TITANIUM-GADOLINIUM PHASE DIAGRAM
Results indicate that the system is composed of a single eutectic reaction and a peritectoid reaction involving the alpha-beta transformation of Ti. The eutectic isotherm extends from 1 to 99% Gd at 1240 deg C. The established eutectic composition is about 95% Gd. The peritectoid reaction occurs at 885 deg C and extends almost over the entire composition range. Hardness increases slightly with additions of Gd, and little change is obtained by heat treatment. Alloys containing less than 10% Gd are amenable to extensive cold-working, but alloys having higher percentage of Gd content are only moderately cold-workable. All alloys can be hot-worked in iron sheathing at 750 deg C Observation indicates that all compositions possess good machinability. Corrosion resistance to water at room temperature is apparently poor, especially in the Gd-rich alloys. (auth)
- Research Organization:
- Bureau of Mines. Albany Metallurgy Research Center, Ore.
- NSA Number:
- NSA-15-021139
- OSTI ID:
- 4064618
- Report Number(s):
- BM-RI-5796
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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CANNING
COLD WORKING
CORROSION
EFFICIENCY
EUTECTICS
GADOLINIUM
GADOLINIUM ALLOYS
HARDNESS
HEAT TREATMENTS
HIGH TEMPERATURE
HOT WORKING
IRON
MACHINING
METALS, CERAMICS, AND OTHER MATERIALS
PHASE DIAGRAMS
QUANTITY RATIO
REACTION KINETICS
STABILITY
TEMPERATURE
TITANIUM
TITANIUM ALLOYS
TITANIUM-ALPHA
TITANIUM-BETA
WATER