Results 1 to 10 of about 201,555 (341)

Corneal abrasion

open access: yesClinical Ophthalmology, 2010
Scott FraserSunderland Eye Infirmary, Sunderland, UKDate of preparation: 25th June 2009Conflict of interest: None declaredClinical question: What is the best treatment for traumatic corneal abrasion?Results: Eye patching does not reduce pain in patients ...
Scott Fraser
doaj   +5 more sources

Influence Evaluation of Tungsten Content on Microstructure and Properties of Cu-W Composite

open access: yesMetals, 2022
At present, most studies focus on Cu-W composites with high W content (W content > 50 wt%), while there are only sporadic reports on Cu-W composites with low W content (W content < 50 wt%).
Xiuqing Li   +10 more
doaj   +1 more source

Effect of Cr Content on the Microstructure of Casting Infiltration Layers: Simulations and Experiments

open access: yesCrystals, 2022
High chromium cast irons are commonly used as casting infiltration layers in the applications of wear resistance. The formation mechanism of the casting infiltration layer is essential to better develop the surface wear resistance materials using the ...
Chong Chen   +9 more
doaj   +1 more source

Tribological Properties of Cu-Based Self-Lubricating Materials Composed with Cu- or Ni-Plated Graphite

open access: yesLubricants, 2023
Cu-based self-lubricating materials can effectively adapt to complex natural environments and ensure consistency in materials used for switch transitions.
Yiran Wang, Liujie Xu, Xiuqing Li
doaj   +1 more source

Effect of Microstructures on the Tribological Performance of Medium Carbon Steel

open access: yesMetals, 2022
Improving wear resistance and reducing the coefficient of friction of the cylinder liner are critical to improving the service life and energy savings of internal combustion engines.
Tao Jiang   +8 more
doaj   +1 more source

Prediction of four Si3N4 compounds by first-principles calculations

open access: yesAIP Advances, 2023
Four Si3N4 crystal structures were predicted using an ab initio evolutionary methodology. The mechanical and dynamic stabilities were confirmed by the density functional theory assuming zero-pressure conditions. Energetic stability calculations indicated
Qiaohe Wu   +9 more
doaj   +1 more source

Effect of rare-earth Sc on the interface microstructure and mechanical properties of Al/steel bimetallic composites prepared by liquid–solid casting

open access: yesJournal of Materials Research and Technology, 2023
In this study, scanning electron microscopy (SEM), electron backscatter diffraction analysis (EBSD), and electron probe microanalysis (EPMA) were used to investigate the impact of rare-earth Sc on the interface microstructure and mechanical properties of
Po Zhang   +9 more
doaj   +1 more source

Phase and Microstructure Transition of High Cu Content Cu-W Composite Powder Fabricated by Spray Drying

open access: yesMetals, 2022
Cu-W composite powder with various W contents (0, 10, 20, and 30 wt%) has been fabricated by spray drying, calcination, and two-stage hydrogen reduction in this work. The microstructures and phase evolution of Cu-W composite powder were studied by FESEM,
Qi Wang   +5 more
doaj   +1 more source

Optimizing of particle accelerated rotor parameters using the discrete element method

open access: yesScientific Reports, 2023
The acceleration capability of a centrifugal jet rotor plays a crucial role in achieving a high injection velocity of powder particles in the centrifugal impact moulding process.
Bo Sun   +4 more
doaj   +1 more source

Mechanical properties and corrosion behavior in molten zinc of Mo–ZrO2 alloys

open access: yesJournal of Materials Research and Technology, 2023
The effect of the ZrO2 doping amounts on the corrosion properties and mechanical properties of the molybdenum alloys in molten zinc was investigated. Among them, the Mo-1.5 wt% ZrO2 alloy has good corrosion resistance (at 460 °C) and excellent mechanical
Bin Wang   +6 more
doaj   +1 more source

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