Results 61 to 70 of about 3,746 (220)

Parallel Grooved Microstructure Manufacturing on the Surface of Si3N4 Ceramics by Femtosecond Laser

open access: yesMicromachines
Machining special microstructures on the surface of silicon nitride ceramics helps improve their service performance. However, the high brittleness and low fracture toughness of silicon nitride ceramics make it extremely difficult to machine ...
Xufeng Wen   +3 more
doaj   +1 more source

Air Stability of Sulfide Solid Electrolytes: From Theoretical Insights to Practical Solutions

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This paper reviews research progress on the air stability of SSEs, covering their instability mechanisms and modification strategies, while outlining core challenges and future directions for practical applications. Sulfide solid electrolytes are pivotal for enabling high‐performance all‐solid‐state batteries due to their high ionic conductivity and ...
Hongbing Ding   +10 more
wiley   +1 more source

Novel Zwitterionic Polydopamine Nanofiller‐Reinforced Hybrid Membranes With Superior Antifouling Performance for Wastewater Treatment

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work reports one‐pot synthesized novel zwitterionic polydopamine‐silica (ZSiPDA) nanofillers for fabricating PES hybrid ultrafiltration membranes with enhanced hydrophilicity, permeability, and antifouling performance. The optimized membrane achieved over 91% humic acid removal and showed strong potential for municipal wastewater treatment.
Roqaya A. Ismail   +5 more
wiley   +1 more source

Research on drill-grinding silicon nitride ceramic with thin-wall brazed diamond drill

open access: yesJin'gangshi yu moliao moju gongcheng, 2016
Silicon nitride ceramic was drill-ground with single-layer brazed diamond thin-wall drill.Firstly,the removal mechanism of silicon nitride ceramic was studied,which mainly included brittle removal and ductile regime removal,and brittle removal was the ...
DING Jin, DONG Hai, BAI Hepeng, ZHANG Ye
doaj  

Experimental Study of the Service Performance of Full Ceramic Silicon Nitride Ball Bearings

open access: yesLubricants
As the operating conditions of rolling bearings become increasingly demanding, traditional steel bearings can no longer fully meet the performance requirements of critical equipment.
Pengfei Wang, Xuegang Zhang
doaj   +1 more source

Harnessing Thin‐Film Solid‐State Electrolytes: Enabling Breakthroughs in All‐Solid‐State Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Schematic illustration highlighting the advantages of transitioning from traditional thick solid‐state electrolytes (SSEs) to thin‐film SSEs. Thinning the electrolyte enables higher ionic conductivity, reduced interfacial polarization, improved flexibility, compact electrode contact, and enhanced energy density, offering a promising pathway toward high‐
Yitao He   +3 more
wiley   +1 more source

Application of Silicon Nitride (Si3N4) Ceramics in Ball Bearing

open access: yesMedia Mesin, 2016
This paper is discus about silicon nitride ceramics in application to ball bearing. Silicon nitride (Si3N4) have advance properties such as consistent at temperature operation up to 1000°C, greater thermal shock resistance, lower density and low thermal ...
Wijianto Wijianto
doaj  

Simulation and experimental research on SiN ceramic grinding based on different diamond grains

open access: yesAdvances in Mechanical Engineering, 2017
The removal mechanism of silicon nitride ceramic under high-speed grinding is studied in this article, and grinding parameters are optimized. The efficiency of grinding is improved.
Jian Sun   +5 more
doaj   +1 more source

Advances in Sulfur Cathodes for High‐Energy All‐Solid‐State Lithium Batteries With Sulfide Solid Electrolytes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review summarizes the key optimization strategies and challenges for all‐solid‐state lithium–sulfur batteries based on sulfide solid‐state electrolytes, covering electrolyte synthesis, cathode design, interface engineering, and industrialization considerations.
Yongsheng Gao   +5 more
wiley   +1 more source

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