Powder comprising coated tungsten grains

US4498395A · kind A · utility

Assignee

• Dornier System GmbH

Inventors

• Wulf Kock · Alzenau, DE
• Rainer Schmidberger · Bermatingen, DE
• Wolfgang Wagner · Preetz, DE

Key dates

• Filing date: Jul 6, 1983
• Grant date: Feb 12, 1985
• Expiry date: Jul 6, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12181
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A heterogenous powder comprising particles of tungsten grains with a diameter of less than 1 .mu.m with a binder sponge-like coating of at least one metal selected from the group consisting of nickel, copper, silver, iron, cobalt, molybdenum and rhenium with a particle diameter of 10 to 50 .mu.m, a process for the preparation thereof, method of forming sintered elements therefrom and the elements produced thereby being useful as penetrating projectiles.