Results 61 to 70 of about 13,108 (235)
Influence of prolonged sintering time on density and electrical properties of isothermally sintered cordierite-based ceramics [PDF]
Science of Sintering, 2013 Mechanical activation is a commonly used and relatively fast and inexpensive procedure for sample preparation before the sintering process. Cordierite, a stoichiometric mixture of three different oxides (2MgO⋅2Al2O3⋅5SiO2) is a very attractive, widely
Peleš A. +4 more
doaj +1 more source
A Sustainable Processing Route for Open Cell Glass Foams With Hierarchical Pore Structure
Journal of the American Ceramic Society, Volume 109, Issue 3, March 2026.A sodium‐borosilicate glass powder carbonate mixture is mixed with an acidified silica solution. CO2‐gas evolution takes place, and the liquid foam quickly hardens due to condensation of the dissolved silica. The obtained, dried green bodies with an open‐cell structure are heat‐treated and subsequently submitted to a phase‐separation/leaching procedure
Tobias Günther +4 more
wiley +1 more source
On the Usability of Pt/Al2O3 Catalysts for Exhaust Gas After Treatment in Ammonia Combustion Engines
Chemie Ingenieur Technik, Volume 98, Issue 1-2, Page 27-36, February 2026.Ammonia engines emit no CO2 but exhibit elevated emissions of NH3 and NOx, where conventional SCR systems are not effective due to the significant excess of NH3. This study investigates Pt‐based oxidation catalysts in a bypass configuration to adjust the NH3/NOx ratio, analyzing catalyst parameters and their impact on N2O formation to identify optimal ...
J. Breuer +2 more
wiley +1 more source
Success of sky-polarimetric Viking navigation: revealing the chance Viking sailors could reach Greenland from Norway [PDF]
Royal Society Open Science, 2018 According to a famous hypothesis, Viking sailors could navigate along the latitude between Norway and Greenland by means of sky polarization in cloudy weather using a sun compass and sunstone crystals.
Dénes Száz, Gábor Horváth
doaj +1 more source
Tectonics, Volume 45, Issue 2, February 2026.Abstract The Rudall Province (RP) is a Paleo‐Mesoproterozoic belt that records numerous overprinting tectono‐metamorphic events. Situated on the eastern edge of the West Australian Craton (WAC), the RP represents a key area for understanding the Proterozoic assembly and subsequent tectonic history of Western Australia.
Alejandra Bedoya +6 more
wiley +1 more source
Química Nova, 2014 In this study, the influence of mechanical activation by intensive ball milling of a stoichiometric mixture of talc, kaolin, and alumina on the mechanism and kinetics of cordierite (2MgO·2Al2O3·5SiO2) formation was evaluated.
João Batista Rodrigues Neto +2 more
doaj +1 more source
Polymetamorphism and ductile deformation of staurolite-cordierite schist of the Bossost Dome: indication for Variscan extension in the Axial Zone of the central Pyrenees [PDF]
, 2003 – The Bossòst dome is an E–W-trending elongated structural and metamorphic dome developed in Cambro-Ordovician metasedimentary rocks in the Variscan Axial Zone of the central Pyrenees.
Mezger, J.E., Passchier, C.W.
core +3 more sources
Tectonics, Volume 45, Issue 2, February 2026.Abstract In the Central Alps, the Adula unit exposes high‐ and ultra‐high‐pressure (HP‐UHP) metamorphic rocks, providing key insights into the subduction and exhumation dynamics of the former distal European margin. We investigate the San Bernardino Shear Zone (SBSZ), a top‐to‐the‐east extensional shear zone developed within orthogneiss and paragneiss ...
C. Montemagni +4 more
wiley +1 more source
Scientific Reports, 2019 Multi-structured Ag/MnO2-cordierite molded catalysts were prepared by hydrothermal method and applied to the catalytic oxidation of VOCs. Catalytic activities of Ag/MnO2-cordierite were evaluated by 1000 ppm of toluene, ethyl acetate and chlorobenzene ...
Jianan Zhu +6 more
doaj +1 more source
Location, Location, Location: Monazite Behaviour During UHT Metamorphism and Melt Crystallization
Journal of Metamorphic Geology, Volume 44, Issue 2, Page 158-175, February 2026.ABSTRACT Monazite is a robust mineral for recording the suprasolidus evolution of migmatites and granulites. However, monazite commonly has diverse compositions and yields variable dates in a single sample; understanding the controls on monazite behaviour and composition during partial melting and melt crystallization are not always straightforward ...
Chris Yakymchuk +2 more
wiley +1 more source