Dimensional stability, optical and elastic properties of MgAl{sub 2}O{sub 4} spinel irradiated in FFTF to very high exposures

Conference · Fri Oct 01 00:00:00 EDT 1993

OSTI ID:10103532

Garner, F A; Hollenberg, G W; Ryan, J L ^[1]; Li, Z ^[2]; Black, C A; Bradt, R C ^[3]

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1. Pacific Northwest Lab., Richland, WA (United States)
2. Argonne National Lab., IL (United States)
3. Nevada Univ., Reno, NV (United States)

Stoichiometric MgAl{sub 2}O{sub 4} spinel specimens irradiated in FFTF-MOTA at temperatures between 385 and 750C to fluences ranging from 2.2 to 24.9 {times} 10{sup 22}n cm{sup {minus}2} (E>0.1 MeV) darken significantly, but do not develop any significant loss in weight or change in dimensions. Similar behavior was observed in both single crystal and fully dense polycrystalline specimens. Measurements of elastic constants by an ultrasonic technique show that no measurable changes occur as a result of the irradiation. These and other results confirm the stability of this material for fusion application as an electrical insulator.

• Research Organization: Argonne National Lab., IL (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 10103532
• Report Number(s): ANL/MSD/CP-79815; CONF-9310213-1; ON: DE94002201
• Resource Relation: Conference: 6. international conference on fusion reactor materials,Stresa (Italy),27 Oct - 1 Nov 1993; Other Information: PBD: Oct 1993
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
SPINELS
PHYSICAL RADIATION EFFECTS
MAGNESIUM COMPOUNDS
ALUMINATES
COLORATION
FAST NEUTRONS
FFTF REACTOR
POST-IRRADIATION EXAMINATION
ELASTICITY
ELECTRICAL INSULATORS
THERMONUCLEAR REACTOR MATERIALS
360605
700480
RADIATION EFFECTS
COMPONENT DEVELOPMENT
MATERIALS STUDIES