抄録
The disintegration of low-iron high-carbon Fe-Mn was studied. The results obtained are as follows; (1) High-carbon Fe-Mn becomes less stable against water and moisture with decrease of Fe contents in Fe-Mn alloys. (2) High-carbon Fe-Mn of less than 5%Fe disintegrates in wet air, but in the case of higher iron content than 5% it is stable. (3) Fe high-carbon Fe-Mn of less than 10%Fe is unstable in water, but in the case of higher iron content than 10%, it is stable. (4) The disintegration is considered to be caused by a reaction of Mn3C in high-carbon Fe-Mn with water or moisture, and the reaction of the disintegration in wet air is given by the following formulae
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