Results 61 to 70 of about 277 (248)

Powder Optimization Strategies for Binder Jetting Printing of BaTiO3 and Ba0,6Sr0,4TiO3 Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Powder optimization is investigated to enable binder jetting of BaTiO3 and Ba0.6Sr0.4TiO3 ferroelectric ceramics. The antagonistic relationship between flowability and binder compatibility is addressed through binder impregnation of granulated powders and fumed silica addition to fine powders.
Fanny Pruvost   +4 more
wiley   +1 more source

ASSESSMENT OF GOLD MELT INFLUENCE ON THE PLATINOID MICROINCLUSIONS IN ANCIENT GOLD PRODUCTS: A COMPARISON WITH EXPERIMENTAL DATA [PDF]

open access: yesМинералогия, 2017
The results of gold melt influence on platinoid microinclusions in ancient gold products from the burial mounds of the Urals and Phanagoria are compared with the experimental data.
V.V. Zaykov   +9 more
doaj  

Trabajadores y técnicas mineras andinas en las fiebres del oro del mundo en el siglo XIX

open access: yesNuevo mundo - Mundos Nuevos, 2015
During the XIX century, the alluvial gold findings in the United Sates, Australia, New Zealand and other territories, attracted numerous adventurers, including South American immigrants with knowledge in mining tasks.
Inés Herrera Canales
doaj   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

open access: yesAdvanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho   +8 more
wiley   +1 more source

Natural Bone‐Derived Ceramic Scaffolds Functionalized with Chitosan‐Gold, Chitosan‐Magnesium, and Chitosan‐Zinc for Enhanced Antibacterial Activity

open access: yesAdvanced Engineering Materials, EarlyView.
This study reports the development of antibacterial ceramic scaffolds derived from natural bovine bone. The bones were processed through sequential boiling and hydrogen peroxide treatment to remove organic matter, producing porous, mineral‐rich scaffolds.
Mohamad Hassan Taherian   +6 more
wiley   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran   +6 more
wiley   +1 more source

THE FIRST FINDING OF NATIVE BISMUTH, WAYLANDITE AND BEYERITE IN ALLUVIAL GOLD PLACER DEPOSITS OF ANGARA REGION, YENISEI RIDGE [PDF]

open access: yesМинералогия, 2017
The pebbles from alluvial gold placer deposits of the upper reaches of the Tatarka river in Angara region, Yenisei Ridge, are composed of bismuth minerals: crystal aggregates of native bismuth and pseudomorphic secondary oxides, carbonates, and ...
S.V. Pribavkin   +5 more
doaj  

User-centered design of central venous access device documentation. [PDF]

open access: yesJAMIA Open, 2022
Kandaswamy S   +10 more
europepmc   +1 more source

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