Results 11 to 20 of about 1,624,361 (249)
POSSIBILITIES OF 3D MACHINING OF MATERIALS BY ABRASIVE WATER JETS
GeoScience Engineering, 2019 Machining of materials through the classical way, i.e. using conventional tools for turning, drilling, milling, grinding and polishing, has some limits that can be overcome applying an abrasive water jet (AWJ).
Jan RAŠKA +3 more
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Effects of Hydroxyl Treatment on Atomic Resistance Property of Hexagonal Boron Nitride Film
Cailiao gongcheng, 2018 Surface hydroxyl treatment of hexagonal boron nitride (hBN) was performed in sodium hydroxide aqueous solution. With hBN, hBN-OH and nanofibrillated cellulose fibers (NFC), flexible free-standing high-content BN films were fabricated through vacuum ...
ZHANG Yu +4 more
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Novel carbon fibers reinforced composites based on polysulfone matrix
MATEC Web of Conferences, 2018 The aim of this study is to create composites based on the high-temperature polymer reinforced with the carbon fibers and to study interfacial interaction between carbon fibers and polymer matrix.
Chukov Dilyus +5 more
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Mechanical Properties of Domestic T700 Grade Carbon Fibers/QY9611 BMI Matrix Composites
Journal of Aeronautical Materials, 2017 The morphologies,surface energies and surface chemical properties of the domestic T700 grade carbon fiber and the T700S carbon fiber were characterized by using scanning electronic microscopy (SEM), inverse gas chromatography(IGC) and X-ray photoelectron
LI Guoli +3 more
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Designed Monomers and Polymers, 2020 Currently, magnetic applications have great potential for development in the field of drug carriers. In this paper, Fe3O4-PVA@SH, an amphiphilic magnetically targeting drug carrier, was prepared by using Fe3O4 and PVA with thiohydrazide ...
Yazhen Wang +6 more
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Cailiao gongcheng, 2020 The morphologies and surface chemical properties of domestic T800 grade carbon fibers A and imported Toray T800H were characterized by means of scanning electronic microscopy(SEM), atomic force microscope (AFM) and X-ray photoelectron spectroscopy (XPS).
LI Guo-li, PENG Gong-qiu, ZHONG Xiang-yu
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Oxidation behaviors of carbon fiber reinforced multilayer SiC-Si3N4 matrix composites
Journal of Advanced Ceramics, 2022 Oxidation behaviors of carbon fiber reinforced SiC matrix composites (C/SiC) are one of the most noteworthy properties. For C/SiC, the oxidation behavior was controlled by matrix microcracks caused by the mismatch of coefficients of thermal expansion ...
Xiaolin Dang +7 more
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Journal of Advanced Ceramics, 2019 Porous Si3N4-Si3N4 composite ceramics were fabricated by 3D printing combined with low-pressure chemical vapor infiltration (CVI). This technique could effectively improve the designability of porous Si3N4 ceramics and optimize the mechanical and ...
Zanlin Cheng +7 more
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Long-term ceramic matrix composite for aeroengine
Journal of Advanced Ceramics, 2022 Three strategies were proposed to prolong the service life of continuous fiber-reinforced silicon carbide ceramic matrix composite (CMC-SiC), which served as thermal-structure components of aeroengine at thermo-mechanical-oxygenic coupling environment ...
Chaokun Song +4 more
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Population Ecology, EarlyView.Bear management changes management actions according to the horizontal axis of the population size and the vertical axis of the number of nuisance bears. Aiming for the target population size of Ntar, Actions I and II protect the bears, and Action IV reduces the population.
Hiroyuki Matsuda +5 more
wiley +1 more source