Process for preparing x-ray amorphous and nanocrystalline metal powders

US5951739A · kind A · utility

Assignee

• Th. Goldschmidt. AG · DE

Inventors

• Astrid Klapdor · Essen, DE
• Wilfried Knott · Essen, DE
• Dagmar Windbiel · Essen, DE

Key dates

• Filing date: Mar 11, 1996
• Grant date: Sep 14, 1999
• Expiry date: Mar 11, 2016

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F2998/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

X-ray amorphous and nanocrystalline elemental metal powders of groups IB to VIIIB of the Periodic Table are prepared by reacting halides of these metals with alkali metal hydrides or alkaline earth metal hydrides in an organic solvent with continual milling.