BR112014011382A8 - processo para preparação de objetos cerâmicos transparentes através de granulação por leito fluidizado - Google Patents

processo para preparação de objetos cerâmicos transparentes através de granulação por leito fluidizado

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Publication number
BR112014011382A8
BR112014011382A8 BR112014011382A BR112014011382A BR112014011382A8 BR 112014011382 A8 BR112014011382 A8 BR 112014011382A8 BR 112014011382 A BR112014011382 A BR 112014011382A BR 112014011382 A BR112014011382 A BR 112014011382A BR 112014011382 A8 BR112014011382 A8 BR 112014011382A8
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BR
Brazil
Prior art keywords
fluidized bed
bed granulation
preparing
transparent ceramic
ceramic objects
Prior art date
Application number
BR112014011382A
Other languages
English (en)
Other versions
BR112014011382A2 (pt
Inventor
Schnetter Lars
Original Assignee
Ceramtec-Etec Gmbh
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 Ceramtec-Etec Gmbh filed Critical Ceramtec-Etec Gmbh
Publication of BR112014011382A2 publication Critical patent/BR112014011382A2/pt
Publication of BR112014011382A8 publication Critical patent/BR112014011382A8/pt

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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/115—Translucent or transparent products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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    • C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
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    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

resumo patente de invenção: "processo para preparação de objetos cerâmicos transparentes através de granulação por leito fluidizado". a presente invenção refere-se a um processo para preparação de objetos cerâmicos transparentes com um rit > 10 % na faixa de comprimento de onda de 300 nm a 4000 nm para uma espessura de parede do objeto cerâmico de 2 mm, com as etapas de processo: preparação de um engobe por dispersão de um pó cerâmico que possui um tamanho de partícula d50 < 5 µm, de preferência entre 5 nm e 500 nm; preparação de um granulado, que possui um tamanho de partícula d50 < 1 mm, de preferência entre 50 µm e 500 µm, ainda mais preferido entre 80 µm e 300 µm, a partir do engobe, por granulação por leito fluidizado; compactação simples, não cíclica do granulado para formar um corpo moldado verde; sinterização do corpo moldado verde para formar um corpo sinterizado; e pós-compactação do corpo sinterizado.
BR112014011382A 2011-11-10 2012-11-12 processo para preparação de objetos cerâmicos transparentes através de granulação por leito fluidizado BR112014011382A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011086100 2011-11-10
PCT/EP2012/072344 WO2013068576A1 (de) 2011-11-10 2012-11-12 Verfahren zur herstellung transparenter keramikgegenstände mittels wirbelschichtgranulation

Publications (2)

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BR112014011382A2 BR112014011382A2 (pt) 2017-06-13
BR112014011382A8 true BR112014011382A8 (pt) 2017-06-20

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US (1) US20140374931A1 (pt)
EP (1) EP2776378A1 (pt)
JP (1) JP2015501775A (pt)
KR (1) KR20140103938A (pt)
CN (1) CN104220397A (pt)
BR (1) BR112014011382A8 (pt)
DE (1) DE102012220518A1 (pt)
IL (1) IL232543A0 (pt)
IN (1) IN2014CN04217A (pt)
RU (1) RU2014123398A (pt)
WO (1) WO2013068576A1 (pt)

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WO2016021346A1 (ja) * 2014-08-08 2016-02-11 信越化学工業株式会社 透明セラミックスの製造方法
CN105732011A (zh) * 2014-12-10 2016-07-06 辽宁利永盛新材料有限公司 一种新型多功能硅藻土陶粒的制备方法
WO2018174814A1 (en) * 2017-03-23 2018-09-27 Dso National Laboratories A protective material
CN109836089A (zh) * 2017-11-27 2019-06-04 辽宁法库陶瓷工程技术研究中心 一种多功能免烧型呼吸砖的制备方法
CN112299828A (zh) * 2020-11-09 2021-02-02 新沂市锡沂高新材料产业技术研究院有限公司 一种应用于5g太阳能手机的透明陶瓷背板的制备方法

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DE102004004259B3 (de) 2004-01-23 2005-11-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transparente polykristalline Sinterkeramik kubischer Kristallstruktur
DE102007059091A1 (de) * 2007-12-07 2009-06-10 ETEC Gesellschaft für technische Keramik mbH Verfahren zur Herstellung einer polykristallinen transparenten Keramik
DE102009035501B4 (de) * 2009-07-30 2016-06-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. α-Al2O3-Sintermaterial und Verfahren zur Herstellung eines hochdichten und feinstkristallinen Formkörpers aus diesem Material sowie dessen Verwendung
FR2954766B1 (fr) * 2009-12-24 2015-04-24 Saint Gobain Ct Recherches Poudre de granules de ceramique
EP2776379A1 (de) * 2011-11-07 2014-09-17 CeramTec-Etec GmbH Transparente keramik
DE102013226579A1 (de) * 2012-12-19 2014-06-26 Ceramtec-Etec Gmbh Keramikwerkstoff

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WO2013068576A1 (de) 2013-05-16
RU2014123398A (ru) 2015-12-20
IL232543A0 (en) 2014-06-30
BR112014011382A2 (pt) 2017-06-13
IN2014CN04217A (pt) 2015-07-17
EP2776378A1 (de) 2014-09-17
JP2015501775A (ja) 2015-01-19
DE102012220518A1 (de) 2013-05-16
US20140374931A1 (en) 2014-12-25
KR20140103938A (ko) 2014-08-27

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