Ductile tungsten

Author:

WCW. D. Coolidge
W. D. Coolidge

1 June 1910

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the American Institute of Electrical Engineers

Vol. 29 (6) , 953-957
DOI:10.1109/paiee.1910.6660133

Abstract

When work was first started on the problem of producing a ductile form of tungsten, the metal looked very uncompromising. It was so hard that it could not be filed without detriment to the file, and was, at ordinary temperatures, very brittle.

Keywords

TUNGSTEN
WIRES
IMPURITIES
CHEMICALS
CHEMICAL ELEMENTS
COPPER