DEVELOPMENT OF OPTIMUM METHODS FOR THE PRIMARY WORKING OF REFRACTORY METALS
Technical Report
·
OSTI ID:4826018
The development of new processes and techniques for the primary working of refractory metal alloys by hot extrusion is described. The process developed during the first years' work was considerably improved and was uscd successfully in extruding refractory metals at temperatures above 4000 deg F. This required the development of improved high temperature billet lubrication, novel die designs utilizing ceramic facing materials, high temperature heating facilities, and methods for accurately sensing billet temperatures. The suitability of thc process was estab lished by metallurgical evaluation of extruded materials which demonstrated a high degree of amenability to subsequent reworking by conventional methods. In addition, the extrusion process as developed was applied to a wide variety of refractory metal alloys and was useful in providing a substantial quantity of wrought materials. (auth)
- Research Organization:
- Harvey Aluminum, Torrance, Calif.
- NSA Number:
- NSA-16-004518
- OSTI ID:
- 4826018
- Report Number(s):
- WADD-TR-60-418(Pt.II)
- Country of Publication:
- United States
- Language:
- English
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