Results 81 to 90 of about 285,357 (258)
Design and Applications of Multi‐Frequency Programmable Metamaterials for Adaptive Stealth
Advanced Functional Materials, Volume 36, Issue 5, 15 January 2026.This article provides a comprehensive overview of metamaterials, including their fundamental principles, properties, synthesis techniques, and applications in stealth, as well as their challenges and future prospects. It covers topics that are more advanced than those typically discussed in existing review articles, while still being closely connected ...
Jonathan Tersur Orasugh +4 more
wiley +1 more source
Morphology and Magnetic Properties of Hexagonal Ferrite Sr₁₋ₓMₓFe₁₂₋ₓZnxO₁₉ (M= La, Dy, Nd, Yb) [PDF]
, 2003 A permanent magnet in the form of a ring or disc is one of the components in many devices. In this project, hard magnetic ferrite with formula Sr₁₋ₓMₓFe₁₂₋ₓZnxO₁₉ (x= 0.1, 0.3, 0.5, 0.7, 0.9) (M= La, Nd, Dy, Vb) is used because of the low cost, high ...
Mohd Saiden, Norlaily
core
Electromagnetic Properties of Selected Hexaferrites
Advances in Electrical and Electronic Engineering, 2008 Ba(Sr)(Me12+Me24+)xFe12-xO19 hexagonal ferrites preparation with substitution ratio of 0.0 x 0.6. The iron ionswere substituted by selected cation combinations (divalent Me12+= Ni, Zn, Sn, Co and tetravalent Me24+= Ti, Zr, Ru ions).The samples were ...
Anna Gruskova +6 more
doaj
Synthesis and magnetic characterization of Sr-based Ni2X-type hexaferrite
AIP Advances, 2015 We have investigated the synthesis conditions, and the magnetic properties of the Sr2Ni2X-type hexagonal ferrite, Sr2Ni2Fe28O46. The Sr2Ni2X-type hexaferrite was synthesized at 1240∘C.
K. Kamishima +5 more
doaj +1 more source
Additive Manufacturing of Negative Thermal Expansion Metamaterials Using Steels
Advanced Materials Technologies, Volume 11, Issue 1, 8 January 2026.Architected lattices with tunable negative thermal expansion are fabricated from common steels using laser powder bed fusion metal additive manufacturing. Optimized multimaterial interfaces and geometry‐driven design produce robust, defect‐minimized structures that remain dimensionally stable up to 300 °C, enabling scalable solutions for thermal ...
Devashish Dubey +4 more
wiley +1 more source
Tribological properties of structural ceramics [PDF]
The tribological and lubricated behavior of both oxide and nonoxide ceramics are reviewed in this chapter. Ceramics are examined in contact with themselves, other harder materials and metals.
Buckley, D. H., Miyoshi, K.
core +1 more source
Composition Dependence of Structural Parameters and Properties of Gallium Ferrite
, 2011 We show the effect of composition on structural and magnetic characteristics of pure phase polycrystalline GaFeO (GFO) for compositions between 0.8
Abrahams +29 more
core +1 more source
Fundamental tribological properties of ceramics [PDF]
When a ceramic is brought into contact with itself, another ceramic, or a metal, strong bond forces can develop between the materials. Adhesion between a ceramic and itself or another solid are discussed from a theoretical consideration of the nature of ...
Buckley, D. H., Miyoshi, K.
core +1 more source
Main Group Metal Chemistry, 2017 Hard magnetic SrFe12O19 (SrFe) nanostructures were synthesized via a facile sol–gel procedure. The effects of temperature concentration and different capping agents on the particle size and morphology of the magnetic nanoparticles were investigated.
Ahmadi Ali +2 more
doaj +1 more source
Friction and wear of single-crystal and polycrystalline maganese-zinc ferrite in contact with various metals [PDF]
Sliding friction experiments were conducted with single-crystal (SCF) and hot-pressed polycrystalline (HPF) manganese-zinc ferrite in contact with various metals.
Buckley, D. H., Miyoshi, K.
core +1 more source