Selection and testing of high current contact materials for tokamak devices
Conference
·
· Nucl. Technol./Fusion; (United States)
OSTI ID:6184182
Materials for potential use in tokamak first wall high current connectors were selected and tested under conditions that might be encountered in tokamak devices. Disk-shaped specimens of promising metal mixtures were subjected to current densities approaching 23 kA/cm/sup 2/ (150 kA/in/sup 2/) in 8 ms pulses, closing pressures ranging from .07 to 2.1 MPa (10 to 300 psi), and a vacuum of 1.3 X 10/sup -1/ Pa (10/sup -3/ Torr). Contact welding occurred at moderate to low pressure and moderate currents. The resulting welds were very weak, failing at 18-31 N (4-7 lb) in shear.
- Research Organization:
- McDonnell Douglas Astronautics Company, St. Louis Div., P.O. Box 516, St. Louis, MO 63166
- OSTI ID:
- 6184182
- Report Number(s):
- CONF-830406-
- Conference Information:
- Journal Name: Nucl. Technol./Fusion; (United States) Journal Volume: 4:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
CLOSED PLASMA DEVICES
CONDUCTOR DEVICES
CONNECTORS
CURRENT DENSITY
ELECTRIC CONTACTS
ELECTRICAL EQUIPMENT
ELEMENTS
EQUIPMENT
FABRICATION
JOINING
MATERIALS
MATERIALS TESTING
MEDIUM PRESSURE
MEDIUM VACUUM
METALS
SHEAR
TESTING
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTOR MATERIALS
TOKAMAK DEVICES
WELDING
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
CLOSED PLASMA DEVICES
CONDUCTOR DEVICES
CONNECTORS
CURRENT DENSITY
ELECTRIC CONTACTS
ELECTRICAL EQUIPMENT
ELEMENTS
EQUIPMENT
FABRICATION
JOINING
MATERIALS
MATERIALS TESTING
MEDIUM PRESSURE
MEDIUM VACUUM
METALS
SHEAR
TESTING
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTOR MATERIALS
TOKAMAK DEVICES
WELDING