Results 171 to 180 of about 5,354,089 (273)

Nanoindentation Criteria for Combinatorial Thin Film Libraries

open access: yesAdvanced Engineering Materials, EarlyView.
Thin‐film material libraries are compositional spreads used for screening composition‐structure‐property relationships. Nanoindentation is often used to characterize mechanical behavior across these systems, however variations in methodology are widespread.
Andre Bohn, Adie Alwen, Andrea M. Hodge
wiley   +1 more source

A GEOPOLÍTICA E OS PARADIGMAS DA LITERATURA COMPARADA AMERICANA

open access: yesRevista Brasileira de Literatura Comparada
O estudo da literatura árabe nos Estados Unidos tem-se submetido a duas lógicas: uma que considera o árabe como uma extensão  das necessidades da política externa e outra que alarga o espectro da Literatura Comparada.
Wail S. Hassan
doaj  

Semaglutide Protects Retinal Ganglion Cells Against Rotenone-Induced Degeneration via Improved Glucose Metabolism. [PDF]

open access: yesInvest Ophthalmol Vis Sci
Mouhammad ZA   +8 more
europepmc   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

NACIONALISMO MIMÉTICO? LEITURAS DE UM CONCEITO: CULTURAS SHAKESPEARIANAS

open access: yesRevista Brasileira de Literatura Comparada
O subtítulo do livro ¿Culturas shakespearianas?, de João Cezar de Castro Rocha, nos informa dos laços entre Teoría mimética y América Latina. Contudo, logo perceberemos que restringir o tema à geografia seria um erro.
Vinicius Schröder
doaj  

Micro- and nano-scale topographical alterations in dental alloys after exposure to artificial saliva: a combined SEM-AFM study. [PDF]

open access: yesRSC Adv
Jusufi Osmani Z   +5 more
europepmc   +1 more source

SEM characterization of mm-long nanowires

open access: yes
The fabrication of optical fibre nanowires has recently attracted much attention [1-5]. Nanowires longer than 110mm [2] and with diameters smaller than 20 nm [5] have now been fabricated using a top-down approach.
Brambilla, Gilberto   +2 more
core  

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

open access: yesAdvanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth   +6 more
wiley   +1 more source

Four‐Point Bending Tests at High Temperatures on Commercial MgO‐C Refractory Bricks with and Without Recyclate Considering Different Carbon Contents

open access: yesAdvanced Engineering Materials, EarlyView.
Four‐point bending tests are conducted in an argon atmosphere on commercial MgO‐C brick grades with and without MgO‐C recyclate from room temperature up to 1300 °C. No detrimental effect of the MgO‐C recyclates on bending strength is found. Instead, a decisive influence of the total carbon content is observed, with lower total carbon contents ...
Alexander Schramm   +5 more
wiley   +1 more source

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