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Article
Large-Deformation Electrothermal Actuation Inchworm-Like Crawling Robot Based on Bistable Structures for Load Carrying
Crawling robots have great potential in some harsh environments, but there are still some limitations, such as tiny structures that can only produce small deformation and poor load-carrying capacity. A lightwe...
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Article
Effect of CeO2 on the Microstructure and Properties of In Situ Nano-VC Reinforced Sub-micron Fe-Based Laser Cladding Layers
The preferential corrosion susceptibility along grain boundaries significantly increased as the grain size of the Fe-based matrix in the cladding layers reached the submicron scale. The addition of an appropri...
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Article
Investigations on sintering behavior and microwave dielectric properties of MgNb2O6 ceramics do** with LiF
MgNb2O6 ceramics do** with different amounts of LiF (0–0.4 wt%) were prepared via a solid-state reaction method. The sintering behavior, phase evolution, microstructure, and microwave dielectric properties of t...
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Article
Influence of High-Enthalpy Atmospheric Plasma Spraying Process Parameters on Microwave Dielectric Properties of Y2O3 Coatings
The low-dielectric inorganic adhesive is an important component of electromagnetic wave absorption coatings due to impedance matching with the atmospheric environment. Herein, high-enthalpy atmospheric plasma ...
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Article
Recent progress in carbon-based materials for supercapacitor electrodes: a review
Increased energy consumption stimulates the development of various energy types. As a result, the storage of these different types of energy becomes a key issue. Supercapacitors, as one important energy storag...
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Article
Direct Ink Writing of Flexible Electronics on Paper Substrate with Graphene/Polypyrrole/Carbon Black Ink
Direct ink writing is an interesting and attractive method to replace traditional fabrication techniques such as etching, milling, and lithography for flexible electronics because of its simple process, low co...
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Article
High-performance polyamide-imide films and electrospun aligned nanofibers from an amide-containing diamine
Polyamide-imides (PAIs) are highly desired in many applications because of their superior thermal and mechanical properties. In this work, PAI was prepared from an amide-containing diamine and dianhydride by p...
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Article
Microstructures and mechanical properties of aligned electrospun carbon nanofibers from binary composites of polyacrylonitrile and polyamic acid
High mechanical performance carbon nanofibers are highly required for the carbon nanofiber-reinforced composites, and it is necessary to develop novel precursors for the preparation of carbon nanofibers. In th...
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Article
Temperature stable microwave dielectric ceramics in Li2ZnTi3O8–based composite for LTCC applications
A temperature stable low temperature co-fired ceramic (LTCC) was fabricated by the powder mixture of Li2ZnTi3O8 ceramic, TiO2 τf-tailoring dopant and B2O3–La2O3–MgO–TiO2 (BLMT) glass sintering aid, and the sinter...
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Article
Pressure-Induced Phase Transitions and Bandgap-Tuning Effect of Methylammonium Lead Iodide Perovskite
Pressure-induced crystallographic transitions and optical behavior of MAPbI3 (MA=methylammonium) were investigated using in-situ synchrotron X-ray diffraction and laser-excited photoluminescence spectroscopy. We ...
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Article
Investigation of Li2Zn3Ti4O12-based temperature stable dielectric ceramics for LTCC applications
A low temperature co-fired ceramic (LTCC) was fabricated at 910 °C /2 h from the powder mixture of Li2Zn3Ti4O12, TiO2 and a B2O3–La2O3–MgO–TiO2 glass (BLMT), and the influence of TiO2 on microstructure and dielec...
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Article
Low loss and temperature stable microwave dielectric ceramics in (1 − x)Li2TiO3–xLi2Mg3TiO6 (0.1 ≤ x ≤ 0.5) system
The (1 − x)Li2TiO3–xLi2Mg3TiO6 (x = 0.1, 0.15, 0.2, 0.3, 0.4, 0.5) ceramics system was fabricated by solid-state synthesis. Test results of X-ray diffraction and electron diffraction spectrum show that all cerami...
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Article
Low temperature sintering process, phase evolution and dielectric properties of BaTi4O9-filled B–La–Mg–Ti–O glass/ceramic composites
Low temperature co-fired ceramics composite is fabricated by mixing B2O3–La2O3–MgO–TiO2 (BLMT) glass matrix with BaTi4O9 ceramic filler and the influence of the filler on sintering behavior, phase composition, mi...
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Article
The influence of BBZ glass on phase evolution, sintering behavior and dielectric properties of BaTi4O9 ceramics
A low temperature co-fired ceramic (LTCC) material has been fabricated by mixing BaTi4O9 ceramic powder with a BaO–B2O3–ZnO (BBZ) glass and sintering the mixture at 925 °C/2 h. The influence of the BBZ glass on s...
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Article
A novel temperature-stable and low-loss microwave dielectric using Ca0.8Sr0.2TiO3- modified Li2Mg3TiO6 ceramics
Microstructure and microwave dielectric properties of (1-x)Li2Mg3TiO6-xCa0.8Sr0.2TiO3 (x = 0.03, 0.06, 0.08, 0.09, 0.12) ceramics prepared by the conventional solid state route have been investigated. XRD and SEM...
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Article
Superplastic Forming/Diffusion Bonding Without Interlayer of 5A90 Al-Li Alloy Hollow Double-Layer Structure
The hollow double-layer structure of 5A90 Al-Li alloy was fabricated by SPF/DB process in this study. The characteristics and mechanism of 5A90 Al-Li alloy with respect to superplasticity and diffusion bonding...
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Article
Dynamic Recrystallization Behavior and Texture Evolution of NiAl Intermetallic During Hot Deformation
B2-ordered intermetallic NiAl was fabricated by hot pressing sintering and studied in terms of dynamic recrystallization behavior and texture evolution during isothermal compression over a temperature range of...
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Article
Plastic Deformation Behavior of Ti Foil Under Ultrasonic Vibration in Tension
The benefits of ultrasonic vibration auxiliary metal forming have been shown by many studies. In this study, a series of experiments were carried out to investigate the deformation behavior of Ti foils under u...
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Article
Low-temperature synthesis of hierarchical architectures of SAPO-11 zeolite as a good hydroisomerization support
Hierarchical SAPO-11 was successfully synthesized without a secondary template by changing the hydrothermal crystallization temperature. SAPO-11 with a larger external surface area, more acidity, and a large ...
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Article
High Temperature Mechanical Behavior of Ti-45Al-8Nb and Its Cavity Evolution in Deformation
The tensile property of a high Nb containing TiAl-based alloy (Ti-45Al-8Nb) was investigated in the temperature range of 900-1050 °C and strain rate range of 1 × 10−3 to 2.5 × 10−2 s−1. The results revealed that ...