Results 31 to 40 of about 1,675,164 (219)

Phase transformation during continuous heating in a β-quenched Ti-5Al-3Mo-3V-2Cr-2Zr-1Nb-1Fe alloy [PDF]

open access: yesMATEC Web of Conferences, 2020
As a new near β titanium alloy designed by NIN (the Northwest Institute for Non-ferrous Metal Research), the phase transformations of the β-quenched Ti-5Al-3Mo-3V-2Cr-2Zr-1Nb-1Fe alloy during continuous heating have been investigated by means of in situ ...
Wu Cong   +3 more
doaj   +1 more source

Validation and setting up quality control for characterization of aluminum alloys in non‑ferrous fraction of auto‑shredders [PDF]

open access: yes, 2020
: The improvement of recycling rates of metal waste, namely those of end-of life vehicles, is nowadays becoming imperative. Aluminum and its alloys are the main metal components in non-ferrous fraction of auto-shredders separated out after sampling ...
Trancoso, Maria Ascensão   +2 more
core   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

open access: yesAdvanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li   +9 more
wiley   +1 more source

Revealing the deformation behavior among grains and phases of dual-phase Zr-2.5Nb alloy via quasi-in situ SEM-EBSD

open access: yesJournal of Materials Research and Technology
This study systematically investigates the deformation and fracture damage mechanisms of a dual-phase Zr-2.5Nb alloy at room-temperature via quasi-in situ SEM-EBSD tensile testing.
Qi Du   +10 more
doaj   +1 more source

Microscale Patterning of Ultrahigh‐Viscosity Metallic‐Polymer Composites via Embedded Droplet Writing

open access: yesAdvanced Functional Materials, EarlyView.
A hybrid additive manufacturing platform integrates direct droplet writing of metallic composite with VAT photopolymerization to fabricate architected soft magnetic composites. This approach enables microscale patterning of high‐viscosity materials for programmable actuators, adaptive fluidic devices, and switchable adhesives, offering tunable ...
Yeowon Yoon   +4 more
wiley   +1 more source

Amorphous-Nanocrystalline Composites Prepared by High-Pressure Torsion

open access: yesMetals, 2020
This article presents systematic studies of the preparation method and the specific features of the changes in the structure and properties of amorphous-nanocrystalline composites formed from melt-quenched ribbons of iron- and cobalt-based amorphous ...
Inga Permyakova, Alex Glezer
doaj   +1 more source

Iron and sulfur utilisation patterns in chemolithotrophic cultures [PDF]

open access: yes, 2012
In this study, the growth and behaviour of chemolithotrophic organisms in the presence of both ferrous and tetrathionate ions was investigated. Given the impact of chemolithotrophic metabolic activity upon the chemistry and leaching of mineral sulfide ...
Shiers, Denis
core  

Hybrid Ferroelectric Tunnel Junctions with Intrinsic Nonlinearity and Self‐Rectification via Interfacial Reconstruction

open access: yesAdvanced Functional Materials, EarlyView.
Rapid thermal annealing reconstructs the BCFO/Nb:STO interface into an atomically thin reconstructed interfacial layer, which reshapes the tunneling barrier and converts a high‐TER ferroelectric tunnel junction into an intrinsically nonlinear, self‐rectifying device.
Hojin Lee   +21 more
wiley   +1 more source

Determination of 10 Trace Impurity Elements in Titanium and Titanium Alloys with DC Arc Atomic Emission Spectrometry

open access: yesYankuang ceshi, 2014
High purity titanium and titanium alloy have good plasticity, but with the presence of impurity, their performance will become brittle and hard. The accurate quantitative analysis of impurity elements is useful for carrying on the quality control of ...
WANG Hui   +3 more
doaj   +2 more sources

Application of High Pressure Closed Digestion in Pretreatment of Effective Soil Samples

open access: yesYankuang ceshi, 2020
BACKGROUND After the soil sample is extracted by organic acid, there are a lot of organic acids and organic matter in the solution. If these remaining materials are not destroyed, the central tube and rectangular tube of the atomizer are easily plugged ...
REN Dong, CHEN Yu-hao, ZHANG Ting-zhong
doaj   +1 more source

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