초록 ▼

This invention provides a method for manufacturing said sintered body, comprising preparing a starting material by adding 10 to 1,000 wt. parts of metal silicon powder to 100 wt. parts of mixed powder composed of 20 to 80 wt. % silica powder and 80 to 20 wt. % aluminium powder and mixing said powder

This invention provides a method for manufacturing said sintered body, comprising preparing a starting material by adding 10 to 1,000 wt. parts of metal silicon powder to 100 wt. parts of mixed powder composed of 20 to 80 wt. % silica powder and 80 to 20 wt. % aluminium powder and mixing said powders thoroughly, further adding, if required, a refractory fine powder of alumina, silicon nitride, aluminium nitride, b

대표청구항 ▼

A method for manufacturing a b10 to 1,000 wt. parts of metal silicon powder to 100 wt. parts of mixed powder composed of 20 to 80 wt.% silica powder and 80 to 20 wt.% aluminum powder and thoroughly mixing said powders to obtain a powderous starting material; (b) molding said powderous starting mater

A method for manufacturing a b10 to 1,000 wt. parts of metal silicon powder to 100 wt. parts of mixed powder composed of 20 to 80 wt.% silica powder and 80 to 20 wt.% aluminum powder and thoroughly mixing said powders to obtain a powderous starting material; (b) molding said powderous starting material into a green compact, and, (c) sintering said green compact in a nitrogenous non-oxidative gas atmosphere at a temperature of from about 1200°to about 1550°C. to form a b