First-principles calculations on interface stability and migration of H and He in W-ZrC interfaces
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DOI: 10.1016/j.apsusc.2019.143995
Abstract: Abstract In this work, the stability and adhesion of twelve tungsten-zirconium carbide (W-ZrC) interfaces as well as the migration of hydrogen (H) and helium (He) near the interface were investigated by first-principles calculations. The results… read more here.
Keywords: zrc interfaces; migration; zrc; principles calculations ... See more keywords
SiCnw/PyC core-shell networks to improve the bonding strength and oxyacetylene ablation resistance of ZrB2–ZrC coating for C/C–ZrB2–ZrC–SiC composites
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DOI: 10.1016/j.carbon.2017.09.019
Abstract: Abstract To enhance the bonding strength and oxyacetylene ablation resistance of the ZrB 2 –ZrC coated C/C–ZrB 2 –ZrC–SiC composites obtained by the combination of supersonic atmosphere plasma spray (SAPS) and precursor infiltration and pyrolysis… read more here.
Keywords: oxyacetylene ablation; bonding strength; ablation; sicnw pyc ... 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
Densification behavior and ablation property of C/C-ZrC composites prepared by chemical liquid vapor deposition process at temperatures from 800 to 1100 °C
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.01.239
Abstract: Abstract Chemical liquid vapor deposition (CLVD) process has got much attention because of its high efficiency and flexibility, but almost no reports are available in the fields of C/C-UHTCs preparation and the study of process… read more here.
Keywords: ablation; densification behavior; deposition; zrc ... See more keywords
Influence of ZrC addition on the microstructure, mechanical properties and oxidation resistance of Ti(C,N)-based cermets
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DOI: 10.1016/j.ceramint.2018.03.131
Abstract: Abstract In this study, Ti(C,N)-WC-NbC-ZrC-Co-Ni cermets were prepared by sintering-hip at 1450 °C. The effect of ZrC addition on the microstructure, mechanical properties, oxidation resistance and wear resistance of Ti(C,N)-WC-NbC-Co-Ni cermets were explored in detail. The… read more here.
Keywords: resistance; zrc; mechanical properties; oxidation resistance ... See more keywords
Densification behavior and mechanical properties of spark plasma reaction sintered ZrB2–ZrC-B4C ceramics from B4C-Zr system
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.03.112
Abstract: Abstract The ZrB2-ZrC-B4C multiphase ceramics were produced by spark plasma reaction sintering (SPRS) from boron carbide (B4C) with different volume of zirconium (Zr). With Zr content increases, the B4C phases in the composite decreased gradually,… read more here.
Keywords: zrb2 zrc; zrb2; zrc; reaction ... See more keywords
Synthesis, characterization, and ceramization of a carbon-rich SiCw-ZrC-ZrB2 preceramic polymer precursor
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DOI: 10.1016/j.ceramint.2019.05.126
Abstract: Abstract A precursor (PBSZ) for SiCw-ZrC-ZrB2 hybrid powder was synthesized by chemical reaction of phenol, paraformaldehyde, zirconium oxychloride, boric acid and tetraethylorthosilicate. Results show that zirconium, silicon and boron atoms have been successfully introduced into… read more here.
Keywords: sicw zrc; zrb2 zrc; zrb2; zrc ... See more keywords
Improved microstructure and high temperature mechanical properties of C/C–SiC composites by introduction of ZrC nanoparticles
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DOI: 10.1016/j.ceramint.2019.12.034
Abstract: Abstract ZrC nanoparticles were used to improve the microstructure and mechanical properties of C/C–SiC composites. It was found that the microstructural features and high temperature mechanical properties of C/C–SiC composites were dependent on the ZrC… read more here.
Keywords: strength; zrc nanoparticles; properties sic; mechanical properties ... See more keywords
High-temperature phase composition, crystal stabilisation, and interfacial diffusion of (NbC-ZrC)/SiC double-layer coated C/C composites enduring the oxyacetylene flame
Sign Up to like & getrecommendations! Published in 2021 at "Corrosion Science"
DOI: 10.1016/j.corsci.2021.109541
Abstract: Abstract Among NbC-ZrC coatings, an NbC coating modified with 30 mol.% ZrC achieves the best ablation-resistant property. It generates a liquid 10 μm-thick oxide film mainly composed of NbO and highly thermal-stable NbxZr1-xO2 phases. Furthermore,… read more here.
Keywords: temperature phase; zrc; diffusion; layer ... See more keywords
Effect of temperature gradient on the ablation and flexural behavior of C/C-ZrC composites
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DOI: 10.1016/j.corsci.2021.109736
Abstract: Abstract A new ablation condition was designed to investigate the effect of temperature gradient on the ablation and flexural behavior of the C/C-ZrC composites. The sample not only suffers the gradient temperature ablation ranging from… read more here.
Keywords: effect temperature; temperature gradient; zrc composites; zrc ... See more keywords
Effects of swaging and annealing on the microstructure and mechanical properties of ZrC dispersion-strengthened tungsten
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DOI: 10.1016/j.ijrmhm.2018.05.018
Abstract: Abstract Nano-sized ZrC dispersion strengthened tungsten alloy (W-0.5wt%ZrC) rods with enhanced mechanical properties and superior high-temperature stability were fabricated by high temperature rotary swaging. The effects of swaging and annealing on the microstructure and mechanical… read more here.
Keywords: dispersion strengthened; strengthened tungsten; zrc dispersion; effects swaging ... See more keywords