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Binary and Ternary Alloys of Zirconium with Tantalum and Niobium; MEKHANICHESKIE SVOISTVA DVOINYKH I TROINYKH SPLAVOV TSIRKONIYA S TANTALOM I NIOBIUM PRI KOMNATNOI I POVYSHENNYKH TEMPERATURAKH

Technical Report ·
OSTI ID:4266398
; ;
The results of investlgations of a binary system of Zr - Ta by metallography, thermal analysis, measurements of electrical resistance, and x-ray phase analysis are presented. The results of analyzing the zirconium angle of the ternary system Zr-Ta-Nb which possesses a limited solubility of tantalum in BETA -zirconium, complete solubility of niobium in BETA -zirconium with eutectoid decay of a BETA -solid solution, and eutectoid equilibrium BETA in equilibrium alpha + gamma between BETA - and alpha -zirconium are outlined. A study was also made of the solubility of niobium in alpha zirconium, the temperature of eutectoid decay, and the position of the eutectoid point in the system Zr-Nb. The results of studying the mechanical properties of binary and ternary alloys of zirconium with tantalum and niobium are presented. Measurements were taken of the hardness of cast and hardened alloys after they had been isothermaliy annealed at room temperature and of annealed alloys at higher (up to 700 deg C) temperatures. A study was made of the effect of thermal treatment on the strengih of binary alloys of zirconium with tantalum and niobium and on the strength of ternary alloys at 350 deg C. Conclusions were drawn regarding the influence of tantalum and niobium on the mechanical properties of zirconium at room and higher temperatures. (auth)
Research Organization:
U.S.S.R.
NSA Number:
NSA-13-006827
OSTI ID:
4266398
Report Number(s):
A/CONF.15/P/2055
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ALLOTROPY
ANNEALING
CASTING
ELECTRIC CONDUCTIVITY
EUTECTICS
HARDNESS
HIGH TEMPERATURE
MEASURED VALUES
MECHANICAL PROPERTIES
METALLOGRAPHY
METALLURGY AND CERAMICS
NIOBIUM ALLOYS
PHASE DIAGRAMS
SOLID SOLUTIONS
SOLUBILITY
TANTALUM ALLOYS
TEMPERATURE
TEMPERING
THERMODYNAMICS
X RADIATION
ZIRCONIUM
ZIRCONIUM ALLOYS
ZIRCONIUM-ALPHA
ZIRCONIUM-BETA