On the Effect of Heat Treatment in a Magnetic Field on Magnetic Properties of Iron-Aluminium Alloys
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概要
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When the specimens of iron-aluminium alloys were cooled in a magnetic field from high temperatures, the percent increase of initial permeability is generally not large, but that of maximum permeability is considerably large and it has a maximum at the concentration of 10.20 percent aluminium. The effect of heat treatment in a magnetic field is small for the concentration of more than 11.5 percent aluminium. When the quenched specimen of 10.20 percent aluminium was annealed again at various temperatures in a magnetic field and cooled in the field, the lowest effective temperature of heat treatment in a field becomes about 225〜250℃. This temperature is 100℃ lower than the usual lowest effective temperature for the specimen without quenching. Maximum permeability of the specimen which was quenched at first and heat treated at about 250℃ in a magnetic field reaches to the highest value of about 30,000.
- 1960-08-05
著者
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Sugihara M.
The Electrical Communication Laboratory, Nippon Telegraph and Telephone Public Corporation
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SUGIHARA Makoto
The Electrical Communication Laboratory, Nippon Telegraph and Telephone Public Corporation