FABRICATION OF BERYLLIUM FINE WIRE.
Abstract
The object of the project was to develop techniques for the fabrication of beryllium (S-200B) fine wire and establish optimum mechanical properties. Various lubricants and drawing temperatures were evaluated. Certain metal-sulfur compounds in conjunction with graphite were found to be the best solid-film combinations. Wire diameters as small as 0.00477 inch were produced with each lubrication system. A pickling technique was found which enhanced the bending properties of beryllium wire. The bend testing showed beryllium wire of commercial chemical purity to be ductile so long as the applied stress was rotationally asymmetrical about the wire axis. Tensile testing revealed that strength levels in the vicinity of 200,000 psi were attainable and that tensile strength was a function of reduction ratio from the last anneal and of a drawn diameter but was not a function of pickled diameter. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 1961
- Accession Number
- AD0630859
Entities
People
- A. G. Gross Jr.
- R. G. O'rourke
- W. W. Beaver