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请求各位童鞋帮忙查询一下文章EI收录号，文章信息是: 皮芯结构碳化硅陶瓷纤维的制备及性能（Preparation and Properties of Skin–core Structure Silicon Carbide Ceramic Fibers ）DOI：10.14062/j.issn.0454-5648.2019.03.11 发自小木虫Android客户端 |
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Preparation and Properties of Skin-core Structure Silicon Carbide Ceramic Fibers Accession number: 20192206992320 Title of translation: 皮芯结构碳化硅陶瓷纤维的制备及性能 Authors: Xu, Zhaofang 1 ; Chen, Yuanlan 1 ; Li, Xiaohong 1 ; Liao, Hongmin 1 ; Zhou, Changchang 1 ; Li, Yang 1 Author affiliation : 1 School of Materials and Architectural Engineering, Guizhou Normal University, Guiyang; 550025, China Corresponding author: Li, Yang (liyang3300@163.com) Source title: Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society Abbreviated source title: Kuei Suan Jen Hsueh Pao Volume: 47 Issue: 3 Issue date: March 1, 2019 Publication Year: 2019 Pages: 358-364 Language: Chinese ISSN: 04545648 CODEN: KSYHA5 Document type: Journal article (JA) Publisher: Chinese Ceramic Society Abstract: Polycarbosilane (PCS) fibers were heat treated via atmosphere pulse in pulsing air and vacuum atmosphere. The skin-core structure silicon carbide (SiC) ceramic fibers were prepared via the pyrolysis of PCS fibers in inert atmosphere. The effect of pulse oxidation time on the weight gain, chemical structure, Si-H reaction degree, oxygen element distribution of the PCS fibers, crystal structure and mechanical properties of the SiC fibers was investigated. The results show that the PCS fibers are thermal oxidation curing in atmosphere pulse treatment. The thermal oxidation reaction mainly occurs on the outside-surface of the PCS fibers, forming the oxygen-containing structures such as Si-OH, Si-O-Si and C=O. The oxygen element presents a gradient distribution characteristic. The surface is rich in oxygen and the core has a lower oxygen content. When the gel appears, the PCS fibers have a lower thermal oxidation mass fraction and Si-H reaction degree due to pulse thermal oxidation, i.e., 7.03% and 25.37%. The sintered SiC fibers have the same oxygen element distribution in the cross-section and with β-SiC crystal structure. The SiC ceramic fibers obtained by this method are a skin-core structure, having a preferable tensile strength of (1.74±0.21)GPa. © 2019, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved. Number of references: 16 Main heading: Crystal structure Controlled terms: Ceramic materials - Curing - Fibers - Oxygen - Polysilanes - Refractory materials - Silicon carbide - Tensile strength - Thermooxidation Uncontrolled terms: Element distribution - Gradient distributions - Inert atmospheres - Polycarbosilanes - Silicon carbide ceramic - Silicon carbides (SiC) - Skin-core structure - Thermal oxidation Classification code: 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 812.1 Ceramics - 812.2 Refractories - 815.1.2 Inorganic Polymers - 933.1.1 Crystal Lattice Numerical data indexing: Percentage 2.54e+01%, Percentage 7.03e+00% DOI: 10.14062/j.issn.0454-5648.2019.03.11 Database: Compendex Compilation and indexing terms, © 2020 Elsevier Inc. |
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