Alloy having reduced inclusions

US8778262B2 · kind B2 · utility

Assignee

• HERAEUS PRECIOUS METALS GMBH & CO. KG · DE

Inventors

• Herwig Schiefer · Frankfurt, DE
• Christoph Vogt · Hanau, DE
• Heiko Specht · Hanau, DE
• Jens Troetzschel · Bruchköbel, DE

Key dates

• Filing date: Mar 1, 2013
• Grant date: Jul 15, 2014
• Expiry date: Mar 1, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F2998/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

One aspect is an alloy consisting of niobium, zirconium, tantalum, and tungsten. The alloy is formed with a melt metallurgical route such that all four metals solidify as a homogeneous alloy having no inclusions more than 10 μm in size.