Results 61 to 70 of about 162,305 (348)

Deformation Behavior of Optical Ceramic Nanomultilayers: The Role of Aperiodicity

open access: yesAdvanced Engineering Materials, EarlyView.
Ceramic nanomultilayers demonstrate optical and mechanical behavior tunability through aperiodicity. Within the studied systems, optically optimized coatings exhibit an average ultraviolet, visible, and near‐infrared spectral transmittance above 90%.
Danielle E. White   +5 more
wiley   +1 more source

Zirconia and Y-doped zirconia aerogels and xerogels

open access: yesJournal de Chimie Physique, 1996
Des aerogels de zircone pure et dopee a l'yttrium ont ete synthetises par voie sol-gel en utilisant les techniques supercritiques et hydrothermales. La voie hydrothermale conduit a la formation de particules primaires de ZrO 2 cristallise constituees d'un melange de phases tetragonale et moniclinique tandis que la voie supercritique conduit a des ...
Y. Sun, Paul A. Sermon, M. S. W. Vong
openaire   +2 more sources

Intergranular metal phase increases thermal shock resistance of ceramic coating [PDF]

open access: yes, 1966
Dispersed copper phase increases the thermal shock resistance of a plasma-arc-sprayed coating of zirconia used as a heat barrier on a metal substrate. A small amount of copper is deposited on the granules of the zirconia powder before arc-spraying the ...
Carpenter, H. W.
core   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Cyclic thermogravimetry of TBC systems [PDF]

open access: yes, 2007
The previously developed cyclic thermogravimetry analysis (CTGA) method is applied to the cyclic oxidation at 1100 °C of ZrO2–Y2O3/NiPtAl or NiCoCrAlYTa/single crystal nickel-base AM3 superalloy TBC systems.
Monceau, Daniel   +2 more
core   +1 more source

Engineering Topographical Cues to Enhance Neural Regeneration in Spinal Cord Injury: Overcoming Challenges and Advancing Therapies

open access: yesAdvanced Functional Materials, EarlyView.
Spinal cord injury (SCI) poses significant challenges for regeneration due to a series of secondary injury mechanisms. How to use biomaterial approach to target the failed regeneration after SCI remains a critical challenge. This review systematically evaluates current strategies to optimize biomaterial topographies for neurite outgrowth, axonal ...
Wei Xu   +7 more
wiley   +1 more source

The impact of CO2 laser on the bond strength of translucent zirconia and traditional zirconia with the resin cement: In vitro study [PDF]

open access: yesBalkan Journal of Dental Medicine
Background/Aim: The aim of this study is to compare the impact of CO 2 laser on traditional zirconia and translucent zirconia in terms of the bonding strength to resin cement. Material and Methods: In this in-vitro study 20 zirconia disks (10 mm diameter
Saker Rima Jawdat, Zleik Bashar Moukhles
doaj   +1 more source

Optical properties of new zirconia-based dental ceramics: literature review

open access: yesCerâmica, 2021
The first generation of polycrystalline zirconia-based ceramic used to produce dental prosthesis showed excellent mechanical behavior; however, its low translucency limited the indication for aesthetic monolithic restorations.
G. Pizzolatto, M. Borba
doaj   +1 more source

Evaluating dental zirconia [PDF]

open access: yesDental Materials, 2019
To survey simple contact testing protocols for evaluating the mechanical integrity of zirconia dental ceramics. Specifically, to map vital material property variations and to quantify competing damage modes.Exploratory contact tests are conducted on layer structures representative of zirconia crowns on dentin.Sharp-tip micro- and nano-indentations were
Yu Zhang, Brian R. Lawn
openaire   +3 more sources

Osseointegration of zirconia implants compared with titanium : an in vivo study [PDF]

open access: yes, 2008
Background Titanium and titanium alloys are widely used for fabrication of dental implants. Since the material composition and the surface topography of a biomaterial play a fundamental role in osseointegration, various chemical and physical surface ...
Depprich, Rita   +9 more
core   +2 more sources

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