Synthesis of ZrB2-SiC nanocomposite powder via polymeric precursor route
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DOI: 10.1016/j.ceramint.2016.10.073
Abstract: Zirconium diboride/silicon carbide (ZrB2-SiC) nanocomposite powder, wherein each and every particle is a nanocomposite, was successfully synthesized by pyrolyzing a hybrid polymeric precursor produced from a Zr-containing precursor and a solid polycarbosilane precursor. The synthesis… read more here.
Keywords: nanocomposite powder; precursor; zrb2; zrb2 sic ... See more keywords
Processing and characterization of Cf/ZrB2-SiC-ZrC composites produced at moderate pressure and temperature
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DOI: 10.1016/j.ceramint.2016.11.073
Abstract: Cf/ZrB2-SiC/ZrC composites were prepared by hot pressing of carbon fibre (Cf) cloth, ZrB2, polycarbosilane (PCS) and Zr metal at 4 MPa and 1200 °C. The bulk density of Cf/ZrB2-SiC/ZrC composite was improved from 2.29 g/cc… read more here.
Keywords: processing characterization; zrc composites; sic zrc; zrb2 sic ... See more keywords
Residual stress estimation in laminated ZrB2-SiC ultra-high temperature ceramics with strong interfaces using X-ray diffraction and indentation techniques
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DOI: 10.1016/j.ceramint.2017.06.115
Abstract: Abstract Laminated ZrB2–SiC ultra-high temperature ceramics (UHTCs) with different layer thickness ratios and strong interfaces were fabricated by hot-pressing. Residual stresses developed on the surfaces of laminated ZrB2-SiC ceramics were evaluated by X-ray diffraction (XRD)… read more here.
Keywords: sic ultra; laminated zrb2; indentation; residual stress ... See more keywords
Scratch behavior of boron nitride nanotube/boron nitride nanoplatelet hybrid reinforced ZrB 2 -SiC composites
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DOI: 10.1016/j.ceramint.2017.11.100
Abstract: Abstract Spherical instrumented scratch behavior of ZrB2-SiC composites with and without hybrid boron nitride nanotubes (BNNTs) and boron nitride nanoplatelets (BNNPs) was investigated in this research. Typical brittle fracture such as microcracks both in and… read more here.
Keywords: boron nitride; zrb2 sic; sic composites; scratch behavior ... See more keywords
Synthesis of ZrB2-SiC powders in one-step reduction process
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DOI: 10.1016/j.ceramint.2018.07.194
Abstract: Abstract ZrB2-SiC composite powders were synthesized through one-step reduction process of ZrO2, B4C, carbon black, silicon or silica under flowing argon. Effects of B4C contents, calcination temperatures and different silicon sources on the phase composition… read more here.
Keywords: reduction process; sic powders; step reduction; zrb2 sic ... See more keywords
SiC whiskers: A strategy to modify the high-temperature performance of laminated ZrB2–SiC ceramics
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DOI: 10.1016/j.ceramint.2019.12.192
Abstract: Abstract With SiC whisker and SiC particle as interface layers, ZrB2–SiC-SiCw (LZ-Sw) and ZrB2–SiC-SiCp (LZ-Sp) laminated ceramics were prepared by tape casting and hot pressing. Fracture behaviors and accompanying microstructural changes were studied in the… read more here.
Keywords: high temperature; zrb2 sic; temperature performance; sic whiskers ... See more keywords
Nano-diamond reinforced ZrB2–SiC composites
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DOI: 10.1016/j.ceramint.2020.01.008
Abstract: Abstract The effect of adding various amounts of nano-diamond additive (0, 1, 2, and 3 wt%) on the densification behavior and mechanical properties of ZrB2-25 vol% SiC samples were investigated in this research. All samples were spark… read more here.
Keywords: nano diamond; diamond reinforced; zrb2 sic; reinforced zrb2 ... See more keywords
Influence of SiAlON addition on the microstructure development of hot-pressed ZrB2–SiC composites
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DOI: 10.1016/j.ceramint.2020.04.258
Abstract: Abstract The impact of SiAlON on densification behavior and microstructure of the ZrB2-SiC composite was investigated. ZrB2, SiC, and SiAlON were used as the initial materials to produce ZrB2-SiC composite by hot pressing at 1900 °C.… read more here.
Keywords: addition; microscopy; sialon; zrb2 sic ... See more keywords
Role of h-BN content on microstructure and mechanical properties of hot-pressed ZrB2–SiC composites
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DOI: 10.1016/j.ceramint.2020.05.255
Abstract: Abstract The addition of h-BN flacks (0–35 vol%) into the ZrB2–SiC composites was investigated in the present research. The composites were consolidated at a temperature of 1800 °C for 1 h under 40 MPa uniaxial pressure by a hot-pressing… read more here.
Keywords: hot pressed; bending strength; role content; zrb2 sic ... See more keywords
Effects of SiC on densification, microstructure and nano-indentation properties of ZrB2–BN composites
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DOI: 10.1016/j.ceramint.2020.12.129
Abstract: Abstract Introducing the SiC additive resulted in a noticeable enhancement in the sintering behavior of the ZrB2-hBN composite, profiting from the SiC involvement in the surface oxide removal. This research intended to compare two ceramics… read more here.
Keywords: zrb2 hbn; sic hbn; hbn; zrb2 sic ... See more keywords
Effect of ZrB2 powders on densification, microstructure, mechanical properties and thermal conductivity of ZrB2-SiC ceramics
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DOI: 10.1016/j.ceramint.2021.02.158
Abstract: Abstract With the view to improve the densification behaviour and mechanical properties of ZrB2-SiC ceramics, three synthesis routes were investigated for the production of ZrB2, prior to the fabrication of ZrB2-20 vol. % SiC via… read more here.
Keywords: mechanical properties; zrb2; zrb2 sic; thermal conductivity ... See more keywords