鉄過飽和亜鉛浴からのFe－Zn問化合物の成長に及ぼすFeSiおよびFe3C添加の効果

概要

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The growth of delta 1 (FeZn10) and zeta (FeZn13) particles crystallized from an iron over-saturated zinc bath with and without an addition of FeSi or Fe3C was investigated by using an optical microscopy and calculating a particle size number (PSN). The PSN of delta 1 for the FeSi added bath was greater than that for the non-added bath. FeSi added to the bath decreased the time dependence of the PSN ; namely suppressed the growth of delta 1 and zeta particles. The PSN of delta 1 for Fe3C added bath was larger than that for the non-added bath, on the other hand the PSN of zeta for the Fe3C added bath was smaller than that for the non-added bath. The effect of Fe3C addition on the time dependence of the PSN was negligible in both cases of delta 1 and zeta. The possibility that silicon and carbon affect the reaction as FeSi or Fe3C was clarified.
長崎大学工学部,Faculty of Engineering, Nagasaki Universityの論文