10,254 Result(s)
-
Article
Poly(m-Phenylene Isophthalamide)/Carbon Black Nanoparticle Composite Film as High-Temperature Electric Heater
Carbon-based conductive polymer composites have attracted wide attention as candidates for high-performance flexible electric heaters. Herein, a poly(m-phenylene isophthalamide) (PMIA)/carbon black (CB) compos...
-
Article
Oxidation Performance During Adsorption of Ethyl Mercaptan by Ag-MnO2 Nanosheets
This study focused on the creation of Ag-MnO2 nanosheet composites by combining Ag and MnO2 nanosheets with the use of surfactant and organic solvents. The as-prepared adsorbents were analyzed for their oxidation...
-
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...
-
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...
-
Article
Analyzing the Contraction Force of Artificial Muscles Under Negative Pressure Actuation
Artificial muscles actuated by negative pressure offer significant benefits over those driven by positive pressure, such as high contraction ratios and improved safety, making them a promising option for vario...
-
Article
Feasibility Analysis of 3D-Printed Solid Rocket Motors with Different Materials
To reduce the cost of launching satellites into space, the solid rocket motor was manufactured using 3D printing technology. ULTEM1010, PEEK, and polyamide 12 (PA12) reinforced with carbon fibers (CF) and PA12...
-
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-...
-
Article
The Comprehensive Effect of Electronic Irradiation and Thermal Cycling on the Thermal and Mechanical Properties of Sn-3.0Ag-0.5Cu Solder Joints
The rapid development of aerospace electronics towards lightweight and miniaturized designs has put forward higher requirements for the reliability of device interconnection. It is crucial to study the effects...
-
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...
-
Article
Mn–Cu composite oxides derived from MOFs for the efficient and selective oxidation of alkenes to carbonyls under mild conditions
The selective oxidation of alkenes to carbonyls is one of fundamental processes in organic synthesis. The MOFs precursor was obtained by impregnating Cu-BTC MOFs with the manganese chloride solution, and then,...
-
Article
The effect of Ti contents on energy storage properties of PLZST antiferroelectric ceramics
The effect of Ti contents on the microstructure, dielectric, and energy storage properties of prepared (Pb0.97La0.02) (Zr0.53Sn0.47)1-xTixO3 (PLZST) antiferroelectric ceramics by a traditional solid-state sinteri...
-
Article
Annealing Effects and Insulator-to-Metal Transition in Nb Doped Sr2IrO4
The effects of vacuum and oxygen annealing on Sr2-xNbxIrO4 samples have been systematically investigated. The annealing under vacuum leads to an enhanced insulating state of the Sr2-xNbxIrO4 compounds, which coul...
-
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. ...
-
Article
Effects of In addition on the properties of Sn–4Ag–0.5Cu–3Bi–0.05Ni solder
Minor In (0, 0.5, 1, 2 wt%) was doped into the Sn–4Ag–0.5Cu–3Bi–0.05Ni (SACBN) solder to investigate the effects of In on the melting characteristics, wettability and micro-hardness of the SACBN-based solder. ...
-
Article
Sulfur, fluorine, and nitrogen tri-doped carbon hollow spheres for enhanced electrochemical performance in sodium-ion batteries
Sulfur, fluorine, and nitrogen tri-doped carbon hollow spheres (SFNHCS) were simply prepared through a polymerization process using polydopamine (PDA) as the source of carbon and nitrogen and ionic liquid 1-vi...
-
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...
-
Article
Controllable preparation and properties of boron-doped carbon aerogel composites
Carbon aerogels represent a highly promising category of carbon materials with extensive application prospects in insulation, adsorption, catalysis, and battery technologies. Nevertheless, the current preparat...
-
Article
Dissimilar Laser Welding of Plastic to Stainless Steel with a Flat-Top Heat Source: Numerical Simulation and Experimental Investigation
Diode laser with a flat-top beam was very suitable for the joining of plastic and metals as its uniform energy distribution to fine tuning the temperature, which facilitates the melting of plastic achieving a ...
-
Article
Microstructure and interfacial behavior of SiCp/6061 aluminum matrix composite joined by laser welding with filled TixSi powder
SiCp/Al matrix composites exhibit excellent thermal and mechanical properties, making them highly desirable in aerospace, automobile, and electronics industries. However, a drawback arises during the welding proc...
-
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 ...