Cyclic deformation of tungsten single crystals
Journal Article
·
· Scr. Metall.; (United States)
Because tungsten has a very high melting temperature (T/sub m/ approx. =3700 K), deformation experiments performed at room temperature are well into the thermal regime of reduced screw dislocation mobility without the added experimental difficulty of high strain rates. In this paper the authors report the cyclic stress-strain behavior of tungsten monocrystals of a center-triangle orientation and illustrate the behavior in relation to results for other bcc metals. Additionally, the relationship between the temperature and strain rate dependences of monotonic and cyclic deformation of bcc metals is discussed.
- Research Organization:
- Dept. of Materials Science and Engineering, Univ. of Michigan, Ann Arbor, MI 48109
- OSTI ID:
- 6298522
- Journal Information:
- Scr. Metall.; (United States), Journal Name: Scr. Metall.; (United States) Vol. 20:10; ISSN SCRMB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
AMBIENT TEMPERATURE
BCC LATTICES
CRYSTAL DEFECTS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
CUBIC LATTICES
DEFORMATION
DISLOCATIONS
ELEMENTS
GRAIN ORIENTATION
LINE DEFECTS
MATERIALS TESTING
MELTING POINTS
METALS
MICROSTRUCTURE
MONOCRYSTALS
ORIENTATION
PHYSICAL PROPERTIES
RESEARCH PROGRAMS
SCREW DISLOCATIONS
STRAIN RATE
STRESSES
TEMPERATURE DEPENDENCE
TESTING
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
TUNGSTEN
VERY HIGH TEMPERATURE
360103* -- Metals & Alloys-- Mechanical Properties
AMBIENT TEMPERATURE
BCC LATTICES
CRYSTAL DEFECTS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
CUBIC LATTICES
DEFORMATION
DISLOCATIONS
ELEMENTS
GRAIN ORIENTATION
LINE DEFECTS
MATERIALS TESTING
MELTING POINTS
METALS
MICROSTRUCTURE
MONOCRYSTALS
ORIENTATION
PHYSICAL PROPERTIES
RESEARCH PROGRAMS
SCREW DISLOCATIONS
STRAIN RATE
STRESSES
TEMPERATURE DEPENDENCE
TESTING
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
TUNGSTEN
VERY HIGH TEMPERATURE