Patent Number: 6,254,700

Title: Abradable quasicrystalline coating

Abstract: A thermally sprayed coating formed with a quasicrystal-containing alloy, the alloy consisting essentially of, by weight percent, 10 to 45 Cu, about 7 to 22 Fe, 0 to 30 Cr, 0 to 30 Co, 0 to 20 Ni, 0 to 10 Mo, 0 to 7.5 W and balance aluminum with incidental impurities. The alloy contains less than 30 weight percent .psi. phase and at least 65 weight percent .delta. phase. The coating has a macrohardness of less than HR15Y 90.

Inventors: Hermanek; Frank J. (Indianapolis, IN)

Assignee: Praxair S.T. Technology, Inc.

International Classification: C23C 4/06 (20060101); C23C 4/08 (20060101); C23C 4/04 (20060101); B32B 015/20 (); C22C 021/12 ()

Expiration Date: 07/03/2018