Results 21 to 30 of about 10,971,821 (293)

Measuring Physical Properties at the Surface of a Comet Nucleus [PDF]

open access: yes, 2021
The European Space Agency’s cornerstone mission Rosetta is due for launch in January 2003. It will perform a rendezvous with comet 46P/Wirtanen beyond 3 AU and, following an initial mapping phase, deploy a lander to a selected site on the nucleus surface.
Ball, Andrew Jonathan, Ball, Andrew J.
core   +1 more source

The effect of Salvadora persica herbal toothbrush on the surface roughness of enamel [PDF]

open access: yesJournal of Dental Materials and Techniques
Objective: This in vitro study investigated the abrasive properties of the Salvadora persica (S. persica) herbal toothbrush in comparison to a soft toothbrush on enamel.Methods: Sixty bovine central incisors were obtained and randomly divided into two ...
Naser Sargolzaei   +5 more
doaj   +1 more source

Effect of particle size on the surface properties and morphology of ground flax [PDF]

open access: yes, 2013
Flax fibers were ground with a ball-mill and four fractions with different size ranges were collected by sieving. These were tested for water sorption, degree of polymerization (DP), copper number, hydroxyl number and analyzed by X-ray diffraction (XRD),
Tóth, András   +5 more
core   +1 more source

Surface characterization and analysis of textured injection moulded PC-ABS automotive interior components

open access: yes, 2023
Automotive interior components are produced by injection moulding due to its cost effectiveness in mass production. The surfaces of these components are textured to control the appearance and other surface functional properties such as wear and scratch ...
Sjögren, Anders   +7 more
core   +1 more source

Surface roughness prediction in milling based on tool displacements [PDF]

open access: yes, 2011
In this paper, an experimental device using non-contact displacement sensors for the investigation of milling tool behaviour is presented. It enables the recording of high frequency tool vibrations during milling operations.
MOREAU, Vincent   +3 more
core   +1 more source

Surface performance of TC4 alloy repaired by laser cladding under different scanning speeds

open access: yesJournal of Aeronautical Materials, 2023
In the current aviation industry, laser melting is an ideal technique for repairing and surface treatment of TC4 alloy parts, which has advantages over traditional metal repair techniques in terms of process.
CUI Jing, WANG Chengxuan, YANG Guangfeng
doaj   +1 more source

Improvement of coreboards surface properties

open access: yesTurkish Journal of Forestry, 2020
Coreboards are produced entirely from corrugated cardboard wastes and 165 to 450 g/m2 depending on the area of use and used as coil cores (tissue papers, bobbins, etc.).
Ahmet TUTUŞ   +2 more
doaj   +1 more source

The influence of solvent and number of layers on the homogeneity and properties of ZnO thin films obtained by spin-coating method [PDF]

open access: yesProcessing and Application of Ceramics
Homogeneous semiconducting ZnO thin films were successfully produced using spin-coating method. The influence of structure and morphological properties of three-layered and five-layered ZnO films, made with different solvents (methanol and 2 ...
Modrić-Šahbazović Almedina   +4 more
doaj   +1 more source

Aramid-Zirconia Nanocomposite Coating With Excellent Corrosion Protection of Stainless Steel in Saline Media

open access: yesFrontiers in Chemistry, 2020
Resistance to stainless steel corrosion in marine-based industries requires more research into materials with an improved surface and enhanced protection by utilizing surface coatings.
Ahmed Abdel Nazeer   +3 more
doaj   +1 more source

Plasma-Modified PI Substrate for Highly Reliable Laser-Sintered Copper Films Using Cu2O Nanoparticles

open access: yesNanomaterials, 2022
Plasma modification of polyimide (PI) substrates upon which electrical circuits are fabricated by the laser sintering of cuprous oxide nanoparticle pastes was investigated systematically in this study.
Wei-Han Cheng   +3 more
doaj   +1 more source

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