Results 41 to 50 of about 242,308 (112)

Study on high-low cycle fretting fatigue life of Inconel718 tenon structure

open access: yesHangkong gongcheng jinzhan
The turbine blades of aero-engines are subjected to cyclic high-low cycle loads in actual service environments,which is a typical high-low cycle micro motion fatigue condition. The frequent occurrence of fatigue fracture in turbine blades due to fretting
YANG Xiaolin   +3 more
doaj   +1 more source

Acoustic emission characterization of sliding wear under condition of direct and inverse transformations in low-temperature degradation aged Y-TZP and Y-TZP-AL2O3

open access: yesFriction, 2018
In this research, results of the investigation of the sliding friction and wear of yttria-stabilized tetragonal zirconia polycrystalline (Y-TZP) and Y-TZP-Al2O3 samples preliminarily subjected to low-temperature degradation are reported.
Nikolai L. Savchenko   +5 more
doaj   +1 more source

Ground Strength Test Technique of Variable-Camber Wing Leading Edge

open access: yesBiomimetics
Morphing wing technology is crucial for enhancing the flight performance of aircraft. To address the monitoring challenges of full-scale variable-camber leading edges under flight conditions, this study introduces a ground-based strength testing ...
Shanshan Li   +3 more
doaj   +1 more source

Post-Buckling Failure Mechanism and Optimal Tapered Termination Design for Composite Hat-Stiffened Panels

open access: yesAerospace
Composite hat-stiffened panels are widely used in civil aircraft structural design as typical closed-section stiffened components with high load-carrying efficiency.
Guofan Zhang   +3 more
doaj   +1 more source

NUMERICAL STUDY OF STRESS-STRAIN LOCALIZATION IN THE TITANIUM SURFACE MODIFIED BY AN ELECTRON BEAM TREATMENT

open access: yesFacta Universitatis. Series: Mechanical Engineering, 2016
Numerical simulation is performed to investigate the mesoscale stress-strain localization in a surface-modified commercial titanium alloy. The calculated crystalline microstructure corresponds to that observed in experiments and is accounted for in an ...
Ruslan Balokhonov   +4 more
doaj   +1 more source

Study on the Dynamic Mechanical Behavior of 2D C/SiC Composites at Medium Strain Rates

open access: yesAerospace
Two-dimensional C/SiC are promising candidates for use in high-temperature structures in aeroengines and thermal protection systems in the aerospace industry, which will be subjected to loads in various directions during service.
Xinyue Zhang   +5 more
doaj   +1 more source

One Kind of Green New Method for Detection of Inside Layer Cracks of Aircraft Multilayer Structures

open access: yesEngineering Proceedings
To address the technical challenges in detecting internal cracks within aircraft metallic multilayer structures, we have employed the environmentally friendly detection technique of remote-field eddy current (RFEC).
Huabin Huang, Zhiwei Peng, Mao Xu
doaj   +1 more source

Digital collaborative exploration and practice of ground vibration test for full-scale aircraft

open access: yesHangkong gongcheng jinzhan
The ground vibration test of full-scale aircraft has the characteristics of multiple coordination units, complex system, long implementation time and high risk.
BAI Chunyu, LIANG Sen, SONG Qiaozhi
doaj   +1 more source

Prediction of Random Crack Propagation Life of Thin Porous Plate with Multiple Site Damage

open access: yesEngineering Proceedings
Based on the crack propagation rate test of LY12CZ aluminum alloy flat plate, the distribution characteristics of Paris formula parameters were characterized by the three-parameter logarithmic normal distribution, and a LY12CZ random crack propagation ...
Hanbin Sun, Xianmin Chen, Jun Yang
doaj   +1 more source

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