2,793 Result(s)
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Characterization and Evaluation of Materials
Nanotechnology
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Article
The Laminated/Network Interface Design and Deformation Behavior of Multilayer Steel
The SUS304/45 multilayer steels with laminated/network coupling interfaces were fabricated by cold rolling, and the interface evolution behavior and strengthening–toughening mechanism were clarified by microst...
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Article
Effect of Al on Microstructure and Tensile Properties of a PM Fe–22Mn–0.6C Steel
This study investigates the effects of adding 1 and 2 wt pct Al on the microstructure and tensile properties of a powder metallurgy (PM) Fe–22Mn–0.6C (wt pct) steel produced by powder compact extrusion. The ad...
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Article
Detwinning and Anneal-Hardening Behaviors of Pre-Twinned AZ31 Alloys under Cryogenic Loading
Detwinning behavior of a pre-twinned magnesium alloy AZ31 at cryogenic temperature was investigated, also with a focus on the annealing hardening behavior of samples with different fractions of pre-twins. Pre-...
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Article
Synergistic effect of noble metal Pt and Zn0.25Cd0.75S QDs on ZnO: broad spectral response and its outstanding photocatalytic performance
Constructing heterostructures can accelerate the separation of electrons and holes, prolong the lifetime of photogenerated charge carriers, and have an important impact on improving photocatalytic activity. Th...
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Article
Characterization of the Macroscale Struts and Microscale Substructures in Ti–6Al–4V Octet-Truss Metamaterials
Metamaterials, characterized by repeated unit cells and typically processed through additive manufacturing, represent a departure from traditional solid materials, showcasing inherent hierarchical structures. ...
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Article
Spatially confined dual-emission nanoprobes assembled from silicon nanoparticles and gold nanoclusters for ratiometric biosensing
Gold nanoclusters (AuNCs) possess weak intrinsic fluorescence, limiting their sensitivity in biosensing applications. This study addresses these limitations by develo** a spatially confined dual-emission nan...
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Article
Microstructure-Superplastic Properties Relationship and Deformation Mechanism in a Novel Dual-Phase Medium Mn Steel: The Effect of Microstructure Anisotropy and Texture
In this paper, the tensile properties, texture evolution, and deformation anisotropy of a cold-rolled Fe−0.3C–6.86Mn–3.5Al steel during superplastic deformation at 650 °C–750 °C and 0.25 × 10−3 s−1− 4 × 10−3 s−1 ...
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Article
An intelligent Cu/ZIF-8-based nanodrug delivery system for tumor-specific and synergistic therapy via tumor microenvironment-responsive cascade reaction
An intelligent nanodrug delivery system (Cu/ZIF-8@GOx-DOX@HA, hereafter CZGDH) consisting of Cu-doped zeolite imidazolate framework-8 (Cu/ZIF-8, hereafter CZ), glucose oxidase (GOx), doxorubicin (DOX), and hya...
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Article
Effect of Artificial Cooling Extrusion on Microstructure and Mechanical Properties of Mg–Zn–Y Alloys
Microstructure and mechanical properties of Mg–Zn–Y alloys with different Zn/Y atomic ratios with or without artificial cooling (AC) extrusion were systematically investigated in this work. The results show th...
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Article
Comparative Study on the Cleanliness and Mechanical Properties of a Cast and Wrought Ni-Based Superalloy GH4738 Prepared with Revert Addition
Superalloy recycling is recognized as an economic and strategic necessity, but very little quantitative information is available regarding the criterion for operating, including the recycling procedure, the pe...
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Article
Porous heterostructure of h-BN/carbon as an efficient electrocatalyst for hydrogen peroxide generation
We successfully synthesized a porous carbon material with abundant hexagonal boron nitride (h-BN) dispersed on a carbon matrix (p-BN-C) as efficient electrocatalysts for two-electron oxygen reduction reaction (2e
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Article
Ultrastrong Low-Alloy Steel with Good Ductility via Multiple Strengthening, Suppressed Carbides and Reversed Austenite in Quenching and Tempering
Two low-alloy quenched-tempered steels (#1 steel and #2 steel) are designed and comparatively studied to achieve ultrahigh yield strength (above 2000 MPa) at relatively low material and process costs. #1 steel...
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Article
Effect of Solid Solution Treatment on the Wear Behavior and Subsurface Microstructure of 2205 Duplex Stainless Steel in Different Environments
This study investigated the friction and wear performance and the subsurface microstructure characteristics of 2205 duplex stainless steel under different environmental conditions through heat treatment at var...
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Article
Controllable metal nanodots array fabricatied by SDS-assisted nanosphere lithography and its application for nanowires growth
Periodic metal nanodots arrays with controllable size and spacing were prepared by nanosphere lithography (NSL). The polystyrene nanospheres (PNs) arranged on Si substrate by spin coating were used as a templa...
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Article
Significant Microstructure Refinement and Improved Mechanical Properties of Mg2Si/Al Composites Induced by Nanoscale TiB2 Particles
Aluminum matrix composite have shown the great prospects in improving service performance and life of high-end equipment under harsh conditions due to lightweight and high specific strength. However, the prese...
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Article
Integrated Fabrication of Cf/Al Composite and Joining with TC4 via Liquid-Solid Infiltration Extrusion: Microstructure Evolution and Fracture Behavior
Efficiently joining TC4 and carbon fiber-reinforced aluminum matrix (Cf/Al) composite greatly expands the applications of composite in the aerospace industry. In this study, a liquid-solid infiltration extrusion ...
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Article
Platinum-ruthenium-iron embedded in nitrogen-doped ordered mesoporous carbon for adrenaline electrochemical sensing study
A novel nitrogen-doped ordered mesoporous carbon (OMC) pore-embedded growth Pt-Ru-Fe nanoparticles (Pt1-Ru7.5-Fex@N-OMCs) composite was designed and synthesized for the first time. SBA-15 was used as a template,...
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Article
Effect of Refractory Crucibles on Inclusions in Ce-Containing High-Aluminum Steel
With the advancement of aerospace, military and related industries, there is a persistent escalation in the performance requirements for steel. According to the actual smelting conditions, this study focuses o...
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Article
Hot technology and technical evolution of polypeptide nanotechnology in medical application field based on patent data analysis
The design of nanostructures based on peptides has attracted wide attention, especially the design of new nanomaterials with higher levels of multifunctional ability is gradually needed. Patent layout allows t...
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Article
Effects of Reinforcement Content and Homogenization Treatment on the Microstructure and Mechanical Properties of in-situ TiB2/2219Al Composites
Obtaining an appropriate grain size is crucial for Al alloys or Al matrix composites prior to processing, as it significantly influences the mechanical properties of components and workability during the manuf...
