Results 61 to 70 of about 182,806 (308)

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

Crystal-Orientation-Related Dynamic Tuning of the Lasing Spectra of CdS Nanobelts by Piezoelectric Polarization

open access: yes, 2019
Realizing dynamic wavelength tunability could bring about tremendous impacts in laser technology, pressure nanosensing, and lab-on-a-chip devices. Here, we demonstrate an original strategy to operate the lasing mode shift through reversible length ...
Yiyao Peng   +19 more
core   +1 more source

LOW CYCLE FATIGUE LIFE PREDICTION METHOD FOR SINGLE CRYSTAL NICKEL-BASE SUPERALLOYS AT HIGH TEMPERATURE

open access: yesJixie qiangdu, 2015
A low cycle fatigue life prediction method for single crystal nickel-base superalloys at high temperature is presented,and the method can consider the effect of average stress,strain ratio and crystal orientation on fatigue life.Firstly,a fatigue life ...
CHEN Hong, JIANG HongDe
doaj  

The preferred orientation of electrodeposited dendrites of lead, tin and zinc

open access: yesJournal of Electrochemical Science and Engineering
Morphology and crystal orientation of electrolytically produced dendrites of lead, tin, and zinc have been investigated with the aim of establishing any correlation between them.
Nebojša D. Nikolić   +4 more
doaj   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Crystal structure of a DNA containing the planar, phenoxazine-derived bi-functional spectroscopic probe Ç

open access: yes, 2011
Electron Paramagnetic Resonance (EPR) spectroscopy and fluorescence spectroscopy are complementary biophysical techniques used to examine the structure and dynamics of macromolecules.
Reginsson, Gunnar Widtfeldt   +13 more
core   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar   +2 more
wiley   +1 more source

Surface morphology, crystal structure and orientation of aluminium coatings electrodeposited on mild steel in ionic liquid

open access: yes, 2009
Galvano-static electrodeposition was used to electrodeposit aluminium on mild steel in AlCl(3)/[bmim]Cl (1-butyl-3-methylimidazolium chloride) ionic liquid at variable temperatures (308-328 K).
Yue, Guikuan   +5 more
core   +1 more source

Magnetically-assembled micro/mesopixels exhibiting light intensity enhancement in the (012) planes of fish guanine crystals

open access: yesAIP Advances, 2018
In this study, a new method was investigated to form light-reflecting dots at the micrometer scale using the magnetic orientations of biogenic guanine crystals obtained from fish skin and scales.
T. Chikashige, M. Iwasaka
doaj   +1 more source

Orientable and non‐orientable director fields for liquid crystals [PDF]

open access: yesPAMM, 2007
AbstractUniaxial nematic liquid crystals are often modelled using the Oseen‐Frank theory, in which the mean orientation of the rodlike molecules is described through a unit vector field n. This theory has the apparent drawback that it does not respect the head‐to‐tail symmetry in which n should be equivalent to −n; that is, instead of n taking values ...
John M. Ball, Arghir Zarnescu
openaire   +1 more source

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