WO2008102357A3 - Procédé pour la préparation de matériaux céramiques - Google Patents

Procédé pour la préparation de matériaux céramiques Download PDF

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Publication number
WO2008102357A3
WO2008102357A3 PCT/IL2008/000228 IL2008000228W WO2008102357A3 WO 2008102357 A3 WO2008102357 A3 WO 2008102357A3 IL 2008000228 W IL2008000228 W IL 2008000228W WO 2008102357 A3 WO2008102357 A3 WO 2008102357A3
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WO
WIPO (PCT)
Prior art keywords
preparation
ceramic materials
boron
oxides
carbide
Prior art date
Application number
PCT/IL2008/000228
Other languages
English (en)
Other versions
WO2008102357A2 (fr
Inventor
Emanual Prilutsky
Oleg Prilutsky
Dan Yardeni
Original Assignee
Boron Compounds Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boron Compounds Ltd. filed Critical Boron Compounds Ltd.
Priority to JP2009550771A priority Critical patent/JP2010520846A/ja
Priority to EP08710228A priority patent/EP2125663A4/fr
Publication of WO2008102357A2 publication Critical patent/WO2008102357A2/fr
Priority to US12/544,673 priority patent/US20100069223A1/en
Publication of WO2008102357A3 publication Critical patent/WO2008102357A3/fr

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
    • C01B21/0645—Preparation by carboreductive nitridation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/942—Calcium carbide
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    • C01B32/90—Carbides
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    • C01B32/949—Tungsten or molybdenum carbides
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    • C01B32/956—Silicon carbide
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    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C01B32/963—Preparation from compounds containing silicon
    • C01B32/97—Preparation from SiO or SiO2
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
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    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron

Abstract

La présente invention concerne un procédé nouveau et utile pour la préparation de carbure de bore, nitrure de bore et carbure de silicium qui comprend une étape de carburation ou nitruration d'oxydes de bore ou oxydes de silicium à l'aide de substrats de nanoparticules.
PCT/IL2008/000228 2007-02-22 2008-02-21 Procédé pour la préparation de matériaux céramiques WO2008102357A2 (fr)

Priority Applications (3)

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JP2009550771A JP2010520846A (ja) 2007-02-22 2008-02-21 セラミック材料の調製方法
EP08710228A EP2125663A4 (fr) 2007-02-22 2008-02-21 Procédé pour la préparation de matériaux céramiques
US12/544,673 US20100069223A1 (en) 2007-03-07 2009-08-20 Method for the preparation of ceramic materials

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US90251207P 2007-02-22 2007-02-22
US60/902,512 2007-02-22

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WO2008102357A3 true WO2008102357A3 (fr) 2010-02-25

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TR200708309A2 (tr) * 2007-11-30 2009-04-21 İstanbul Tekni̇k Üni̇versi̇tesi̇ Rektörlüğü Bor karbür üretim yöntemi.
JP5105372B2 (ja) * 2009-02-03 2012-12-26 独立行政法人物質・材料研究機構 窒化ホウ素球状ナノ粒子とその製造方法
EP2408711A4 (fr) * 2009-03-19 2014-05-28 Boron Compounds Ltd Procédé de préparation d'une poudre de nitrure de bore
US9764958B2 (en) 2013-03-15 2017-09-19 West Virginia University Research Corporation Process for pure carbon production, compositions, and methods thereof
EP3212572B1 (fr) 2014-10-21 2019-04-24 West Virginia University Research Corporation Méthodes et appareils de production de carbone
SG11201808970YA (en) * 2016-04-20 2018-11-29 Univ West Virginia Methods, apparatuses, and electrodes for carbide-to-carbon conversion with nanostructured carbide chemical compounds
JP6993897B2 (ja) * 2018-02-23 2022-02-03 太平洋セメント株式会社 炭化ホウ素の製造方法
PL440310A1 (pl) * 2022-02-07 2023-08-14 Akademia Górniczo-Hutnicza Im.Stanisława Staszica W Krakowie Sposób otrzymywania nanocząstek węglika boru

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US5194234A (en) * 1988-02-05 1993-03-16 The Dow Chemical Company Method for producing uniform, fine boron-containing ceramic powders
JPH01203205A (ja) * 1988-02-08 1989-08-16 Asahi Chem Ind Co Ltd 窒化硼素粉末の製造法
US20060051281A1 (en) * 2004-09-09 2006-03-09 Bhabendra Pradhan Metal carbides and process for producing same

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JP2010520846A (ja) 2010-06-17
EP2125663A2 (fr) 2009-12-02
EP2125663A4 (fr) 2012-05-23
WO2008102357A2 (fr) 2008-08-28

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