Preparation of cast-iron-based nanocrystalline alloy with Cu and Nb addition

作者: H.Y. Jung , M. Stoica , S. Yi , D.H. Kim , J. Eckert

DOI: 10.1016/J.INTERMET.2015.10.014

关键词: Cast ironPhase (matter)Amorphous metalMaterials scienceAlloyNanocrystalline alloyMetallurgyChemical engineeringGrowth rateCrystallization kineticsNucleation

摘要: Abstract The effect of minor Cu and Nb addition on glass-forming ability nanocrystallization behavior cast-iron-based bulk metallic glass was investigated. With simultaneous addition, the crystallization kinetics amorphous alloys adequately modified to have enlarged initial nucleation rate reduced growth primary α-Fe phase. However, due increased tendency form secondary Fe 3 C 2 P phase, with combined had a processing window for nanocrystallization. Also, decreased alloy. Thus, it revealed that classical strategy introducing is not suitable alternative facilitate glasses.

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