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      ZrC–ZrB 2–SiC ceramic nanocomposites derived from a novel single-source precursor with high ceramic yield

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          Abstract

          For the first time, ZrC–ZrB 2–SiC ceramic nanocomposites were successfully prepared by a single-source-precursor route, with allylhydridopolycarbosilane (AHPCS), triethylamine borane (TEAB), and bis(cyclopentadienyl) zirconium dichloride (Cp 2ZrCl 2) as starting materials. The polymer-to-ceramic transformation and thermal behavior of obtained single-source precursor were characterized by means of Fourier transform infrared spectroscopy (FT-IR) and thermal gravimetric analysis (TGA). The results show that the precursor possesses a high ceramic yield about 85% at 1000 °C. The phase composition and microstructure of formed ZrC–ZrB 2–SiC ceramics were investigated by means of X-ray diffraction (XRD) and high resolution transmission electron microscopy (HRTEM). Meanwhile, the weight loss and chemical composition of the resultant ZrC–ZrB 2–SiC nanocomposites were investigated after annealing at high temperature up to 1800 °C. High temperature behavior with respect to decomposition as well as crystallization shows a promising high temperature stability of the formed ZrC–ZrB 2–SiC nanocomposites.

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          Author and article information

          Journal
          J Adv Ceram
          Journal of Advanced Ceramics
          Tsinghua University Press and Springer-Verlag Berlin Heidelberg (USA )
          2227-8508
          2226-4108
          01 March 2019
          01 October 2019
          : 8
          : 1
          : 112-120
          Affiliations
          aCollege of Materials, Key Laboratory of High Performance Ceramic Fibers (Xiamen University), Ministry of Education, Xiamen 361005, China
          bCollege of Materials, Fujian Key Laboratory of Advanced Materials (Xiamen University), Xiamen 361005, China
          cCollege of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
          dScience and Technology on Thermostructural Composite Materials Laboratory, Northwestern Polytechnical University, Xi’an 710072, China
          eTechnische Universität Darmstadt, Institut für Materialwissenschaft, Otto-Berndt-Straße 3, D-64287, Darmstadt, Germany
          Author notes
          *Corresponding authors: Z. Yu, E-mail: zhaojuyu@ 123456xmu.edu.cn ; X. Luan, E-mail: xgluan@ 123456nwpu.edu.cn
          Article
          s40145-018-0299-8
          10.1007/s40145-018-0299-8
          Copyright © The Author(s)

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by/4.0/.

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