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Casting Atmosphere Effects on the Precipitates, Magnetism, and Corrosion Resistance of Fe78Si9B13 Glassy Alloys |
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| Authors: | L. L. Meng X. Y. Li J. Pang L. Wang B. An L. J. Yin K. K. Song W. M. Wang |
| Affiliation: | 1. School of Mechanical, Electrical and Information Engineering, Shandong University at Weihai, Weihai, 264209, P.R. China 2. Qingdao Yunlu Energy Technology Company Limited, Qingdao, 266109, P.R. China 3. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jingshi Road, Jinan, 250061, P.R. China 4. IFW-Dresden, Institut für Complexe Materialien, Helmholtzstraβe 20, 01069, Dresden, Germany |
| Abstract: | The precipitates, magnetism, and corrosion resistance of Fe78Si9B13 glassy samples fabricated in vacuum and air atmospheres (labeled as VAC and AIR samples, respectively) were studied. The findings show that the fraction of the amorphous phase in VAC samples is lower than that in the AIR counterparts. The Fe phase in VAC samples grows preferentially along the 〈200〉 orientation. The distribution of magnetization M 4000 of VAC samples oriented parallel and orthogonal to the field (H // and H ⊥) at H = 4000 Oe is more scattered than AIR samples. The corrosion resistance of VAC samples is lower than AIR counterparts, which can be attributed to the minor alloying effect of oxygen and the passive effect of silicon atoms supplied from the amorphous phase. |
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