Results 31 to 40 of about 149 (145)

Structure formation: Satellites of satellites in isolation [PDF]

open access: yesNature Astronomy, 2017
The discovery of groups of dwarf galaxies in extremely isolated environments provides direct observational evidence of hierarchical assembly at small galactic scales.
openaire   +2 more sources

Development of a Novel Processing Route for Dispersoid/Precipitation‐Strengthened High Conductive Copper Alloys by Using Metalized Nanoceramics in Additive Manufacturing

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores a process chain to produce dispersoid‐strengthened CuCr1Zr for applications requiring high strength and conductivity. Using gas‐atomized powder and copper‐plated alumina nanoparticles, additive manufacturing is performed via powder bed based additive manufacturing with green and red lasers, followed by heat treatment.
Heinrich von Lintel   +7 more
wiley   +1 more source

Advancing Digital Transformation in Material Science: The Role of Workflows Within the MaterialDigital Initiative

open access: yesAdvanced Engineering Materials, Volume 27, Issue 8, April 2025.
The MaterialDigital initiative drives the digital transformation of material science by promoting findable, accessible, interoperable, and reusable principles and enhancing data interoperability. This article explores the role of scientific workflows, highlights challenges in their adoption, and introduces the Workflow Store as a key tool for sharing ...
Simon Bekemeier   +37 more
wiley   +1 more source

Influence of Specific Ball‐Milling Energy on Mechanical and Corrosion Properties of Zn–0.2 Graphene Nanoplatelet Composites

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
In this study, the effect of specific ball‐milling energy (SBME) on the mechanical and corrosion properties of graphene nanoplatelets (GNPs) Zn matrix composites is presented. GNPs are uniformly dispersed in the Zn powder mixtures at the optimal SBME of 32.82 kJ g−1.
Humayun Kabir   +3 more
wiley   +1 more source

The Satellite of Algol [PDF]

open access: yesNature, 1890
THE results of Vogel's photographs as to the satellite of Algol are of great interest to your astronomical readers. The observations made at Greenwich tended to the same result, but were unfortunately intermitted before anything approaching certainty was arrived at.
openaire   +3 more sources

A Novel Approach on Rapid Alloy Development of Tool Steels for Laser Powder Bed Fusion by In Situ Alloying

open access: yesAdvanced Engineering Materials, EarlyView.
A novel approach for alloy development in laser powder bed fusion is introduced. Instead of producing massive samples of one composition at a time, prepressed powder bed samples produced from powder mixtures are processed. Guidelines for the selection of precursor powders are developed.
Felix Großwendt   +6 more
wiley   +1 more source

Green Multicomponent Alloys with Excellent Multifunctional and Mechanical Properties

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
A sustainable strategy for developing multifunctional green multicomponent alloys (MCAs) using cheap scrap materials is demonstrated. The developed green MCAs with disordered–ordered structures enable a joint regulation of dislocation behavior, scattering of conduction electrons, and motion of magnetic domain walls, leading to high strength and ...
Ronggen Gong   +7 more
wiley   +1 more source

Effects of Processing Conditions of a Ball‐Milled Fe65Co35 Soft Ferromagnetic Alloy on the Structural, Thermal, and Magnetic Properties

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
In the present work, synthesizing nanoscrystalline Fe65Co35 alloy by mechanical alloying is focused on, adding cyclohexane (C6H12) acting as a process control agent (PCA). PCAs are effective in favoring nanostructured alloys with uniform grain size. The production of this type of alloy is a promising approach to tune the magnetic hardness in Fe65Co35 ...
Jason Daza   +9 more
wiley   +1 more source

Hybrid Framework Materials: Next‐Generation Engineering Materials

open access: yesAdvanced Engineering Materials, Volume 27, Issue 9, May 2025.
Hybrid organic–inorganic materials merge the unique properties of organic and inorganic compounds, enabling applications in optoelectronics, gas storage, and catalysis. This review explores metal‐organic frameworks, hybrid organic–inorganic perovskites, and the emerging field of hybrid glasses, emphasizing their structures, functionalities, and ...
Jay McCarron   +2 more
wiley   +1 more source

Supercooling Effect in Miniature Gallium Phase Transition Cell

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
In this article, a controversial issue concerning the possibility of suppressing supercooling in miniaturized gallium cells is analyzed. The supercooling effect is studied in a homemade gallium cell for space applications, and dependence between supercooling and overheating temperature is found in operative conditions.
Giuseppina Lopardo   +6 more
wiley   +1 more source

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