CASTABLE REFRACTORY AND CASTING NOZZLE AND SLIDING NOZZLE PLATE USING SAME

Title:

CASTABLE REFRACTORY AND CASTING NOZZLE AND SLIDING NOZZLE PLATE USING SAME

Document Type and Number:

WIPO Patent Application WO/2015/151599

Kind Code:

A1

Abstract:

The objective of the present invention is to improve durability of a castable refractory, in particular, a refractory which is used for long periods of time or repeatedly such as a casting nozzle or an SN plate. This castable refractory is a castable refractory which includes 15 to 60 mass% of Al4O4C and 1.2 to 10.0 mass% of an Al component as metal and has a balance of Al2O3, free C, and other refractory components, where a total of Al4O4C, Al2O3, and the Al component as metal is 85 mass% or more and a content of Al4O4C (Al4O4C), a content of the Al component as metal (Al), and a content of the free C (C) satisfy the relationships of formula 1 and formula 2. 1.0≤C/(Al4O4C×0.038+Al×0.33)…Formula 1 1.0≥C/(Al4O4C×0.13+Al×0.67) …Formula 2

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Inventors:

AKAMINE KEIICHIRO (JP)
ITO KAZUO (JP)
MAKINO TARO (JP)

Application Number:

PCT/JP2015/053817

Publication Date:

October 08, 2015

Filing Date:

February 12, 2015

Export Citation:

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Assignee:

KROSAKIHARIMA CORP (JP)

International Classes:

C04B35/00; B22D11/10; B22D41/32; B22D41/54; C04B35/101; F27D1/00; F27D3/14

Foreign References:

JP2012072006A	2012-04-12
JP2011104596A	2011-06-02
JP2013053034A	2013-03-21
CN102898157A	2013-01-30

Other References: