Results 31 to 40 of about 3,908,089 (354)
Nano-Micro Letters, 2019 Developing an efficient and durable oxygen reduction electrocatalyst is critical for clean-energy technology, such as fuel cells and metal–air batteries.
Qijian Niu +5 more
doaj +1 more source
Nature Communications, 2023 Generally, transition metal-catalyzed stereodivergent transfer semihydrogenation of alkynes realized regulation of stereoselectivity by a Z to E isomerization process.
Yuanqi Wu +9 more
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Optical Density Method of Radial Structure of PAN-based Pre-oxidized Fibers
Cailiao gongcheng, 2017 According to the radial distribution characteristics of PAN pre-oxidized fiber, the optical density method which can quantitatively characterize the radial structure of pre-oxidized PAN fiber is established, taking advantage of the light-absorbing of PAN
ZHONG Shan +4 more
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Quantitative characterization of physical structure on carbon fiber surface based on image technique
Materials & Design, 2020 In order to quantitatively characterize the surface physical structure of a bundle of carbon fibers, scanning electron microscope (SEM) was used to photograph the fiber section and edge differential detection method was used to automatically identify the
Ruyu Ruan, Weiyu Cao, Lianghua Xu
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Materials, 2020 Three-dimensional (3D) printing continuous carbon fiber-reinforced polylactic acid (PLA) composites offer excellent tensile mechanical properties. The present study aimed to research the effect of process parameters on the tensile mechanical properties ...
Hao Dou +6 more
semanticscholar +1 more source
Degradation Behavior of Thermal Stabilized Polyacrylonitrile Fibers
Cailiao gongcheng, 2017 In the temperature range of 300-800℃, 40%-50% of the mass lost during the processing of polyacrylonitrile based carbon fiber (PANCF). Understanding the degradation behavior will be valuable in understanding the formation mechanism of pseudo-graphite ...
LEI Shuai +5 more
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3D-Printed Carbon Fiber Reinforced Polymer Composites: A Systematic Review
Journal of Composites Science, 2020 Fiber reinforced composites offer exceptional directional mechanical properties, and combining their advantages with the capability of 3D printing has resulted in many innovative research fronts.
Seyed Hamid Reza Sanei, D. Popescu
semanticscholar +1 more source
Polymer Testing, 2021 The impact of poly (ether sulfone) modified graphene (f-GEi) on the non-isothermal crystallization kinetic behavior of PEEK composites was investigated by differential scanning calorimetry at various cooling rates.
Fei Yu, Linghan Xiao
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C, 2020 Carbon/carbon (C/C) composites are conventionally manufactured by liquid-phase impregnation (LPI), in which the binder pitches and phenolic resins are impregnated into the composites, and by chemical vapor infiltration (CVI).
Jae-Yeon Yang +4 more
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Journal of Advanced Ceramics, 2023 In recent years, high-entropy metal carbides (HECs) have attracted significant attention due to their exceptional physical and chemical properties.
Junhao Zhao +6 more
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