RADIATION EFFECTS ON THE ANISOTROPY AND MAGNETOSTRICTION OF SINGLE CRYSTALS OF SEVERAL SOFT MAGNETIC MATERIALS INCLUDING Ni, Fe, Fe*SUB 3/O*SUB 4/, AND ALLOYS OF Fe, SI-Fe, Al-FE, Co-Fe, AND Mo-Ni-Fe

Journal Article · Wed Apr 01 00:00:00 EST 1959 · Journal of Applied Physics (U.S.)

DOI:https://doi.org/10.1063/1.2185936· OSTI ID:4256639

Hall, R C; Byrnes, W S; Crawford, R G

Single crystals of iron, nickel, nickel- iron, siliconiron, aluminum - iron, cobalt- iron, cobalt- nickel, molybdenum -- nickel -- iron, molybdenum - aluminum iron, and nickel-cobalt-iron alloys, and magnetite were tested for anisotropy and magnetostriction before and after irradiation in a nuclear pile. The dosage was 1.7 x l0/sup 18/ total neutrons per square centimeter at about 50 C. The anisotropy of irons nickel, silicon- iron alloys, and low-aluminum iron alloys did not change as a result of irradiation. Crystals in order-disorder systenis including nickel- iron, cobalt-iron, and highaluminum iron alloys showed variations in anisotropy often corresponding to a decrease in order. The irradiation did change the saturation magnetostriction in the STA100! and STA111! crystallographic directions in many of the single crystals. Frequently these variations could be attributed to a change in the state of order. Howevers for some of the alloys, notably the highaluminum iron crystals, an increase in order would be required to explain the magnetostriction data while a decrease in order would be required for the anisotropy data. Consequentlys a mechanism in addition to changes in the degree of order must alter magnetic properties of soft magnetic materials as a result of neutron bombardment. (auth)

• Research Organization: Westinghouse Electric Corp., East Pittsburgh, Penna.
• Sponsoring Organization: USDOE
• NSA Number: NSA-13-013983
• OSTI ID: 4256639
• Journal Information: Journal of Applied Physics (U.S.), Vol. Vol: 30, Suppl. to No. 4; Other Information: Orig. Receipt Date: 31-DEC-59
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

RADIATION EFFECTS ON MATERIALS
ALUMINUM ALLOYS
ANISOTROPY
COBALT ALLOYS
DEFORMATION
FAST NEUTRONS
IRON
IRON ALLOYS
IRON OXIDES
MAGNETIC FIELDS
MAGNETIC MATERIALS
MAGNETITE
MAGNETOSTRICTION
MOLYBDENUM ALLOYS
MONOCRYSTALS
NICKEL
NICKEL ALLOYS
RADIATION DOSES
RADIATION EFFECTS
REACTORS
SILICATES
SPINELS