23 Result(s)
within
Sujuan **e
Materials Science
Characterization and Evaluation of Materials
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Article
Microstructure and Mechanical Property of Zr/316L Brazed Joints by Zr–Cu–Fe Amorphous Filler
Vacuum brazing of Zr and 316 stainless steels (316L) was conducted using a Zr74Cu13Fe13 (at%) amorphous filler. A comprehensive investigation was carried out to examine the interfacial microstructure and mechanic...
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Article
Study on the influence of surface nickel plating on the microstructure and mechanical properties of WC-8Co/Inconel 718 brazed joints
The drilling and sampling technique is the preferred method for lunar soil sample collection. In response to the poor wettability of the AgCuNiMn brazing alloy that is utilized for the lunar soil drilling tool...
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Article
Enhancing performance of low-temperature processed CsPbI2Br all-inorganic perovskite solar cells using polyethylene oxide-modified TiO2
CsPbX3-based (X = I, Br, Cl) inorganic perovskite solar cells (PSCs) prepared by low-temperature process have attracted much attention because of their low cost and excellent thermal stability. However, the high ...
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Article
Potassium thiocyanate additive for PEDOT:PSS layer to fabricate efficient tin-based perovskite solar cells
The commercialized poly(3,4-ethylenedioxythiophene):poly (styrenesulfonate) (PEDOT:PSS) is usually used as hole transport layers (HTLs) in tin-based perovskite solar cells (TPSCs). However, the further develop...
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Article
Making as-cast (FeCoNi)NbB alloys excellent mechanical and magnetic properties via refined eutectic microstructures
In this work, the concept of eutectic alloys was used to design (Fe, Co, Ni)–Nb–B multi-principal component alloys (MPCAs) with the nano-scaled lamellar eutectic structure by copper mold injection casting meth...
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Article
Preparation and lithium storage properties of core–shell silicon carbon composites based on sepiolite
Silicon-based anode electrode materials prepared by reducing natural silicate minerals can not only improve the electrochemical properties of silicon materials using the special structure of natural minerals, ...
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Article
A Simple Approach for Coarse Particle Stress-Erosion Test with Experimental Validation
Damage induced by coarse particle erosion is the main cause of premature failure of transport structures used in deep-sea mining. In this study, a free fall coarse particle stress-erosion (i.e., the erosion of...
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Article
Current Review on the Research Status of Cemented Carbide Brazing: Filler Materials and Mechanical Properties
Cemented carbides have been widely applied in cutting tools and wear-resistant components due to their ultrahigh hardness and good wear resistance. However, the disadvantages of limited impact toughness and hi...
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Article
Microstructure and Mechanical Properties of Hydrogenated Ti-0.3Mo-0.8Ni Alloy Gas Tungsten Arc Welding Joints
Microstructure, tensile property, microhardness and fracture behavior of the hydrogenated Ti-0.3Mo-0.8Ni alloy gas tungsten arc welding (GTAW) joints were investigated. The results show that the microstructure...
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Article
Effects of Y Do** on Dielectric and Varistor Properties of CaCu3Ti4O12 Thin Films
Ca1−3x/2YxCu3Ti4O12 (x = 0, 0.05, 0.1, 0.15, and 0.2) (CCTO) thin films were prepared by a modified sol–gel method. The effects of Y do** on the microstructure and electrical properties of the CCTO thin films w...
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Article
Hot Deformation Behavior of Hydrogenated 0.21 wt.%H Ti-0.3Mo-0.8Ni Alloy Welded Joints
The effects of height reductions and microstructure inhomogeneity on hot deformation behavior of the hydrogenated 0.21 wt.%H Ti-0.3Mo-0.8Ni alloy welded joints were investigated. The hydrogen-induced evolution...
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Article
Colossal permittivity characteristics and mechanism of (Sr, Ta) co-doped TiO2 ceramics
Colossal permittivity (CP) materials have great application prospects in electronic devices. However, obtaining a giant dielectric constant, low dielectric loss, and good temperature stability in one phase sim...
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Article
Design and solderability characterization of novel Au–30Ga solder for high-temperature packaging
To meet the needs of high-temperature packaging for high-power devices, a novel Au–30Ga solder was designed and prepared, and its solderability was characterized in this work. The results showed that it was a ...
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Article
Excellent dielectric performance and nonlinear electrical behaviors of Zr-doped CaCu3Ti4O12 thin films
The dielectric and nonlinear current–voltage properties of CaCu3Ti4−xZr x O12 (x = 0, 0.05, 0.1, 0.15 and 0.2) thin films prepared by the modified sol–gel method and annealed at ...
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Article
Carbon quantum dots/attapulgite nanocomposites with enhanced photocatalytic performance for desulfurization
Carbon quantum dots (CQDs)/attapulgite (ATP) nanocomposite was prepared by a simple impregnation method. The ATP was initially modified with hydrochloric acid solution, which favored for the combination of CQD...
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Article
Vacuum Brazing Diamond Grits with Cu-based or Ni-based Filler Metal
Diamond grits were brazed using Cu-Sn-Cr and Ni-Cr-B-Si filler metals, and the brazed grits were examined for microstructure (SEM, EDS, XRD), microhardness, and compression strength. Results showed that the mi...
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Article
Effect of diblock copolymer properties on the photophysical properties of dendrimer silicon phthalocyanine nanoconjugates
1–2 generation poly(benzyl aryl ether) dendrimer silicon phthalocyanines with axially disubstituted cyano terminal functionalities (G n -DSiPc(CN)4n ...
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Article
Microstructure and Mechanical Properties of AA1235 Aluminum Foil Stocks Produced Directly from Electrolytic Aluminum Melt
A new process is developed to obtain high-quality AA1235 aluminum foil stocks and to replace the traditional manufacture process. During the new manufacture process, AA1235 aluminum sheets are twin-roll casted...
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Article
Comparative study of aluminum phthalocyanine incorporating into two types of block copolymer: photo-physical property, size, and in vitro photodynamic therapy efficacy
Nanoparticles of amphiphilic triblock copolymer poly(l-lysine)-b-poly(ethylene glycol)-b-poly(l-lysine) and diblock copolymer methoxy-poly(ethylene glycol)-b-poly(l-lysine) were developed to encapsulate tetra(4-s...
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Article
Morphology and properties of ZnO nanostructures by electrochemical deposition: effect of the substrate treatment
Zinc Oxide (ZnO) nanostructures have been grown by electrochemical deposition on the indium-tin oxide (ITO) substrates. The influences and mechanism of pre-treatment of ITO on the morphology, density and size ...
