Materiales

 

Materiales

Current‐Carrying Tribological Behavior of NbN Coating under Oil Lubrication
13/07/2025 - This study investigates the tribological behavior of NbN coatings on steel substrates using magnetron sputtering. Results show that NbN coatings reduce the wear rate by 97.5% compared to uncoated...
Experiments and Atomic Insights on the Tribological Properties of Functionalized Graphene‐Reinforced Polyetheretherketone/Polytetrafluoroethylene Composites
13/07/2025 - Graphene nanosheets (GNS) grafted with carboxyl reinforced polyetheretherketone/polytetrafluoroethylene.(PEEK/PTFE) composites achieve 20.9% lower wear rate than pure GNS composites, forming denser...
Predicting Fatigue Strength in Additively Manufactured Metals: A Novel Minimum Independent Hazard Volume Approach to Size Effects
13/07/2025 - The minimum independent hazardous element proposed in this section is the minimum volume that satisfies the condition of having an average of one critical defect.Additive manufacturing (AM) specimens...
Advancements in Understanding the Characteristics of Gas Atomized Powders: A Review
12/07/2025 - To overcome the defects present in atomized powders utilized in additive manufacturing, this study focuses on investigating the influencing factors of particle size distribution, as well as the...
Characterization of the Microstructure and Mechanical Properties of a Novel Functionally Graded Material Based on Al–Zn–Cu–Mg Alloy Matrix Reinforced with Few‐Layered Graphene
12/07/2025 - The functionally graded material (FGM) based on the Al–Zn–Cu–Mg alloy matrix reinforced with few‐layered graphene (FLG) is designed by powder metallurgy in six layers by increasing the weight...
Dynamic Behavior of Fused Filament Fabricated Continuous Ramie Fiber‐Reinforced Polypropylene Composites under Diverse Loading Conditions
11/07/2025 - Continuous ramie fiber‐reinforced polypropylene composites are fabricated via fused filament fabrication 3D printing, offering environmental friendliness and high strength. Their mechanical...
Additive Manufacturing of Neuromorphic Systems
14/07/2025 - The crossover of additive Manufacturing (AM) and neuromorphic engineering promises a new paradigm in the fabrication of intelligent hardware—one that is sustainable, scalable, cost‐efficient, and...
Reversible Thermochromic Organosilicon Fibers Based on TiO2@AgI Composites: Preparation, Properties, and Potential Applications
14/07/2025 - A medium‐high temperature reversible thermochromic organosilicon fiber is prepared by a high‐temperature air‐induced crosslinking method, which has a large color difference (ΔE = 25.72),...
Tri‐System Interlocking Top‐Encased Structures Enabled Highly Stable Tin‐Lead Perovskite Photodetection Arrays
11/07/2025 - A unique tri‐system interlocking top‐encased structure is formed for tin‐lead perovskites by the introduction of novel CGA additive. The fabricated tin‐lead perovskite NIR photodetector shows...
Designing the Next Generation of Biomaterials through Nanoengineering
11/07/2025 - Nanoengineering enables precise control over biomaterial interactions with living systems by tuning surface energy, defects, porosity, and crystallinity. This review highlights how these nanoscale...
Nanoarchitectonics of Metal–Organic Framework and Nanocellulose Composites for Multifunctional Environmental Remediation
11/07/2025 - Nanoscale metal–organic frameworks (MOFs) and nanocellulose composites have significant potential for the multi‐functional remediation of the environment. This review focused on the synthesis...
A Sprayable Hydrogel Based on Biomimetic Polypeptide‐Modified Lipid Nanoparticles for Treating Non‐Compressible Hemorrhaging (Adv. Mater. 27/2025)
10/07/2025 - Sprayable HydrogelThis study designs a sprayable hydrogel based on polypeptide‐modified lipid nanoparticles (PLNs) to treat non‐compressible hemorrhage. Functionalized with GFOGER and GGQQLK...
Gel‐Gel Interface Engineering for the Synthesis of Anisotropic Hydrogels with Designable Polymer Orientations
09/07/2025 - This study reports that when a gel‐gel interface is intentionally introduced into a hydrogel via two‐step polymerization, the polymer networks near the interface spontaneously align perpendicular...
A Novel Time‐Division Multiplexing Architecture Revealed by Reconfigurable Synapse for Deep Neural Networks
09/07/2025 - In this work, a novel double gate‐controlled synapse transistor featuring a graphene/2D perovskite/carbon nanotubes heterostructure is developed, enabling reconfigurable synaptic memory to support...
Initiating Strain Field for Mitigating Lead Leakage in Perovskite Solar Cells with Built‐in Encapsulating Networks
09/07/2025 - This work demonstrates that chemical sealing networks and strain field regulation enhance the stability of perovskite film and inhibit Pb leakage, achieving a 96.98% suppression of Pb leakage. The...
Towards Differentiation in Untethered Microactuators: A Soft Fabrication Strategy
07/07/2025 - This article introduces a fabrication strategy for developing soft microactuators with orthogonally programmed shape, texture, and molecular anisotropy. Using microfluidics to generate liquid crystal...
High‐Temperature Enhancing Triboelectric Nanogenerator Based on Antioxidant Liquid Crystalline Polyarylate
07/07/2025 - A high‐temperature enhancing triboelectric nanogenerator (HTE‐TENG) based on antioxidant liquid crystalline polyarylate (LCP), the highly rigid main chain of which endows TENG with excellent heat...
Automated thermal desorption-gas chromatography/mass spectrometry for screening of hazardous chemicals in cotton and cotton blend garments—analytical challenges
- The global production of textiles involves large amounts of health-hazardous chemicals, constituting possible health risks since residues usually remain in the finished garments. In the present...
Au Nanoparticles, Green Synthesized by Plants of Bignoniaceae Family: Antioxidant Powerhouses with DNA Damage Mitigation Activity
- The synthesis of nanoparticles using plant extracts has become a green approach for developing modern drugs. This study focuses on synthesizing gold nanoparticles (Au NPs) using methanolic leaf...
Anticorrosive Behavior of a Novel Ternary RGO–ZnO–PANI Nanocomposite‐Reinforced Epoxy Coating on Mild Steel in Marine Environment
03/07/2025 - This study used a novel epoxy/reduced graphene oxide (RGO)–ZnO–polyaniline (PANI) nanocomposite coating to reduce mild steel corrosion in 3.5% NaCl. Potentiodynamic polarization results show that...
An Integrated MATLAB Code for Homogenization‐Based Topology Optimization and Generating Functionally Graded Surface Lattices for Additive Manufacturing
03/07/2025 - Unlocking structural efficiency, this work integrates homogenization‐based topology optimization with functionally graded triply periodic minimal surface lattices to create highly efficient,...