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DEVELOPMENT OF OPTIMUM METHODS FOR THE PRIMARY WORKING OF REFRACTORY METALS

Technical Report ·
OSTI ID:4830246
;
Extrusion techniques and processes were developed to provide wrought materials. These techniques and processes helped to expedite alloy development programs in refractory metals. Improved lubrication techniques using Corning 7900 glass mixtures were developed for extruding refractory metals at 4000 deg F. The suitability of zirconium oxide ceramic coated steel dies for extrusion at 4000 deg F was confirmed. Improved extrusion techniques give reproducible, good quality, round and rectangular bar extrusions at temperatures up to 4000 deg F and reduction ratios of 9.5 to 1. (auth)
Research Organization:
Aeronautical Systems Div., Wright-Patterson AFB, Ohio
NSA Number:
NSA-16-019310
OSTI ID:
4830246
Report Number(s):
WADD-TR-60-418(Pt.III)
Country of Publication:
United States
Language:
English

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Related Subjects

COATING
DIES
EXTRUSION
GLASS
HIGH TEMPERATURE
LUBRICATION
METALS, CERAMICS, AND OTHER MATERIALS
MOLYBDENUM
MOLYBDENUM ALLOYS
NIOBIUM
NIOBIUM ALLOYS
RODS
STEELS
TANTALUM
TANTALUM ALLOYS
TUNGSTEN
TUNGSTEN ALLOYS
ZIRCONIUM OXIDES