Results 31 to 40 of about 1,896 (117)

Atomic Simulation of Fatigue Crack Growth Mechanism of Single Crystal γ-TiAl Alloy

open access: yesJournal of Aeronautical Materials, 2018
In order to study the relationship of fatigue property、crack growth and organization form of TiAl alloy, the micro crack growth and micro deformation mechanism of single crystal γ-TiAl alloy with an embedded boundary crack under cyclic loading were ...
ZHANG Ling   +3 more
doaj   +1 more source

Novel Photovoltaic Micro Crack Detection Technique [PDF]

open access: yesIEEE Transactions on Device and Materials Reliability, 2019
This paper presents a novel detection technique for inspecting solar cells' micro cracks. Initially, the solar cell is captured using the electroluminescence (EL) method, then processed by the proposed technique. The technique consists of three stages: The first stage combines two images, the first image is the crack-free (healthy) solar cell, whereas ...
Mahmoud Dhimish   +2 more
openaire   +2 more sources

The setup and application of the multi-scale in-situ test system for fatigue damage analysis

open access: yesMATEC Web of Conferences, 2018
This essays aims at introducing the setup for the multi-scale in-situ test system which is applied for the fatigue crack initiation test. The setup of the experiment system is first introduced, including the image capturing system, optical path system ...
Shi Yi   +3 more
doaj   +1 more source

FAILURE MECHANISM OF FATIGUE FRACTURE AND LIFE ANALYSIS FOR BOLTED JOINT OF AIRCRAFT STRUCTURE

open access: yesJixie qiangdu, 2023
With respect to the fatigue failure of typical bolted joints of aircraft subjected to the random block spectrum, the micro-observation technology was used to analyze the macro and micro fracture morphology characteristics, and to reveal the fatigue ...
FAN JunLing   +3 more
doaj  

Effect of low temperature on fatigue and crack propagation behavior of aeronautic aluminium alloy

open access: yesJournal of Aeronautical Materials, 2021
Fatigue and crack growth tests were performed on two categories of the common aeronautic aluminum- alloys 2524-T3 and 7050-T7451 at ambient temperature of 25 ℃ and cryogenic temperature of –70 ℃, in order to investigate the fatigue and crack propagation ...
LIU Mudong
doaj   +1 more source

The Threshold of Micro Crack Propagation under Mixed Mode

open access: yesBulletin of JSME, 1985
In order to investigate the threshold condition of micro fatigue crack propagation under mixed mode, tests of cyclic plane bending, cyclic torsion and their combinations are carried out with a stress ratio R=-l. Annealed cracked specimens made of carbon steel are used in the tests.
KITAOKA, Seiichiro   +2 more
openaire   +3 more sources

Surface Damage Evaluation of Rolling Bearings Operating under Low Lambda Conditions

open access: yesTribology Online
Micro-pitting and wear phenomena were studied both experimentally and through simulation, focusing on the relationship between ball roughness and the lambda, Λ, value.
Izyan Iryani Mohd Yazid   +3 more
doaj   +1 more source

Crack mechanisms in concrete – from micro to macro scale

open access: yesBudownictwo i Architektura, 2020
The paper discusses a fictitious crack model of concrete in tension proposed by Hillerborg. This model presents a concept that illustrates the mechanism of crack initiation and its propagation in concrete on meso-level.
Marta Słowik   +2 more
doaj   +1 more source

Microbes: A Remedy for Micro Cracks of Concrete

open access: yesInternational Journal For Multidisciplinary Research
Crack formation is a very common phenomenon in concrete structures, which allows the entry of water and different type of chemicals into the concrete through the cracks and decreases their durability, strength and, which also affect the reinforcement when it comes in contact with water, CO2 and other chemicals. For repairing the cracks developed in the
Atif Baig Mirza -   +3 more
openaire   +1 more source

Crack Contour Modeling Based on a Metaheuristic Algorithm and Micro-Laser Line Projection

open access: yesBiomimetics
Currently, bio-inspired metaheuristic algorithms play an important role in computer vision for assessing surface cracks. Also, manufacturing industries need non-destructive technologies based on biomimetics theory for characterizing micro-crack contours ...
J. Apolinar Muñoz Rodríguez
doaj   +1 more source

Home - About - Disclaimer - Privacy