Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
HIGH ZIRCONIA FUSED CAST REFRACTORY
To provide a high zirconia fused cast refractory having high durability, which hardly has cracks at the time of production of the refractory, during the heating, by temperature changes during use and during the cooling at the time of suspension of operation. A high zirconia fused cast refractory which has a chemical composition comprising from 88 to 96.5 mass% of ZrO 2 , from 2.5 to 9.0 mass% of SiO 2 , from 0.4 to 1.5 mass% of Al 2 O 3 , from 0.07 to 0.26 mass% of Na 2 O, from 0.3 to 1.3 mass% of K 2 O, from 0 to 0.3 mass% by outer percentage of Li 2 O, at most 0.08 mass% by outer percentage of B 2 O 3 , and at most 0.08 mass% by outer percentage of P 2 O 5 , and contains B 2 O 3 +P 2 O 5 in a content of at most 0.1 mass% by outer percentage.
HIGH ZIRCONIA FUSED CAST REFRACTORY
To provide a high zirconia fused cast refractory having high durability, which hardly has cracks at the time of production of the refractory, during the heating, by temperature changes during use and during the cooling at the time of suspension of operation. A high zirconia fused cast refractory which has a chemical composition comprising from 88 to 96.5 mass% of ZrO 2 , from 2.5 to 9.0 mass% of SiO 2 , from 0.4 to 1.5 mass% of Al 2 O 3 , from 0.07 to 0.26 mass% of Na 2 O, from 0.3 to 1.3 mass% of K 2 O, from 0 to 0.3 mass% by outer percentage of Li 2 O, at most 0.08 mass% by outer percentage of B 2 O 3 , and at most 0.08 mass% by outer percentage of P 2 O 5 , and contains B 2 O 3 +P 2 O 5 in a content of at most 0.1 mass% by outer percentage.
HIGH ZIRCONIA FUSED CAST REFRACTORY
FEUERBESTÄNDIGES FUSIONSGUSSMATERIAL MIT HOHEM ZIRKONOXIDGEHALT
PRODUIT RÉFRACTAIRE ÉLECTROFONDU À HAUTE TENEUR EN ZIRCONE
TOMURA NOBUO (Autor:in) / USHIMARU YUKIHIRO (Autor:in) / HAYASHI SHINYA (Autor:in)
10.06.2020
Patent
Elektronische Ressource
Englisch