Method for producing porous form bodies

US5001088A · kind A · utility

Assignee

• MTU Motoren-und Turbinen-Union · DE

Inventors

• Holger Hauptmann · Sindelsdorf, DE
• Gerhard Andrees · Munich, DE

Key dates

• Filing date: Oct 25, 1988
• Grant date: Mar 19, 1991
• Expiry date: Oct 25, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B38/08
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A porous form body is produced of sinterable SiC-powder by forming a suitable suspension of said SiC-powder and then treating the suspension to convert it into droplets and the droplets into a granular material in which the granules are substantially larger than the particles of SiC-powder. The granular material is then formed into a green body, e.g. by spraying the granules onto a negative mold of the form body or slip-casting or the like. The green body is then sintered whereby the resulting porosity in the final form body provides the form body with low drag.