초록 ▼

This invention provides a reaction-bonded silicon carbide article having superior abrasion resistance, oxidation resistance and uniformity in which the bond phase comprises appreciable amounts of both silicon oxynitride and alumina. Also provided are a raw batch and a process for producing the react

This invention provides a reaction-bonded silicon carbide article having superior abrasion resistance, oxidation resistance and uniformity in which the bond phase comprises appreciable amounts of both silicon oxynitride and alumina. Also provided are a raw batch and a process for producing the reaction-bonded article.

대표청구항 ▼

A raw batch for producing a reaction-bonded silicon carbide refractory article, said raw batch comprising between about 88 wt % and about 98.5 wt % solids and between about 1.5 wt % and about 12 wt % vehicle, said solids including about 60 wt % to about 85 wt % silicon carbide, about 5 wt % to about

A raw batch for producing a reaction-bonded silicon carbide refractory article, said raw batch comprising between about 88 wt % and about 98.5 wt % solids and between about 1.5 wt % and about 12 wt % vehicle, said solids including about 60 wt % to about 85 wt % silicon carbide, about 5 wt % to about 16 wt % silicon, about 5 wt % to about 14 wt % alumina, and about 1 wt % to about 7 wt % silica.