Results 1 to 10 of about 705,219 (314)

Structural health monitoring of 52-meter wind turbine blade: Detection of damage propagation during fatigue testing

Data-Centric Engineering, 2022
This work is concerned with damage detection in a commercial 52-meter wind turbine blade during fatigue testing. Different artificial damages are introduced in the blade in the form of laminate cracks.
Mads A. Fremmelev, Purim Ladpli, Esben Orlowitz, Lars O. Bernhammer, Malcolm McGugan, Kim Branner   +5 more
doaj   +1 more source

Fatigue Assessment of Carbon Fiber-Reinforced Polyurethane with Regard to Crack Initiation and Propagation

Eng, 2023
Due to their lightweight potential, the use of fiber-reinforced polymers is the current standard for many technical fields of application. Especially, the automotive and aerospace sectors are to be emphasized.
Lars Gerdes, Pascal Franck, Stefan Richle, Gion A. Barandun, Frank Walther   +4 more
doaj   +1 more source

Topology Optimization Design and Experimental Research of a 3D-Printed Metal Aerospace Bracket Considering Fatigue Performance

Applied Sciences, 2021
In the aerospace industry, spacecraft often serve in harsh operating environments, so the design of ultra-lightweight and high-performance structures is a major requirement in aerospace structure design.
Yisheng Chen, Qianglong Wang, Chong Wang, Peng Gong, Yincheng Shi, Yi Yu, Zhenyu Liu   +6 more
doaj   +1 more source

Design Optimization of Flexure Springs for Free-Piston Stirling Engines and Experimental Evaluations with Fatigue Testing

Energies, 2021
The free-piston Stirling engine is a closed-cycle regenerative heat engine that converts heat energy into mechanical work, and requires a spring element for vibratory operations of the displacer and power pistons.
Chang-Whan Lee, Dong-Jun Kim, Sung-Kwon Kim, Kyuho Sim   +3 more
doaj   +1 more source

Role of Multi-Scale Microstructure in the Degradation of Al Wire for Power Transmission

Applied Sciences, 2020
As common conductive materials, Al wires are used on overhead transmission lines under long-term heating conditions. In this study, the strength degradation behavior and the strength-electrical conductivity relation of the commercially pure Al wires ...
Rui Li, Hanzhong Liu, Heng Ma, Jiapeng Hou, Liqun Qian, Qiang Wang, Xiaowu Li, Zhefeng Zhang   +7 more
doaj   +1 more source

Characterization of the Mechanical Properties of Low Stiffness Marine Power Cables through Tension, Bending, Torsion, and Fatigue Testing

Journal of Marine Science and Engineering, 2023
The exploitation and harnessing of offshore marine renewable energy have led to an increased demand for reliable marine power cables with long service lives.
Jonas W. Ringsberg, Lamine Dieng, Zhiyuan Li, Ingvar Hagman   +3 more
doaj   +1 more source

ANALYSIS OF THE FEASIBILITY OF REPLACING FABRIC SKIN IN HALF-SHELL STRUCTURAL DESIGNS

Technologia i Automatyzacja Montażu, 2021
One of the many issues associated with aircraft operations is that of structural designs with fabric skin. As one of the solutions addressing these problems, this paper proposes replacing the existing fabric skin with a new covering made of a composite ...
Sławomir Tkaczuk, Piotr Leszczyński, Jarosław Dąbrowski   +2 more
doaj   +1 more source

Influence of Steam Curing on High-Cyclic Behaviour of Prestressed Concrete Bridge Elements

The Baltic Journal of Road and Bridge Engineering, 2008
The paper discusses the influence of curing conditions (steam and normal curing) on high-cyclic creep and fatigue strength of reinforced concrete bridge elements.
Eugedijus Juozas Dulinskas, Viktor Gribniak, Gintaris Kaklauskas   +2 more
doaj   +1 more source

Shape Rolling Process Combined with In-line Induction Heat Treatment for Rectangular Wire Die Springs

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2013
In recent years, environmental issues and high labor costs have been receiving increasing attention. One example is the manufacturing process of conventional oil tempered shaped wire which is high cost, time-consuming and polluting. The aim of this study
Chong-Ching TSENG, Shi-Pin HO
doaj   +1 more source

An Ultra-High Frequency Vibration-Based Fatigue Test and Its Comparative Study of a Titanium Alloy in the VHCF Regime

Metals, 2020
This paper proposes an ultra-high frequency (UHF) fatigue test of a titanium alloy TA11 based on electrodynamic shaker in order to develop a feasible testing method in the VHCF regime.
Wei Xu, Yanguang Zhao, Xin Chen, Bin Zhong, Huichen Yu, Yuhuai He, Chunhu Tao   +6 more
doaj   +1 more source