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Acta Metall Sin  1998, Vol. 34 Issue (11): 1223-1226    DOI:
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THE INFLUENCE OF SEVERAL FACTORS ON THE PREPARATION OF NITRIDE IRON MAGNETIC FLUID
LIU Silin;YU Yingyi;TENG Ronghou;XU Jiaoren (Central Iron and Steel Research Institute; Beijing 100081)
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LIU Silin;YU Yingyi;TENG Ronghou;XU Jiaoren (Central Iron and Steel Research Institute; Beijing 100081). THE INFLUENCE OF SEVERAL FACTORS ON THE PREPARATION OF NITRIDE IRON MAGNETIC FLUID. Acta Metall Sin, 1998, 34(11): 1223-1226.

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Abstract  The influences of Fe(CO)5 thermal decomposition temperature (iron nitriding temperature), the flow of NH3 and surface activated agent on the preparation of nitride iron magnetic fluid were discussed. The result shows that the appropriate Fe(CO)5 theraml decomposition temperature is 180 to 210℃. Excessive NH3 and surface activated agent suitable to nanometer iron nitride magnetic particle and carrier liquid are necessary to preparing nitride iron magnetic with favorable property.
Key words:  nitride iron      magnetic fluid      nano particle     
Received:  18 November 1998     
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