Results 41 to 50 of about 6,236,215 (252)

Multi-scale damage characterization of asphalt mixture subject to freeze-thaw cycles

, 2020
This paper summarizes the results of laboratory tests including scanning electron microscopy (SEM), X-ray computed tomography (CT), a developed interfacial shear test and the indirect tensile test. These tests were performed to characterize the damage of
Gang Xu, Yunhong Yu, Degou Cai, Guanyu Xie, Xianhua Chen, Jun Yang   +5 more
semanticscholar   +1 more source

Study on Damage and Fracture Mechanism and Ontological Relationship of Rock Body in Deep Open Pit in Cold Area

Applied Sciences
The stability of open-pit mines under low-temperature conditions is critical for safe and efficient coal extraction. However, the mechanisms of rock damage and fracture under combined temperature and stress effects remain unclear, particularly regarding ...
Ming Li, Fuqiang Zhu, Zheng Kong, Liang Chen, Fangwei Fan, Boyuan Wu, Jishuo Deng, Shuai Guo   +7 more
doaj   +1 more source

Real-time damage characterization for GFRCs using high-speed synchrotron X-ray phase contrast imaging

, 2020
We report the application of high-speed synchrotron X-ray phase contrast imaging (PCI) in real-time damage characterization for glass fiber reinforced composites (GFRCs) subjected to the low-velocity impact.
Jinling Gao, N. Kedir, C. Kirk, Julio A. Hernandez, Junyu Wang, Shane C. Paulson, X. Zhai, Todd Horn, Garam Kim, Jianlin Gao, K. Fezzaa, F. De Carlo, P. Shevchenko, T. Tallman, R. Sterkenburg, G. Palmese, Weinong W. Chen   +16 more
semanticscholar   +1 more source

Terahertz data analytics-based bonding interface damage characterization in a multilayer structural composites under cyclic loading

Polymer Testing, 2022
Adhesively-bonded composite structures are under various environmental loads during their service life. Therefore, it is imperative to monitor the evolution of the bonding interfaces under loading to evaluate the bonding properties of the composite ...
Yi-Fan Zhong, Jiao-Jiao Ren, Li-Juan Li, Ji-Yang Zhang, Dan-Dan Zhang, Jian Gu, Jun-Wen Xue, Qi Chen   +7 more
doaj   +1 more source

Bond–Slip Properties and Acoustic Emission Characterization Between Steel Rebar and Manufactured Sand Concrete

Buildings
Natural sand (NS) is facing the problem of resource scarcity, while manufactured sand (MS) has become a favorable alternative resource due to its wide range of sources, superior performance, as well as economic and environmental protection.
Lei Han, Hua Yang, Qifan Wu, Yubo Jiao
doaj   +1 more source

A Structural Health Monitoring System for Bond Line Flaws Detection on a Full-Scale Wingbox Section Demonstrator

Applied Mechanics
In recent years, there has been a significant increase in the use of structural health monitoring (SHM) technologies as systems for monitoring the integrity of aircraft’s structures.
Lorenzo Pellone, Monica Ciminello, Umberto Mercurio, Gianvito Apuleo, Antonio Concilio   +4 more
doaj   +1 more source

Photocathode Behavior During High Current Running in the Cornell ERL Photoinjector

, 2011
The Cornell University Energy Recovery Linac (ERL) photoinjector has recently demonstrated operation at 20 mA for approximately 8 hours, utilizing a multialkali photocathode deposited on a Si substrate. We describe the recipe for photocathode deposition,
B. Dunham, Benjamin Pichler, Bruce Dunham, Darren Dale, David Rice, Florian Löhl, Ivan Bazarov, Jared Maxson, John Dobbins, Karl Smolenski, Kenneth Finkelstein, L. Cultrera, Luca Cultrera, Maury Tigner, Peter Quigley, Roger Kaplan, Sergey Belomestnykh, Siddharth Karkare, Vaclav Kostroun, Vadim Veshcherevich, Xianghong Liu, Yulin Li, Zhi Zhao   +22 more
core   +2 more sources

Femtosecond Laser-Induced Damage Characterization of Multilayer Dielectric Coatings

Coatings, 2020
The laser-induced damage threshold (LIDT) of optical components is one of the major constraints in developing high-power ultrafast laser systems. Multi-layer dielectric (MLD) coatings-based optical components are key parts of high-power laser systems ...
P. Velpula, D. Kramer, B. Rus
semanticscholar   +1 more source

Evolution and characterization of uniaxial compression damage and destruction of coal measures rocks

Meikuang Anquan, 2023
In order to study the damage evolution law of coal measures rocks under uniaxial compression and its characterization method, three kinds of rocks with different lithology conditions and commonly existing in coal measures rocks are taken as the research ...
Yanbin XIANG
doaj   +1 more source

Laser Induced Damage Studies in Borosilicate Glass Using nanosecond and sub nanosecond pulses

, 2016
The damage mechanism induced by laser pulse of different duration in borosilicate glass widely used for making confinement geometry targets which are important for laser driven shock multiplication and elongation of pressure pulse, is studied.
Chaurasia, S., Munda, D. S., Rastogi, Vinay   +2 more
core   +1 more source