Ablation resistance under different heat fluxes of HfC-ZrC-SiC multiphase coating prepared by supersonic atmospheric plasma spraying for C/C composites
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DOI: 10.1007/s43207-020-00024-1
Abstract: To prevent the ablation of C/C composites, an HfC-ZrC-SiC multiphase coating was prepared by supersonic atmospheric plasma spraying. The morphology and microstructure of the coating were examined by X-ray diffraction and scanning electron microscopy, respectively.… read more here.
Keywords: different heat; heat fluxes; hfc zrc; coating ... See more keywords
Ablation behavior of C/C-ZrC and C/SiC-ZrC composites fabricated by a joint process of slurry impregnation and chemical vapor infiltration
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DOI: 10.1016/j.ceramint.2017.12.062
Abstract: Abstract C/C-ZrC and C/SiC-ZrC composites were fabricated by a joint process of slurry impregnation and chemical vapor infiltration, in which ZrC matrix was obtained by slurry impregnation process, while C or SiC matrix was introduced… read more here.
Keywords: zrc composites; slurry impregnation; zrc sic; sic zrc ... See more keywords
Strengthening the ZrC-SiC ceramic and TC4 alloy brazed joint using laser additive manufactured functionally graded material layers
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DOI: 10.1016/j.ceramint.2018.03.087
Abstract: Abstract In order to improve the ZrC-SiC and TC4 brazed joint property, functionally graded material (FGM) layers (two SiC particles reinforced TC4-based composite layers) were designed to relieve the residual stress in the ZrC-SiC and… read more here.
Keywords: sic ceramic; tc4; zrc sic; brazed joint ... See more keywords
Damage mechanism analysis to the carbon fiber and fiber-ceramic interface tailoring of Cf/ZrC-SiC using PyC coating
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DOI: 10.1016/j.ceramint.2018.07.065
Abstract: Abstract The damage mechanism of carbon fiber and fiber-ceramic interface of C f /ZrC-SiC were investigated and revealed. The chemical reactions of C with ZrO 2 and SiO 2 impurities during the sintering resulted in… read more here.
Keywords: carbon fiber; fiber ceramic; zrc sic; fiber ... See more keywords
In-situ synthesis of ultra-fine ZrB2–ZrC–SiC nanopowders by sol-gel method
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DOI: 10.1016/j.ceramint.2019.11.202
Abstract: Abstract ZrB2–ZrC–SiC nanopowders with uniform phase distribution were prepared from cost-effective ZrOCl2·8H2O by a simple sol-gel method. The synthesis route, ceramization mechanism and morphology evolution of the nanopowders were investigated. ZrB2–ZrC–SiC ceramic precursor can be… read more here.
Keywords: zrb2 zrc; sic nanopowders; sol gel; zrc sic ... See more keywords
Effects of low-temperature thermal cycling treatment on the microstructures, mechanical properties and oxidation resistance of C/C-ZrC-SiC composites
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DOI: 10.1016/j.jallcom.2017.05.263
Abstract: Abstract Carbon/Carbon (C/C) composites modified with ZrC and SiC particles were prepared by precursor infiltration and pyrolysis (PIP) process. Effects of the simulated low earth orbit environment including the vacuum environment (under the high-vacuum state… read more here.
Keywords: low temperature; temperature; zrc sic; thermal cycling ... See more keywords
Preparation of highly porous ZrB 2 /ZrC/SiC composite monoliths using liquid precursors via direct drying process
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.11.031
Abstract: Abstract We developed a simple liquid precursor method for the syntheses of porous ZrB2/ZrC/SiC composite monoliths. Furfuryl alcohol (FA), zirconium n-butoxide, tetraethyl orthosilicate and boric acid are used as the raw materials. By combining the… read more here.
Keywords: sic composite; zrc sic; direct drying; composite monoliths ... See more keywords
Microstructure evolution and mechanical property of ZrC-SiC/Ti6Al4V joints brazed using Ti-15Cu-15Ni filler
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DOI: 10.1016/j.jeurceramsoc.2017.11.045
Abstract: Abstract ZrC-SiC ceramic and TC4 alloy were successfully brazed using a self-prepared Ti-15Cu-15Ni filler. The microstructure and mechanical property of the joints obtained at different brazing temperatures were investigated. The results indicated that Ti from… read more here.
Keywords: zrc sic; property; filler; 15cu 15ni ... See more keywords
Interfacial microstructure and mechanical property of ZrC-SiC ceramic and TiAl joint brazed with Ag Zr active filler metal
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DOI: 10.1016/j.matchar.2019.109850
Abstract: Abstract Reliable brazing of ZrC-SiC ceramic and TiAl alloy was achieved using active Ag Zr filler metal. During the brazing process, Ti and Al were dissolved into the filler metal, and TiC+(Ti,Zr)3SiC2 layer formed due… read more here.
Keywords: zrc sic; filler; sic ceramic; filler metal ... See more keywords
Effect of CNTs addition on microstructure, ablation property and mechanism of ZrC–SiC coating for C/C–ZrC–SiC composites
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DOI: 10.1016/j.vacuum.2019.109099
Abstract: Abstract ZrC–SiC coating with gradient inner layer was fabricated on C/C–ZrC–SiC composites by pack cementation. The effects of CNTs addition on the microstructure, ablation property, and mechanism of ZrC–SiC coating were investigated. The results show… read more here.
Keywords: cnts addition; zrc sic; sic coating; zrc ... See more keywords
Stepwise synthesis of a Zr–C–Si main chain polymer precursor for ZrC/SiC/C composite ceramics
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DOI: 10.1039/d1ra07783j
Abstract: Novel polymers containing a refractory metal in the main chain are highly desired as ultra-high temperature ceramic precursors. Herein, a low oxidation state active species Cp2Zr(ii) with two semi-filled outer orbits was firstly obtained using… read more here.
Keywords: active species; main chain; sic composite; zrc sic ... See more keywords