PILOT EVALUATION OF VANADIUM ALLOYS. Bimonthly Report No. 5, May 18, 1962 to July 17, 1962

Technical Report · Tue Aug 14 04:00:00 EDT 1962

OSTI ID:4792234

Rajala, B C; Holtz, F C

Experimental 200-gram Nb-V alloys were fabricated by hot, warm, and cold working techniques. At 2400 deg F, V-5 wt% Ti-20 wt% Nb base compositions complexed with carbon, oxygen, and/or nitrogen had ultimate tensile strengths in the range of 7,900 to 9,500 psi. When 1 or 2 wt% zirconium in combination with carbon was added to the V-20 wt% Nb base, 2400 deg F strengths increased to about 12,500 psi. The addition of 10 wt% tantalum or tungsten to the V-20 wt% Nb base produced uItimate tensile strength values of 15,500 psi at 2400 deg F. At the 60 wt% niobium level, the composition V-1 wt% Ti-60 wt% Nb-2.5 wt% Mo-0.5 wt% Ru had a 2400 deg F strength of 21,300 psi. A 100-pound V-1 wt% Ti-60 wt% Nb ingot weighed 65 pounds after scalping. Subsequent extrusion at a 4 to 1 ratio yielded a 39-pound sheet bar, major losses were due to a pipe in the ingot and to surface checking during extrusion. Warm rolling operations on the bar have progressed. (auth)

• Research Organization: Illinois Inst. of Tech., Chicago. Armour Research Foundation
• NSA Number: NSA-16-029348
• OSTI ID: 4792234
• Report Number(s): ARF-2231-5
• Country of Publication: United States
• Language: English

Related Subjects

CARBON COMPLEXES
COLD WORKING
DEFECTS
EXTRUSION
FABRICATION
HOT WORKING
METALS, CERAMICS, AND OTHER MATERIALS
MOLYBDENUM ALLOYS
NIOBIUM ALLOYS
NITROGEN COMPLEXES
OXYGEN COMPLEXES
RODS
ROLLING
RUTHENIUM ALLOYS
TANTALUM ALLOYS
TENSILE PROPERTIES
TITANIUM ALLOYS
TUNGSTEN ALLOYS
VANADIUM ALLOYS
ZIRCONIUM ALLOYS