Results 71 to 80 of about 11,568 (264)

Dealloying of gold–copper alloy nanowires: From hillocks to ring-shaped nanopores

open access: yesBeilstein Journal of Nanotechnology, 2016
We report on a novel fabrication approach of metal nanowires with complex surface. Taking advantage of nodular growth triggered by the presence of surface defects created intentionally on the substrate as well as the high tilt angle between the magnetron
Adrien Chauvin   +7 more
doaj   +1 more source

Versatile Pneumatic Twisted Coiled Actuators Enabled by Fiber‐Polymer Composite Fabrication

open access: yesAdvanced Functional Materials, EarlyView.
This work reports composite Pneumatic Twisted Coiled Actuators with embedded Kevlar fibers that convert pneumatic or hydraulic pressure into powerful linear motion. A novel precise manufacturing technique is used to systematically explore how design variables influence actuator mechanics and dynamics.
William J. Townsend   +5 more
wiley   +1 more source

The Assessment of the Biocompatibility of Dental Alloys and Alloys for Dental Amalgam. Part First

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2014
Background: Dental alloys are widely used in applications where they come for a long time into contact with oral epithelium, connective tissue or alveolar bone.
Z. Broukal, V. Fialová, J. Novotný
doaj   +1 more source

Magnesium‐Based Transient Bioelectronics, Bio‐Optics and Bio‐Scaffolds

open access: yesAdvanced Functional Materials, EarlyView.
This paper reviews the state of the art and recent advances in magnesium‐based thin‐film, foils, and scaffolds for applications in transient bio‐optics, bioelectronics and tissue engineering. The design principles, fabrication methods, material properties, and integration strategies are discussed in detail.
Massimo Mariello, Yves Leterrier
wiley   +1 more source

Correlated Metal LaNiO3 as a p‐Type Transparent Conductor

open access: yesAdvanced Functional Materials, EarlyView.
p‐type transparent conducting oxides are needed to enable superstrate solar cell geometries with n‐type absorbers. The p‐type correlated metal LaNiO3 combines high optical transmission with low electrical resistivity and is compatible with a range of scalable deposition processes.
Shivang Beniwal   +8 more
wiley   +1 more source

Self‐Healing and Shape Memory Effects in Gold Microparticles through the Defects‐Mediated Diffusion

open access: yesAdvanced Science, 2017
Some metal alloys subjected to irreversible plastic deformation can repair the inflicted damage and/or recover their original shape upon heating.
Oleg Kovalenko   +3 more
doaj   +1 more source

The development of platinum alloys for jewellery applications by considering both the conventional and the advanced manufacturing techniques-review paper [PDF]

open access: yesMATEC Web of Conferences
The thermophysical properties of platinum (Pt) and its alloys are key when deciding on jewellery fabrication or manufacturing techniques. They include the platinum alloys’ density, viscosity, melting point, thermal conductivity, reflectivity and surface ...
Lekganyane Kedibone   +4 more
doaj   +1 more source

Biodegradable and Biocompatible Functional Polymers for Biomedical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han   +5 more
wiley   +1 more source

La metalurgia inca: estudio a partir de las colecciones del Museo de América de Madrid

open access: yesBulletin de l'Institut Français d'Études Andines, 2017
Metallurgy in Inca times reflects a technological heritage of over 2,000 years of metalworking in the vast region of the Central Andes. Copper and its alloys, silver, and gold were widely used metals.
Salvador Rovira
doaj   +1 more source

Ionic Precursors Transformed Into Vinyl Acetate Synthesis Catalyst via Reaction‐Driven Restructuring

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates that a simple physical mixture of Pd and Au ionic precursors, KOAc promoter, and SiO2 support can transform into a highly active vinyl acetate synthesis catalyst through reaction‐driven restructuring. The results highlight reaction‐induced restructuring as an innovative and sustainable catalyst design strategy.
Byeong Jun Cha   +11 more
wiley   +1 more source

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