Results 61 to 70 of about 26,055 (247)

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites

Advanced Engineering Materials, EarlyView.
Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance. Detailed EBSD investigations identify subgrain formation in the steel matrix as the dominant deformation mechanism.
Moritz Müller, Amaya Compart, Mahnaz Mehdizadehlima, Serhii Yaroshevskyi, Christos G. Aneziris, Horst Biermann, Anja Weidner   +6 more
wiley   +1 more source

Fresnel Interferometric Imager: ground-based prototype

, 2009
The Fresnel Interferometric Imager is a space-based astronomical telescope project yielding milli-arc second angular resolution and high contrast images with loose manufacturing constraints.
Baez, Baez, Chesnokov, Faklis, Faklis, Guyon, Hasman, Hyde, Kipp, Koechlin, Koechlin, Levy, Nisenson, Serre, Soret, Swanson   +15 more
core   +1 more source

Laser Metal Powder Deposition of Titanium Microalloyed HSLA Steel FeC0.12Si0.25Mn1.3

Advanced Engineering Materials, EarlyView.
This study investigates the additive manufacturing of titanium‐doped high‐strength low‐alloy (HSLA) steel via laser metal deposition. It reveals distinct process‐structure relationships for elemental powder blends compared to prealloyed feedstocks.
Olaf Stelling, Matthias Steinbacher, Nils Ellendt   +2 more
wiley   +1 more source

X-ray interferometry with transmissive beam combiners for ultra-high angular resolution astronomy

, 2009
Interferometry provides one of the possible routes to ultra-high angular resolution for X-ray and gamma-ray astronomy. Sub-micro-arc-second angular resolution, necessary to achieve objectives such as imaging the regions around the event horizon of a ...
Krizmanic, J. F., Skinner, G. K.
core   +1 more source

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

Advanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie, David Kramer, Thomas Scheithauer, Hans Jürgen Maier, Thomas Hassel   +4 more
wiley   +1 more source

Diffractive small angle X-ray scattering imaging for anisotropic structures

Nature Communications, 2019
Mesoscale investigations of material microarchitecture using small angle X-ray scattering (SAXS) methods have been limited by long measurement times. Here, the authors present an X-ray diffractive optics method which enables single shot acquisition of ...
Matias Kagias, Zhentian Wang, Mie Elholm Birkbak, Erik Lauridsen, Matteo Abis, Goran Lovric, Konstantins Jefimovs, Marco Stampanoni   +7 more
doaj   +1 more source

Nanoindentation Criteria for Combinatorial Thin Film Libraries

Advanced 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

Machine Optics Studies for the LHC Measurements

, 2014
In this work the properties of scattered protons in the vicinity of the ATLAS Interaction Point (IP1) for various LHC optics settings are discussed. Firstly, the beam elements installed around IP1 are presented.
Trzebinski, M.
core   +1 more source

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

Advanced 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

Eye-Safe Solid-State Quasi-CW Raman Laser with Millisecond Pulse Duration

, 2012
We demonstrate the first quasi-CW (ms-long pulses, pump duty cycle of 10%) end-diode pumped solid state laser generating eye-safe radiation via intracavity Raman conversion. The output power at the first Stokes wavelength (1524 nm) was 250 mW.
Agnesi, Anton A. Kananovich, Apanasevich, Apanasevich, Bermudez, Boyd, Cerný, Chen, Dekker, Dekker, Demidovich, Di Lieto, Dmitriy H. Zusin, Fan, Grabchikov, Grabtchikov, Grasjuk, Innocenzi, Kaminskii, Kananovich, Kananovich, Lee, Lee, Lisinetskii, Ogilvy, Omatsu, Pask, Pask, Pask, Pavel, Pavel A. Apanasevich, Sato, Tidwell, Valentin A. Orlovich, Vladimir I. Dashkevich, Weber, Yao, Zagumennyi   +37 more
core   +1 more source