Yuanjin He, Weizhong Yu, Jiajiong Xiong, et al. The study of microstructure changes in SmCo5 magnets from room temperature to 740℃ by positron annihilation[J]. Nuclear techniques, 1982, 05(6): 50-51.
Yuanjin He, Weizhong Yu, Jiajiong Xiong, et al. The study of microstructure changes in SmCo5 magnets from room temperature to 740℃ by positron annihilation[J]. Nuclear techniques, 1982, 05(6): 50-51.DOI:
The isochronal annealing process in sintered alloys SmCo
5
has been investigated by positron annihilation technique (PAT). It was found that the precipitation phenomena by G.P. zone formation may occur between 200℃ and 600℃
and the moving of the defects concerned with the metallurgical processes may take place at a temperature as low as about 50℃.
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references
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