REC and NdFe Magnetic Moment Irreversibility form Temperature Cycling,
CALIFORNIA UNIV BERKELEY LAWRENCE BERKELEY LAB
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Presented are the results of thermal cycling tests carried out on REC and NdFe and NdFe samples, to determine the irreversible losses in room temperature open circuit magnetic moment. A stabilization prescription was developed for a REC alloy that will allow two 4 day175 C temperature cycles, which simulate two UHV bakeouts, with only a 0.35 average loss and a 0.65 loss variation in the room temperature open circuit magnetic moment after stabilization.