试验研究了在焊条药皮中加入镁的脱硫作用，结果表明：药 皮中加入镁有明显的补充脱硫效果，尤其在低碱度（或低CaCO3）药皮中。其脱硫过程表 现为镁溶入铁水后脱硫
The effects of Mg mixed into the coating of elect rode on desulphidation have been studied by means of experiment. The results i ndicate that adding Mg into coating has an obvious effect on desulphidation, sp ecially at low basicity (or low content of CaCO3）. The desulphidation occurs at the welding pool after Mg dissolves in melting iron.
参考文献
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