Porous β-SiC-containing ceramic molded article comprising an aluminum oxide coating, and method for the production thereof

US7867313B2 · kind B2 · utility

Assignee

• Helsa-Automotive GmbH & Co. KG · DE

Inventors

• Nahum Travitzky · Koblenzer Straße, DE
• Daniel Galsterer · Erlangen, DE
• Peter Greil · Weisendorf, DE
• Thomas Wolff · Furtwangen, DE
• Heino Sieber · Ingolstadt, DE
• Lars Weisensel · Goldbach, DE

Key dates

• Filing date: Jul 5, 2006
• Grant date: Jan 11, 2011
• Expiry date: Jun 19, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/268
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention concerns a process for the production of a porous β-SiC-bearing ceramic molded body that includes an aluminum oxide layer at the surface of the pores and passages of the porous β-SiC-bearing ceramic molded body. The invention further concerns a porous β-SiC-bearing ceramic molded body which has pores of a mean pore size in the range of between 0.1 urn and 50 μm and an aluminum oxide layer at the surface of the open pores and passages.