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Doppler broadening posivon annihilation spctroswpy and x-ray diffraction have been used to investigate the effects of pulsed magnetic fields on the defect sImchue of hewily mld worked nickel samples. The experimental variables under investigation include tempmture, crystallographic lexhlre, magnetic field strength and frequency. The key results can be summarized as follows: (i) the extent of the magnetically induced recovery, although small compared with thal of thermal recovery, is significant: CU) the pulsed magnetic field appears to have a greater effect on dislocation density than on pointdefed concenhation, and (iii) lexmre and temperamre are important experimental variables (the effects of pulsing frequency and field strength could no1 be separated due to experimental limitations).

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