Results 61 to 70 of about 179,749 (304)

Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments

Advanced Engineering Materials, EarlyView.
Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected to a cryolite corrosion test. The different atmospheres influenced the formation of oxide layers, which in turn affected corrosion resistance and ...
Patricia Kaiser, Felix Drechsler, Nora Brachhold, Florian Kerber, Christos G. Aneziris   +4 more
wiley   +1 more source

The Influence of Cerium on the Hydrogen Storage Properties of La_1-xCe_xNi₅ Alloys

Energies, 2020
La1-xCexNi5 alloys (x = 0, 0.09, 0.25 and 0.5) were investigated in terms of their structures, phase contents, hydrogen storage properties and microhardness. It was confirmed that a cerium addition to the reference (LaNi5) alloy caused structural changes
Magda Pęska, Julita Dworecka-Wójcik, Tomasz Płociński, Marek Polański   +3 more
doaj   +1 more source

Removal of ciprofloxacin from aqueous solutions using pillared clays [PDF]

, 2017
Emerging contaminants in the environment have caused enormous concern in the last few decades, and among them, antibiotics have received special attention.
Baschini, Miria Teresita, Roca Jalil, María Eugenia, Sapag, Manuel Karim   +2 more
core   +2 more sources

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

Advanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb, Zachary T. Kloenne, Samuel R. Rogers, Chi Hang Dominik Kwok, Mark C. Hardy, Michele S. Conroy, David Dye   +6 more
wiley   +1 more source

Effect of hydrophobic solutes on the liquid-liquid critical point

, 2010
Jagla ramp particles, interacting through a ramp potential with two characteristic length scales, are known to show in their bulk phase thermodynamic and dynamic anomalies, similar to what is found in water.
C. Tanford, Dario Corradini, H. Eugene Stanley, Paola Gallo, S. V. Buldyrev, Sergey V. Buldyrev   +5 more
core   +1 more source

High‐Temperature Nanoindentation of Metals: Assessing Thermal Drift, Frame Compliance, and Chemical Composition Effects on the Reported Mechanical Properties

Advanced Engineering Materials, EarlyView.
Do not let thermal drift and instrument artifacts deceive high‐temperature nanoindentation results. We compare classical Oliver–Pharr and automatic image recognition analyses across steels and a Ni alloy to quantify these effects. Accounting for artifacts reveals systematic softening with temperature, while Cr and Ni additions boost resistance ...
Velislava Yonkova, Steffen Brinckmann, Ruth Schwaiger   +2 more
wiley   +1 more source

Kinetic, Isotherm and Thermodynamic Studies on the Removal of Zn (II) From Aqueous Solution using Silica Adsorbent [PDF]

Journal of Advances in Environmental Health Research
Background: Water is essential for all life, but pollution, including heavy metals, poses severe health risks. The adsorption technology, known for being safe, cost-effective, and eco-friendly, uses silica to remove zinc ions from water.
Vivekanand Choudhary, Twinkle Keshari, Himanshu Shekhar   +2 more
doaj   +1 more source

Adsorption Isotherms of Hydrogen: The Role of Thermal Fluctuations

, 2001
It is shown that experimentally obtained isotherms of adsorption on solid substrates may be completely reconciled with Lifshitz theory when thermal fluctuations are taken into account. This is achieved within the framework of a solid-on-solid model which
A. O. Parry, C. R. Clemmer, D. Beaglehole, D. Hecht, D. Lando, E. Cheng, E. Cheng, E. Dzyaloshinskii, E. M. Lifshitz, E. S. Sabisky, F. Rieutord, G. D. Halsey, G. W. Bradberry, H. Freimuth, H. Raether, J. D. Weeks, J. Frenkel, Jens Vorberg, K. R. Mecke, Klaus Mecke, M. E. Fisher, M. P. Nightingale, P. A. Kralchevsky, S. Brunnauer, S. Herminghaus, Stephan Herminghaus, T. L. Hill, V. Panella, W. Selke   +28 more
core   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Análise das isotermas de adsorção de Cu(II), Cd(II), Ni(II) e Zn(II) pela N-(3,4-dihidroxibenzil) quitosana empregando o método da regressão não linear

Química Nova, 1998
Adsorption of Cu(II), Ni(II), Pb(II) and Zn(II) ions from aqueous solutions by N-(3,4-dihydroxybenzyl) chitosan have been carried out. The Langmuir (L), Freundlich (F), Langmuir - Freundlich (LF), Redlich-Peterson (RP) and Tóth (T) adsorption isotherms ...
Klug Marilene, Sanches Maria N. M., Laranjeira Mauro C. M., Fávere Valfredo T., Rodrigues Clovis A.   +4 more
doaj