Patent · US Expired

MCrAlX alloy and turbine component having protective layer made from MCrAlX alloy

US7261955B2 · kind B2 · utility

2Cited by

10References

11Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Michael Schutze · Mannheim, DE
Werner Stamm · Mülheim an der Ruhr, DE

Key dates

Filing date	Feb 17, 2006
Grant date	Aug 28, 2007
Priority date	—
Expiry date	Feb 17, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12931
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Protective layers of the MCrAlX type according to the prior art are often provided with a platinum layer to prevent diffusion of elements out of the base material into the MCrAlX. The MCrAlX alloy according to the invention includes halogens (F, Cl, Br, I), which prevent this diffusion, in particular of titanium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.