Temperature-dependent mechanical properties of ZrC and HfC from first principles
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DOI: 10.1007/s10853-020-05416-6
Abstract: In order to gain insight into the effect of elevated temperature on the mechanical performance of zirconium carbide (ZrC) and hafnium carbide (HfC), their temperature-dependent elastic constants have been systematically studied. For both ZrC and… read more here.
Keywords: hfc; usepackage; temperature dependent; documentclass 12pt ... See more keywords
Microstructure and Compression Strength of W/HfC Composites Synthesized by Plasma Activated Sintering
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DOI: 10.1007/s12540-018-0190-8
Abstract: In this work, W/HfC composite materials were synthesized using plasma activated sintering. The influence of the sintering temperature and HfC weight fraction on the relative density, microstructure and compression strength were investigated. The results demonstrated… read more here.
Keywords: strength; activated sintering; hfc; plasma activated ... See more keywords
Design, synthesis and biological evaluation of water soluble and non-aggregated silicon phthalocyanines, naphthalocyanines against A549, SNU-398, SK-MEL128, DU-145, BT-20 and HFC cell lines as potential anticancer agents.
Sign Up to like & getrecommendations! Published in 2021 at "Bioorganic chemistry"
DOI: 10.1016/j.bioorg.2021.104637
Abstract: Cancer has become an important public problem in worldwide since cancer incidence and mortality are growing rapidly. In this study, water soluble and non-aggregated silicon (IV) phthalocyanines and naphthalocyanines containing (3,5-bis{3-[3-(diethylamino)phenoxy]propoxy}phenyl)methoxy groups have been synthesized… read more here.
Keywords: hfc; cell lines; snu 398; water soluble ... See more keywords
Effect of carbon fiber crystallite size on the formation of hafnium carbide coating and the mechanism of the reaction of hafnium with carbon fibers
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DOI: 10.1016/j.carbon.2017.01.059
Abstract: The effect of carbon source crystallite size on the formation of hafnium carbide (HfC) coating was investigated via direct reaction of hafnium powders with mesophase pitch-based carbon fibers (CFs) heat-treated at various temperatures. X-ray diffraction,… read more here.
Keywords: carbide; carbon; hfc; carbon fibers ... See more keywords
Effects of HfC addition on microstructures and mechanical properties of TiC0.7N0.3-based and TiC0.5N0.5-based ceramic tool materials
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DOI: 10.1016/j.ceramint.2017.08.012
Abstract: Abstract Effects of HfC addition on microstructures and mechanical properties of TiC 0.7 N 0.3 -based and TiC 0.5 N 0.5 -based ceramic tool materials were investigated. The results showed that the same by-products such… read more here.
Keywords: addition; hfc; mechanical properties; hfc ceramics ... See more keywords
Improving the flexural property and long-lasting anti-ablation performance of the CVD-HfC coating by in-situ growing HfC nanowires
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DOI: 10.1016/j.ceramint.2019.08.143
Abstract: Abstract HfC nanowires (HfCNWs) were in-situ synthesized via CVD technique and acted as the reinforcement in the CVD-HfC coating for C/C composites. The morphology, flexural property and long-lasting anti-ablation performance of the HfC coating were… read more here.
Keywords: hfc coating; long lasting; lasting anti; flexural property ... See more keywords
Microstructure and anti-ablation performance of HfC-TaC and HfC-ZrC coatings synthesized by CVD on C/C composites
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.01.006
Abstract: Abstract HfC-TaC and HfC-ZrC biphase coatings were synthesized on C/C composites through CVD technique with the aim of elevating the anti-ablation performance of the HfC monophase coating. The phase composition, microstructure and anti-ablation performance of… read more here.
Keywords: hfc tac; anti ablation; hfc; hfc zrc ... See more keywords
Peng-Robinson-based association equation of state for mixtures of hydrofluorocarbon refrigerants
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DOI: 10.1016/j.fluid.2018.10.004
Abstract: Abstract The objective of this work was to extend to mixtures of hydrofluorocarbon refrigerants a recently developed Peng-Robinson plus association equation of state for those compounds. In that equation of state, two terms constituted the… read more here.
Keywords: 134a hfc; peng robinson; equation; hfc 134a ... See more keywords
The superior thermal stability and tensile properties of hot rolled W-HfC alloys
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Refractory Metals and Hard Materials"
DOI: 10.1016/j.ijrmhm.2019.02.018
Abstract: Abstract Herein, a W-0.5wt%HfC (WHC05) alloy is fabricated by conventional sintering and multi-step hot-rolling. The high-temperature stability and tensile properties at different temperatures, ranging from room temperature to 600 °C, are studied to demonstrate the… read more here.
Keywords: thermal stability; stability tensile; stability; temperature ... See more keywords
Electromagnetic wave absorbing performance of multiphase (SiC/HfC/C)/SiO2 nanocomposites with an unique microstructure
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2020.11.011
Abstract: Abstract Dielectric properties and electromagnetic (EM) wave absorbing performance of monolithic (SiC/HfC/C)/SiO2 nanocomposites (denoted as SHCOs) have been investigated in the X-band (8.2–12.4 GHz). The multiphase SHCOs are composed of insulating SiO2 and SiC/HfC/C nanocomposite… read more here.
Keywords: absorbing performance; sic hfc; hfc; sio2 ... See more keywords
Ablation resistance of HfC-TaC/HfC-SiC alternate coating for SiC-coated carbon/carbon composites under cyclic ablation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2021.01.050
Abstract: Abstract HfC-TaC/HfC-SiC alternate coatings with different sublayer thicknesses were fabricated on SiC-coated carbon/carbon composites by supersonic atmosphere plasma spraying. Their ablation resistance was studied under oxyacetylene torch and compared with monolayered HfC-TaC coating. The alternate… read more here.
Keywords: hfc tac; coating; hfc sic; ablation ... See more keywords