Patent · US Active

Heat-resistant iron-chromium-aluminum alloy with low chromium vaporization rate and elevated thermal stability

US10196721B2 · kind B2 · utility

1Cited by

7References

12Claims

0Family size

Assignee

VDM Metals International GmbH · DE

Inventors

Heike Hattendorf · Werdohl, DE
Bernd Kuhn · Frankfurt am Main, DE
Thomas Eckardt · Cologne, DE
Tilmann Beck · Emmelshausen, DE
Willem J. Quadakkers · Werder (Havel), DE
Werner Theisen · Hattingen, DE
Nilofar Nabiran · Bochum, DE

Key dates

Filing date	Jun 6, 2012
Grant date	Feb 5, 2019
Priority date	—
Expiry date	Mar 5, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An iron-chromium-aluminum alloy with improved heat resistance, low chromium vaporization rate and good processability, comprising (in % by mass), 2.0 to 4.5% Al, 12 to 25% Cr, 1.0 to 4% W, 0.25 to 2.0% Nb, 0.05 to 1.2% Si, 0.001 to 0.70% Mn, 0.001 to 0.030% C, 0.0001 to 0.05% Mg, 0.0001 to 0.03% Ca, 0.001 to 0.030% P, max. 0.03% N, max. 0.01% S, remainder iron and the usual melting-related impurities.

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