Results 31 to 40 of about 76,983 (257)

High-temperature X-ray powder diffraction study of the tetragonal-cubic phase transition in nanocrystalline, compositionally homogeneous ZrO2-CeO2 solid solutions

, 2008
Crystal structure of compositionally homogeneous, nanocrystalline ZrO2-CeO2 solutions was investigated by X-ray powder diffraction as a function of temperature for compositions between 50 and 65 mol % CeO2 center dot ZrO2-50 and 60 mol % CeO2 solid ...
RECA, N. E. Walsoee de, Craievich, Aldo Felix, ACUNA, L. M., LAMAS, D. G., FUENTES, R. O., FABREGAS, I. O.   +5 more
core   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

Advanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo, Shuo Qu, Shiming Gao, Xu Song   +3 more
wiley   +1 more source

Powder X-ray characterization of djenkolic acid

, 2001
X-ray powder diffraction data for the orthorhombic natural amino acid djenkolic acid, C7H14N2O4S2, is described in this paper. The orthorhombic cell parameters are: a = 8.12 Angstrom, b = 12.16 Angstrom, and c = 5.38 Angstrom .
Melnikov, P., Massabni, Antonio Carlos, Corbi, P. P., Cavicchioli, M., Massabni, Antonio Carlos [UNESP], Cuin, A.   +5 more
core   +1 more source

Electrochemical Evaluation of Compressed Selective Laser Melted AlSi7Mg and AlSi10Mg Alloys in Chloride Environment

Advanced Engineering Materials, EarlyView.
The corrosion performance of AlSi7Mg and AlSi10Mg alloys produced through selective laser melting (SLM) was examined under compressive stress in a chloride environment. Electrochemical analyses, including open‐circuit potential (OCP), potentiodynamic polarization (CPP), and electrochemical impedance spectroscopy (EIS), were complemented by scanning ...
Femi John Akinfolarin, Samson Dare Oguntuyi, Peter Apata Olubambi   +2 more
wiley   +1 more source

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

Advanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe, Tuba Yener, Suayb Cagri Yener, Mourad Keddam, Cuma Bindal   +4 more
wiley   +1 more source

Crystal structure of 2,5-dihydroxyterephthalic acid from powder diffraction data

Acta Crystallographica Section E: Crystallographic Communications, 2022
The crystal structure of anhydrous 2,5-dhydroxyterephthalic acid, C8H6O6, was solved and refined using laboratory X-ray powder diffraction data, and optimized using density functional techniques.
Joshua D. Vegetabile, James A. Kaduk
doaj   +1 more source

Electron powder diffraction [PDF]

, 2007
Electron powder diffraction patterns can be recorded from small volumes of nanoparticles or localized areas of nanocrystalline thin films, which makes electron diffraction a complementary technique to X-ray and neutron powder diffraction for challenging samples.
Zuo, J.-M., Lábár, J. L., Zhang, J., Gorelik, T. E., Kolb, U.   +4 more
openaire   +2 more sources

Study of calcium oxalate monohydrate of kidney stones by X-ray diffraction

, 2008
X-ray powder diffraction was used to study the phase composition of human renal calculi. The stones were collected from 56 donors in Vitoria, Espirito Santo state, southeastern Brazil.
SOUZA, D. O. de, DEPIANTI, J. B., MEDEIROS, E. F., ORTIZ, R., MARTINEZ, L. G., ORLANDO, M. T. D., KUPLICH, L., ORLANDO, C. G. P., BELICH, H., CRUZ, P. C. M. da, CORREA, H. P. S.   +10 more
core   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

Advanced 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, Krzysztof S. Stopka, Michael D. Sangid   +2 more
wiley   +1 more source

X-RAY POWDER DIFFRACTION IN QUALITY CONTROL OF MEDICINES

Регуляторные исследования и экспертиза лекарственных средств, 2018
X-ray powder diffraction is one of the methods used for detection and analysis of polymorphic forms of pharmaceutical substances. The article elucidates the concept of polymorphism, briefly explains physical characteristics of this phenomenon, conditions
V. S. Kuzmin, V. V. Chernyshev, A. I. Luttseva   +2 more
doaj   +1 more source