibrations generated by aero-engines can propagate through joint
structures to the airframe, potentially causing significant damage to precision instruments …

Use of probabilistic fastener velcro as a friction-induced vibration dam** treatment

S Kwon, J Jeon, S Yoo, J Park - Scientific Reports, 2022 - nature.com
Probabilistic fasteners are biologically inspired clam** devices that are interlocked by
stems on each surface. Due to dynamic characteristics of fastening mechanism, friction …

Dynamic property evaluation of pipeline clamp based on analyzing the propagation characteristics of flexural wave in pipeline

J **, Z Zhu, Y Cao, T He, M Zhou, P Gao, T Yu - NDT & E International, 2024 - Elsevier
The external clamp of hydraulic pipeline plays an important role in strengthening pipeline
stiffness and improving vibration attenuation ability. In this study, wave propagation method …

Rattle noise source localization through the time reversal of dispersive vibration signals on a road vehicle

Y Kwak, SM Park, J Lee, J Park - Wave Motion, 2020 - Elsevier
This paper proposes a localization method to identify the source of impulsive rattle
generation on a road vehicle. The proposed method makes use of numerical time reversal …

Modal testing and modelling the dynamic characteristics of a plate with bolted joints

AR Bahari, MA Yunus, MNA Rani… - Journal of Mechanical …, 2021 - journal.ump.edu.my
Modelling the dynamic characteristics of the bolted joints in a complex assembled structure
with a high accuracy is very challenging due to the assumptions and uncertainties in the …

Experimental study on vibration-induced clam** force reduction in fuel cell structures

D Kim, K Sim, J Park - International Journal of Hydrogen Energy, 2022 - Elsevier
When applied to transportation systems, fuel cell structures are exposed to external
mechanical disturbance including shocks and harmonic excitations from operating …

Nondestructive spot weld quality evaluation by measurement of structural vibration transfer through joined panels

SM Park, Y Kwak, J Lee, J Park - Journal of Nondestructive Evaluation, 2019 - Springer
A nondestructive test method using structural vibrations was proposed for spot weld quality
evaluations. The wave propagations in multi-spot-welded structures were analyzed using …