Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
REFRACTORY FOR CASTING, AND PLATE FOR SLIDING NOZZLE DEVICE
PROBLEM TO BE SOLVED: To improve furthermore corrosion resistance and thermal shock resistance of a magnesia-quality refractory for casting.SOLUTION: There is provided a refractory for casting containing MgO as much as 40 mass% or more and 85 mass% or less, and AlOC as much as 10 mass% or more and 50 mass% or less, in the state after a heat treatment under a 500°C non-oxidative atmosphere. In the refractory for casting, a thermal expansion coefficient at 1,000°C is 0.9% or less, and a different between an average thermal expansion coefficient in the range from 1,100°C to 1,500°C and an average thermal expansion coefficient in the range from room temperature to 1,100°C is 6×10/°C or less.SELECTED DRAWING: None
【課題】マグネシア質の鋳造用耐火物の耐食性及び耐熱衝撃性をさらに改善する。【解決手段】５００℃非酸化雰囲気での熱処理後の状態で、ＭｇＯを４０質量％以上８５質量％以下、Ａｌ４Ｏ４Ｃを１０質量％以上５０質量％以下含有する鋳造用耐火物であって、１０００℃での熱膨張率が０．９％以下、かつ、１１００℃から１５００℃までの平均の熱膨張係数と室温から１１００℃までの平均の熱膨張係数との差が６×１０−６／℃以下である鋳造用耐火物。【選択図】なし
REFRACTORY FOR CASTING, AND PLATE FOR SLIDING NOZZLE DEVICE
PROBLEM TO BE SOLVED: To improve furthermore corrosion resistance and thermal shock resistance of a magnesia-quality refractory for casting.SOLUTION: There is provided a refractory for casting containing MgO as much as 40 mass% or more and 85 mass% or less, and AlOC as much as 10 mass% or more and 50 mass% or less, in the state after a heat treatment under a 500°C non-oxidative atmosphere. In the refractory for casting, a thermal expansion coefficient at 1,000°C is 0.9% or less, and a different between an average thermal expansion coefficient in the range from 1,100°C to 1,500°C and an average thermal expansion coefficient in the range from room temperature to 1,100°C is 6×10/°C or less.SELECTED DRAWING: None
【課題】マグネシア質の鋳造用耐火物の耐食性及び耐熱衝撃性をさらに改善する。【解決手段】５００℃非酸化雰囲気での熱処理後の状態で、ＭｇＯを４０質量％以上８５質量％以下、Ａｌ４Ｏ４Ｃを１０質量％以上５０質量％以下含有する鋳造用耐火物であって、１０００℃での熱膨張率が０．９％以下、かつ、１１００℃から１５００℃までの平均の熱膨張係数と室温から１１００℃までの平均の熱膨張係数との差が６×１０−６／℃以下である鋳造用耐火物。【選択図】なし
REFRACTORY FOR CASTING, AND PLATE FOR SLIDING NOZZLE DEVICE
鋳造用耐火物及びスライディングノズル装置用のプレート
MAKINO TARO (Autor:in) / AKAMINE KEIICHIRO (Autor:in) / ITO KAZUO (Autor:in)
07.09.2017
Patent
Elektronische Ressource
Japanisch
IPC:
B22D
CASTING OF METALS
,
Gießen von Metallen
/
C04B
Kalk
,
LIME
/
C21C
Weiterverarbeiten von Roheisen, z.B. Feinen, Herstellen von Schweißeisen oder Stahl
,
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
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