Wu et al., 2020 - Google Patents

Preparation technology of ultra-fine tungsten carbide powders: an overview

Wu et al., 2020

View HTML
Document ID
5393746595073292883
Author
Wu Y
Yang Y
Tan X
Luo L
Zan X
Zhu X
Xu Q
Cheng J
Publication year
Publication venue
Frontiers in Materials

External Links

Snippet

Ultrafine tungsten carbide (WC) powder refers to WC powders with a particle size between 100 and 500 nm. Researchers have improved the comprehensive properties of WC-based cemented carbides by preparing ultra-fine WC powders. Because of the preparation and …
Continue reading at www.frontiersin.org (HTML) (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00—Carbon; Compounds thereof
    • C01B31/02—Preparation of carbon; Purification; After-treatment
    • C01B31/0206—Nanosized carbon materials
    • C01B31/0293—Other structures, e.g. nano-onions, nano-scrolls, nano-horns, nano-cones or nano-walls
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00—Carbon; Compounds thereof
    • C01B31/02—Preparation of carbon; Purification; After-treatment
    • C01B31/04—Graphite, including modified graphite, e.g. graphitic oxides, intercalated graphite, expanded graphite or graphene
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00—Carbon; Compounds thereof
    • C01B31/02—Preparation of carbon; Purification; After-treatment
    • C01B31/0206—Nanosized carbon materials
    • C01B31/022—Carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/02—Boron; Borides
    • C01B35/04—Metal borides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides

Similar Documents

Publication Publication Date Title
Wu et al. Preparation technology of ultra-fine tungsten carbide powders: an overview
Alizadeh et al. Synthesis of boron carbide powder by a carbothermic reduction method
Zhao et al. Synthesis of chromium carbide (Cr3C2) nanopowders by the carbonization of the precursor
Yang et al. Synthesis of Y2O3-doped WC-Co powders by wet chemical method and its effect on the properties of WC-Co cemented carbide alloy
Liu et al. Recovery of tungsten carbides to prepare the ultrafine WC-Co composite powder by two-step reduction process
Liu et al. Eliminating bimodal structures of W-Y2O3 composite nanopowders synthesized by wet chemical method via controlling reaction conditions
Xie et al. Preparation of nano-sized titanium carbide particles via a vacuum carbothermal reduction approach coupled with purification under hydrogen/argon mixed gas
Pervikov et al. Synthesis of tungsten carbide from bimodal tungsten powder produced by electrical explosion of wire
Wu et al. Synthesis of high purity nano-sized transition-metal carbides
Guo et al. Investigation on reduction and carbonization process of WC-Co composite powder obtained by In situ synthesis
Wu et al. Synthesis of tungsten carbide nanopowders by direct carbonization of tungsten oxide and carbon: Effects of tungsten oxide source on phase structure and morphology evolution
Wang et al. Microstructure and preparation of an ultra-fine-grained W-Al2O3 composite via hydrothermal synthesis and spark plasma sintering
Lv et al. Effect of yttrium on morphologies and size of tungsten carbide particles prepared through CO reduction
Wu et al. Ultrafine/nano WC-Co cemented carbide: Overview of preparation and key technologies
Wang et al. Study on influencing factors and mechanism of high-quality tungsten carbide nanopowders synthesized via carbothermal reduction
Zhao et al. Effect of reaction time on phase composition and microstructure of chromium carbide nanopowders
Wang et al. Preparation of high-purity and ultrafine WC-Co composite powder by a simple two-step process
Pan et al. Preparation of nano-sized tungsten carbide via fluidized bed
Li et al. Synthesis of single-phase (ZrTiTaNbMo) C high-entropy carbide powders via magnesiothermic reduction process
Xue et al. Study on the preparation mechanism of novel WC-Cr2 (C, N)-Co nanocomposites
Pan et al. Synthesis of WC-Co composite powders with two-step carbonization and sintering performance study
Yin et al. Mechanism and experimental study on preparation of high-quality vanadium nitride by one-step vacuum carbothermal reduction nitridation method
Li et al. Low-temperature synthesis of high-purity TiB2 via carbothermal reduction of metatitanic acid and H3BO3
Yang et al. WC-VC/Cr3C2 composite powders prepared by a carbothermic reduction-carburization process
Ryu et al. Plasma synthesis of tungsten carbide nanopowder from ammonium paratungstate