BR112018076285A2 - sistemas e métodos para a fabricação de pós cerâmicos e produtos cerâmicos - Google Patents

sistemas e métodos para a fabricação de pós cerâmicos e produtos cerâmicos

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Publication number
BR112018076285A2
BR112018076285A2 BR112018076285-7A BR112018076285A BR112018076285A2 BR 112018076285 A2 BR112018076285 A2 BR 112018076285A2 BR 112018076285 A BR112018076285 A BR 112018076285A BR 112018076285 A2 BR112018076285 A2 BR 112018076285A2
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BR
Brazil
Prior art keywords
ceramic
ceramic powder
precursor mixture
combinations
systems
Prior art date
Application number
BR112018076285-7A
Other languages
English (en)
Inventor
C. Mcmillen James
M. Sworts Lance
D. Mosser Benjamin
Original Assignee
Alcoa Usa Corp.
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 Alcoa Usa Corp. filed Critical Alcoa Usa Corp.
Priority to BR122024000714-2A priority Critical patent/BR122024000714A2/pt
Publication of BR112018076285A2 publication Critical patent/BR112018076285A2/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
    • C04B35/515—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
    • 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
    • C04B35/5805—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 based on borides
    • C04B35/58064—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 based on borides based on refractory borides
    • C04B35/58071—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 based on borides based on refractory borides based on titanium borides
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    • 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
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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
    • C04B35/515—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
    • C04B35/52—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 carbon, e.g. graphite
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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
    • C04B35/515—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
    • 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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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
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    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

a presente invenção refere-se aos sistemas e métodos para fazer os pós cerâmicos. em algumas modalidades, um método para formar um pó cerâmico inclui: adicionar uma quantidade suficiente de aditivos a uma pluralidade de reagentes para formar uma mistura precursora de modo que quando a mistura precursora reage carbotermicamente a mistura precursora forma um pó cerâmico, em que o aditivo inclui pelo menos um de: um óxido, um sal, um metal puro ou uma liga de elementos que vão dos números atômicos 21 a 30, 39 a 51 e 57 a 77 e as combinações dos mesmos; e reação carbotérmica da mistura precursora para formar um pó cerâmico, em que o pó cerâmico compreende: a) uma morfologia selecionada a partir do grupo que consiste em irregular, equiaxial, em forma de placa e as combinações dos mesmos, e b) uma distribuição de tamanho de partícula selecionada a partir do grupo que consiste em finos, intermediários, grossos e as combinações dos mesmos.
BR112018076285-7A 2016-06-23 2017-06-23 sistemas e métodos para a fabricação de pós cerâmicos e produtos cerâmicos BR112018076285A2 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122024000714-2A BR122024000714A2 (pt) 2016-06-23 2017-06-23 Métodos para preparar uma mistura precursora

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662353880P 2016-06-23 2016-06-23
US62/353,880 2016-06-23
PCT/US2017/039048 WO2017223481A1 (en) 2016-06-23 2017-06-23 Systems and methods for making ceramic powders and ceramic products

Publications (1)

Publication Number Publication Date
BR112018076285A2 true BR112018076285A2 (pt) 2019-03-26

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BR122024000714-2A BR122024000714A2 (pt) 2016-06-23 2017-06-23 Métodos para preparar uma mistura precursora
BR112018076285-7A BR112018076285A2 (pt) 2016-06-23 2017-06-23 sistemas e métodos para a fabricação de pós cerâmicos e produtos cerâmicos

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BR122024000714-2A BR122024000714A2 (pt) 2016-06-23 2017-06-23 Métodos para preparar uma mistura precursora

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US (1) US11753345B2 (pt)
EP (1) EP3475246A4 (pt)
JP (1) JP7186621B2 (pt)
CN (1) CN109415270A (pt)
AU (2) AU2017281911B2 (pt)
BR (2) BR122024000714A2 (pt)
CA (1) CA3026766A1 (pt)
DK (1) DK180800B1 (pt)
EA (1) EA201990099A1 (pt)
WO (1) WO2017223481A1 (pt)
ZA (1) ZA201900111B (pt)

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DK180800B1 (en) 2022-04-01
EA201990099A1 (ru) 2019-05-31
EP3475246A1 (en) 2019-05-01
AU2021261929A1 (en) 2021-12-09
AU2021261929B2 (en) 2023-07-20
EP3475246A4 (en) 2020-01-08
JP7186621B2 (ja) 2022-12-09
AU2017281911B2 (en) 2021-08-05
DK201970003A1 (en) 2019-01-07
BR122024000714A2 (pt) 2024-02-27
CA3026766A1 (en) 2017-12-28
DK201970003A9 (en) 2020-05-07
AU2017281911A1 (en) 2019-01-17
JP2019522619A (ja) 2019-08-15
ZA201900111B (en) 2022-08-31
DK201970003A8 (en) 2021-07-08
US11753345B2 (en) 2023-09-12
CN109415270A (zh) 2019-03-01
US20190127282A1 (en) 2019-05-02
WO2017223481A1 (en) 2017-12-28

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