Results 31 to 40 of about 5,478,320 (275)

Impact Fretting Wear of MoS₂/C Nanocomposite Coating with Different Carbon Contents under Cycling Low Kinetic Energy

Nanomaterials, 2021
MoS2/C nanocomposite coatings were deposited on a 304 stainless steel plate by unbalanced magnetron sputtering from carbon and molybdenum disulfide targets, and the target current of MoS2 was varied to prepare for coating with different carbon contents ...
Junbo Zhou, Lin Zhang, Yuan Ding, Xudong Chen, Zhenbing Cai   +4 more
doaj   +1 more source

Experimental Study on the Damage Mechanism of Reinforced Concrete Beams Based on Acoustic Emission Technique

Applied Sciences, 2023
The purpose of this paper is to investigate the developmental process of internal damage in prestressed concrete beams under static loading conditions.
Jianqing Bu, Zhibo Guo, Jiren Zhang, Yanzhe Zhang   +3 more
doaj   +1 more source

Effect of hygrothermal environment on mechanical properties and damage mechanism of CFRP

Cailiao gongcheng, 2019
The moisture absorption properties of carbon fiber reinforced plastics (CFRP) laminates treated with three kinds of hygrothermal environments (relative humidity 85% RH, temperature 25, 70, 85℃ respectively) were investigated by accelerated moisture ...
YANG Xu-dong, AN Tao, ZOU Tian-chun, GONG Tian-chen   +3 more
doaj   +1 more source

Damage Effects of Electron Irradiation with Different Energy on Mechanical Properties of Polyethylene Heat-shrinkable Sleeves

Journal of Aeronautical Materials, 2016
Damage effects of electron irradiation with different energy on mechanical properties of polyethylene heat-shrinkable sleeves were studied by irradiating the sleeves with 45 keV, 1 MeV and 2 MeV electrons respectively.
LIU Yuming, ZHAO Chunqing, LI Man, ZHANG Kai, SHEN Zicai   +4 more
doaj   +1 more source

Mechanisms of ischemic brain damage [PDF]

Neuropharmacology, 2008
In the United States stroke is the third leading cause of death and the leading cause of disability. Brain injury following stroke results from the complex interplay of multiple pathways including excitotoxicity, acidotoxicity, ionic imbalance, peri-infarct depolarization, oxidative and nitrative stress, inflammation and apoptosis.
Kristian P, Doyle, Roger P, Simon, Mary P, Stenzel-Poore   +2 more
openaire   +2 more sources

Structural components and stress damage mechanism of coal and rock mass

Meikuang Anquan, 2021
In order to study the distribution law and development mechanism of coal and rock mineral composition and fracture occurrence in its damage and failure process under static stress conditions, X-ray diffractometer(XRD) and electron microscope (SEM) are ...
SHAO Dongliang, WANG Fangtian
doaj   +1 more source

Effect of aramid core-spun yarn on impact resistance of aramid/epoxy composite

Frontiers in Materials, 2023
Introduction: The surface of aramid filament is smooth, which is a great defect for impact resistance and composite molding of aramid/epoxy composite.
Yajing Miao, Jiahuan Ni, Jiahuan Ni, Jiahuan Ni, Kai Zhu, Kai Zhu, Yizhou Liu, Yizhou Liu, Yu Chang, Yu Chang, Zixin Gong, Zixin Gong, Dan Yang, Dan Yang, Xin Zhang   +14 more
doaj   +1 more source

Effect of Turning on the Surface Integrity and Fatigue Life of a TC11 Alloy in Very High Cycle Fatigue Regime

Metals, 2020
In this work, the effect of a turning process on fatigue performance of a Ti-6.5Al-3.5Mo-1.5Zr-0.3Si (TC11) titanium alloy is studied in the high cycle fatigue (HCF) and very high cycle fatigue (VHCF) regimes.
Tao Gao, Zhidan Sun, Hongqian Xue, Emin Bayraktar, Zhi Qin, Bin Li, Han Zhang   +6 more
doaj   +1 more source

Research Status of Slag Corrosion Resistance in Magnesia Chrome Refractories Applied in Copper Metallurgy

Kuangchan zonghe liyong, 2023
This is a paper in the field of ceramic materials for metallurgy. Magnesia chrome refractory is widely used in copper industry due to its excellent high temperature strength, fine slag corrosion resistance and good performance.
Guolong Ni, Shuhuan Wang, Qun Li
doaj   +1 more source

A Comparative Study on the Flexural Behavior of UHPC Beams Reinforced with NPR and Conventional Steel Rebars

Buildings
This study investigates how different longitudinal steel rebars influence the flexural performance and cracking mechanisms of reinforced ultra-high-performance concrete (UHPC) beams, combining axial tensile tests using acoustic emission monitoring with ...
Jin-Ben Gu, Yu-Han Chen, Yi Tao, Jun-Yan Wang, Shao-Xiong Zhang   +4 more
doaj   +1 more source