Results 11 to 20 of about 7,354,629 (287)

Development of porous-ceramic hydrostatic bearings [PDF]

open access: yes, 2003
Porous-ceramic hydrostatic bearings have been recently developed. These bearings have demonstrated an exceptional overall performance when compared with conventional technology bearings.
Durazo-Cardenas, Isidro
core   +7 more sources

Impact cratering experiments into highly porous bodies [PDF]

open access: yes, 2011
Asteroids represent both an opportunity and a risk. Their pristine environment captures the early collision evolution of the solar system; while their inherent ground impact potential could result in the mass extinction of life.
Vasile, Massimiliano, Gibbings, Alison
core   +3 more sources

Numerical study on the impact of wall structure on the thermal performance of double-channel porous solar wall

open access: yesScientific Reports, 2022
With the improvement of people’s living standards, they have higher requirements for indoor thermal comfort in the cold season. Solar wall utilizing solar energy for heating can reduce carbon emissions and achieve carbon neutrality.
Xuejun Qi   +3 more
doaj   +1 more source

Evaluation of internal fit of press ceramic and porous structured cobalt–chromium crown fabricated by additive manufacturing

open access: yesDental Research Journal, 2022
Background: The purpose of this in vitro study is to fabricate a novel metal–ceramic prosthesis with a porous structure, to compensate for the disadvantages associated with the design of existing prostheses, and to measure the internal fit of this ...
Eun-Jeong Bae   +2 more
doaj   +1 more source

Plasmonic porous ceramics based on zirconia-toughened alumina functionalized with silver nanoparticles for surface-enhanced Raman scattering

open access: yesOpen Ceramics, 2022
We demonstrate the feasibility of plasmonic porous ceramics which combine the optical properties of plasmonic nanoparticles with the advantages of open porous ceramics.
Tongwei Guo   +5 more
doaj   +1 more source

Soft Multifunctional Porous Sponge Sensor for Pressure and Strain Using Liquid Metal/Polydimethylsiloxane with Silver-Nanowire-Coated Composite

open access: yesMicromachines, 2022
Compression and tension sensors with a porous structure have attracted attention recently. Porous sponge sensors have the advantage of a wide deformation range owing to their structural characteristics.
Dong-Young Kim   +3 more
doaj   +1 more source

Photoluminescence Stability of Polymer - Coated Porous Silicon [PDF]

open access: yesEngineering and Technology Journal, 2005
The photoluminescence stability of the porous silicon produced by laser - induced etching of silicon has been studied . We have employed a method to improve the PL stability of the porous structure .
Bassam Rasheed
doaj   +1 more source

Selective Laser Melting Fabrication of Porous Ti6Al4V Scaffolds With Triply Periodic Minimal Surface Architectures: Structural Features, Cytocompatibility, and Osteogenesis

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
The relationship between pore architecture and structure performance needs to be explored, as well as confirm the optimized porous structure. Because of the linear correlation between constant C and pore architecture, triply periodic minimal surface ...
Jia Lv   +7 more
doaj   +1 more source

Enhancing Capillary Pressure of Porous Aluminum Wicks by Controlling Bi-Porous Structure Using Different-Sized NaCl Space Holders. [PDF]

open access: yesMaterials (Basel)
Capillary pressure and permeability of porous media are important for heat transfer devices, including loop heat pipes. In general, smaller pore sizes enhance capillary pressure but decrease permeability.
Shen H, Suzuki A, Takata N, Kobashi M.
europepmc   +2 more sources

Forced Convection in Porous Medium Using Triply Periodical Minimum Surfaces

open access: yesFluids, 2023
Recent developments in the 3D printing of metals are attracting many researchers and engineers. Tailoring a porous structure using triply periodic minimum surfaces is becoming an excellent approach for cooling electronic equipment.
Mohamad Ziad Saghir   +3 more
doaj   +1 more source

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