BRPI0608165B8 - refratário e seu método de produção, materias do refratário - Google Patents

refratário e seu método de produção, materias do refratário

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Publication number
BRPI0608165B8
BRPI0608165B8 BRPI0608165A BRPI0608165A BRPI0608165B8 BR PI0608165 B8 BRPI0608165 B8 BR PI0608165B8 BR PI0608165 A BRPI0608165 A BR PI0608165A BR PI0608165 A BRPI0608165 A BR PI0608165A BR PI0608165 B8 BRPI0608165 B8 BR PI0608165B8
Authority
BR
Brazil
Prior art keywords
refractory
carbon
resistance
production method
corrosion
Prior art date
Application number
BRPI0608165A
Other languages
English (en)
Inventor
Yoshitomi Joki
Morikawa Katsumi
Asano Keisuke
Haren Koichi
Hokii Toshiyuki
Original Assignee
Krosaki Harima 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 Krosaki Harima Corp filed Critical Krosaki Harima Corp
Publication of BRPI0608165A2 publication Critical patent/BRPI0608165A2/pt
Publication of BRPI0608165B1 publication Critical patent/BRPI0608165B1/pt
Publication of BRPI0608165B8 publication Critical patent/BRPI0608165B8/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
    • C04B35/013—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 containing carbon
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    • 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
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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
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Abstract

refratário e seu método de produção, materiais do refratário oferecemos um refratário contendo carbono que pode aumentar a resistência à corrosão/desgaste/choque térmico sem perder a resistência à oxidação. no refratário contendo carbono que é constituído por ligação de carbono que liga o material carbônico supracitado ou o agregado de refratário supracitado e o material carbônico/agregado do refratário constituiram-se na ligação de carbono, em condição dispersa, nano partículas de metal de transição contendo metais de transição com diâmetro de partícula inferior a 1000 nm. se isto receber tratamento térmico, será formada uma estrutura flexível de fibra de carbono com diâmetro inferior a 50 nm no interior da ligação de carbono. conseqüentemente, haverá um aumento da resistência, baixo coeficiente de elasticidade e baixo coeficiente de expansão térmica. assim sendo, pode-se oferecer um refratário contendo carbono, que tem alta resistência à corrosão/desgaste e choque térmico.
BRPI0608165A 2005-04-19 2006-04-19 refratário e seu método de produção, materias do refratário BRPI0608165B8 (pt)

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