NICKEL-RUTHENIUM ALLOYS (in German)
The equilibrium diagram of the system Ni-Ru was investigated by a combination of thermal, microscopic, and x-ray methods. Ni-Ru alloys show a peritectic reaction with a largely extended field of solid solution at the peri tectic temperature. The solubility curve of the Ru-rich solid solutions shows a slight retrograding. Between the peritectic temperature (1490 deg ) and 600 deg the solubility curve of the Ni-rich phase drops from 29.7 at.% Ru (42.2 wt.%) to 3.1 at.% Ru (6.2 wt.%). In the same temperature range the solubility curve of the Ru-rich phase drops from 45.7 at.% Ni (35.4 wt.%) to 7.2 at.% Ni (4.5 wt.%). In the field of Ni-rich solid solution the hardness ts considerably tncreased with increasing Ru content. Alloys with a maximum content of 30 at. % Ru (42.5 wt.%) are easily deformable by cold-rolling and cold-forging. The deformability decreased markedly with higher Ru contents. (auth)
- Research Organization:
- Forschungsinstitut fur Edelmetalle und Metallchemie, Schwabisch Gmund, Ger.
- NSA Number:
- NSA-16-012162
- OSTI ID:
- 4807047
- Journal Information:
- Z. Metallk., Journal Name: Z. Metallk. Vol. Vol: 52
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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Related Subjects
COLD WORKING
DEFORMATION
DIAGRAMS
EXPANSION
FORGING
HARDNESS
HIGH TEMPERATURE
METALS, CERAMICS, AND OTHER MATERIALS
MICROSCOPY
NICKEL
NICKEL ALLOYS
PERITECTICS
PHASE DIAGRAMS
REACTION KINETICS
ROLLING
RUTHENIUM
RUTHENIUM ALLOYS
SOLID SOLUTIONS
SOLUBILITY
STABILITY
TEMPERATURE
THERMAL ANALYSIS
X RADIATION