Design of spectrally tailored fusion reactor materials experiments in the HFIR (High Flux Isotope Reactor) RB (removable beryllium) capsule irradiation facility
Design of four spectrally tailored capsules to irradiate magnetic fusion energy (MFE) materials specimens in the new High Flux Isotope Reactor (HFIR) removable beryllium (RB*) facility at temperatures of 60, 200, 330, and 400/sup 0/C, respectively, is described. These designs incorporate provisions for removal, examination, and reencapsulation of the MFE specimens at intermediate exposure levels en route to a target exposure level of 30 displacements per atom (dpa). With the exception of the 60/sup 0/C capsule, where the test specimens are in direct contact with the reactor cooling water, the specimen temperatures (monitored by 24 thermocouples) are controlled by varying the thermal conductance of a small gap region between the specimen holder and the containment tube. Hafnium shields are used to tailor the neutron spectrum to closely match the helium production-to-atom displacement ratio (14 appm/dpa) expected in a fusion reactor first wall. These MFE capsule irradiations will begin in early 1988.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 6135113
- Report Number(s):
- CONF-871036-8; ON: DE88000571
- Resource Relation:
- Conference: 3. international conference on fusion reactor materials, Karlsruhe, F.R. Germany, 4 Oct 1987; Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
IRRADIATION CAPSULES
DESIGN
THERMONUCLEAR REACTOR MATERIALS
MATERIALS TESTING
AUSTENITIC STEELS
FIRST WALL
MATERIALS TESTING REACTORS
NEUTRON FLUX
TEMPERATURE EFFECTS
THERMAL CONDUCTIVITY
ALLOYS
IRON ALLOYS
IRON BASE ALLOYS
IRRADIATION REACTORS
MATERIALS
PHYSICAL PROPERTIES
RADIATION FLUX
REACTORS
STEELS
TESTING
THERMODYNAMIC PROPERTIES
THERMONUCLEAR REACTOR WALLS
700209* - Fusion Power Plant Technology- Component Development & Materials Testing