Dynamic recrystallization during creep in a 45 Pct Ni-35 Pct Fe-20 Pct Cr alloy system
Journal Article
·
· Metall. Trans., A; (United States)
A combined 3.5 wt pct Mo + 1.2 wt pct Ti imparted dynamic recrystallization in a 35 wt pct Fe45 wt pct Ni-20 wt pct Cr alloy system during creep at 700C, whereas 3.5 wt pct Mo addition alone did not initiate recrystallization. Dynamic recrystallization substantially increased the creep elongation and produced a high ductile fracture topography in the present alloy system. A subgrain coalescence nucleation mechanism for dynamic recrystallization mechanism was operative during creep. The critical initiation strain requirements are also discussed.
- Research Organization:
- Structures and Materials Laboratory, National Aeronautical Establishment, National Research Council, Montreal Road, Ottawa
- OSTI ID:
- 6199344
- Journal Information:
- Metall. Trans., A; (United States), Vol. 15A:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CHROMIUM ALLOYS
CREEP
RECRYSTALLIZATION
IRON ALLOYS
MOLYBDENUM
METALLURGICAL EFFECTS
NICKEL ALLOYS
TITANIUM
DUCTILITY
FRACTURE MECHANICS
FRACTURE PROPERTIES
HIGH TEMPERATURE
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NUCLEATION
STRAINS
TERNARY ALLOY SYSTEMS
THERMODYNAMICS
TITANIUM ALLOYS
ALLOY SYSTEMS
ALLOYS
CRYSTAL STRUCTURE
ELEMENTS
MECHANICAL PROPERTIES
MECHANICS
METALS
TENSILE PROPERTIES
TRANSITION ELEMENTS
360103* - Metals & Alloys- Mechanical Properties
360102 - Metals & Alloys- Structure & Phase Studies
CHROMIUM ALLOYS
CREEP
RECRYSTALLIZATION
IRON ALLOYS
MOLYBDENUM
METALLURGICAL EFFECTS
NICKEL ALLOYS
TITANIUM
DUCTILITY
FRACTURE MECHANICS
FRACTURE PROPERTIES
HIGH TEMPERATURE
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NUCLEATION
STRAINS
TERNARY ALLOY SYSTEMS
THERMODYNAMICS
TITANIUM ALLOYS
ALLOY SYSTEMS
ALLOYS
CRYSTAL STRUCTURE
ELEMENTS
MECHANICAL PROPERTIES
MECHANICS
METALS
TENSILE PROPERTIES
TRANSITION ELEMENTS
360103* - Metals & Alloys- Mechanical Properties
360102 - Metals & Alloys- Structure & Phase Studies