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粉化原因是空气中水分沿硅铁裂坟渗透后,与合金中的磷化物相互反应而引起粉化。多晶转化不是硅铁粉化的“促进剂”。含Mn1O%的45%和65%硅铁一般含P均高达
The reason for the pulverization is that the infiltration of moisture in the air along the fission of the ferrosilicon causes the reaction with the phosphides in the alloy to cause pulverization. Polymorph conversion is not ferrosiliconized “accelerator”. 45% with Mn1O% and 65% Ferrosilicon with P are generally up