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Effects of precipitated phase and order degree on bending properties of an Fe-6.5 wt%Si alloy with columnar grains

Published online by Cambridge University Press:  04 July 2011

Huadong Fu ,
Qiang Yang ,
Zhihao Zhang  and
Jianxin Xie
Huadong Fu
Affiliation:
Advanced Materials and Technology Institute, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
Qiang Yang
Affiliation:
Advanced Materials and Technology Institute, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
Zhihao Zhang
Affiliation:
Advanced Materials and Technology Institute, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China; and State Key Lab for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
Jianxin Xie*
Affiliation:
Advanced Materials and Technology Institute, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China; and State Key Lab for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Effects of the precipitated phase and the ordered phase domain of an Fe-6.5 wt%Si alloy before and after heat treatment on the bending properties were investigated in this study. The results showed that original needle-like phases were spheroidized after the heat treatment at 900 °C for 1 h followed by slow or rapid cooling. Compared with the directional solidified sample, the slow cooling sample had a higher order degree, whereas the rapid cooling samples had a lower order degree. After rapid cooling heat treatment, the fracture deflection of the sample was increased by 73.8%. Fracture analysis showed that transition from quasi-cleavage fracture to tear pit-like fracture took place in the rapid cooling sample. The bending properties of the Fe-6.5 wt%Si alloy were improved mainly due to the changes in morphology and amount of the precipitated phase as well as the reduction of order degree.

Keywords

Zone meltingTransmission electron microscopySecond phases
Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 14 , 28 July 2011 , pp. 1711 - 1718
Copyright
Copyright © Materials Research Society 2011

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References

REFERENCES

1.Yuan, W.J., Li, J.G., Shen, Q., and Zhang, L.M.: A study on magnetic properties of high Si steel obtained through powder rolling processing. J. Magn. Magn. Mater. 320, 76 (2008).CrossRefGoogle Scholar
2.Phway, T.P.P. and Moses, A.J.: Magnetostriction trend of non-oriented 6.5%Si-Fe. J. Magn. Magn. Mater. 320, e611 (2008).CrossRefGoogle Scholar
3.Zbroszczyk, J., Ciurzynska, W.H., Olszewski, J., Hasiak, M., Tanaka, Y., and Enokizono, M.: Microstructure and some magnetic properties of high-silicon Fe-Si sheets. J. Magn. Magn. Mater. 160, 141 (1996).CrossRefGoogle Scholar
4.Komatsubara, M., Sadahiro, K., Kondo, O., Takamiya, T., and Honda, A.: Newly developed electrical steel for high-frequency use. J. Magn. Magn. Mater. 242–245, 212 (2002).CrossRefGoogle Scholar
5.Hirano, T.: Improvement of room temperature ductility of stoichiometric Ni3Al by unidirectional solidification. Acta Metall. Mater. 38, 2667 (1990).CrossRefGoogle Scholar
6.Chen, J., Zheng, Q., Li, Y.A., Yu, Y., Tang, Y.J., and Hu, Z.Q.: The effect of directional solidification parameter on the structure and property of Ni50Al20Fe30. Scr. Metall. Mater. 33, 675 (1995).CrossRefGoogle Scholar
7.Drar, H. and Svensson, I.L.: Improvement of tensile properties of Al-Si alloys through directional solidification. Mater. Lett. 61, 392 (2007).CrossRefGoogle Scholar
8.Masahashi, N.: Physical and mechanical properties in Ni3Al with and without boron. Mater. Sci. Eng., A 223, 42 (1997).CrossRefGoogle Scholar
9.Cheng, T.T.: The mechanism of grain refinement in TiAl alloys by boron addition—an alternative hypothesis. Intermetallics 8, 29 (2000).CrossRefGoogle Scholar
10.Kim, K.N., Pan, L.M., Lin, J.P., Wang, Y.L., Lin, Z., and Chen, G.L.: The effect of boron content on processing for Fe-6.5wt%Si electrical steel sheets. J. Magn. Magn. Mater. 277, 331 (2004).CrossRefGoogle Scholar
11.Viala, B., Degauque, J., Fagot, M., Baricco, M., Ferrara, E., and Fiorillo, F.: Study of the brittle behaviour of annealed Fe-6.5wt%Si ribbons produced by planar flow casting. Mater. Sci. Eng., A 212, 62 (1996).CrossRefGoogle Scholar
12.Narita, K. and Enokizono, M.: Effect of nickel and manganese addition on ductility and magnetic properties of 6.5% silicon-iron alloy. IEEE Trans. Magn. 14, 258 (1978).CrossRefGoogle Scholar
13.Haiji, H., Okada, K., Hiratani, T., Abe, M., and Ninomiya, M.: Magnetic properties and workability of 6.5% Si steel sheet. J. Magn. Magn. Mater. 160, 109 (1996).CrossRefGoogle Scholar
14.Swann, P.R., Granas, L., and Lehtinen, B.: The B2 and DO3 ordering reactions in iron-silicon alloys in the vicinity of the Curie temperature. Meat Sci. 9, 90 (1975).CrossRefGoogle Scholar
15.Shin, J.S., Bae, J.S., Kim, H.J., Lee, H.M., Lee, T.D., Lavernia, E.J., and Lee, Z.H.: Ordering-disordering phenomena and micro-hardness characteristics of B2 phase in Fe-(5-6.5%)Si alloys. Mater. Sci. Eng., A 407, 282 (2005).CrossRefGoogle Scholar
16.Fu, H.D., Zhang, Z.H., Yang, Q., and Xie, J.X.: Morphology of the boron-rich phase along columnar grain boundary and its effect on the compression crack of Fe-6.5Si-0.05B alloy. Mater. Sci. Eng., A 528, 1425 (2011).CrossRefGoogle Scholar
17.Haggstrom, L., Granas, L., Wappling, R., and Devanarayanan, S.: Mossbauer study of ordering in FeSi alloys. Phys. Scr. 7, 125 (1973).CrossRefGoogle Scholar
18.Ourmazd, A. and Bean, J.C.: Observation of order-disorder transitions in strained-semiconductor systems. Phys. Rev. Lett. 55, 765 (1985).CrossRefGoogle ScholarPubMed
19.Nxumalo, S. and Lang, C.I.: Dislocations in Pt8V ordered alloys. J. Phys. Conf. Ser. 126, 012014 (2008).CrossRefGoogle Scholar
20.Yasuda, H.Y. and Umakoshi, Y.: Pseudoelastic behaviour of Fe3Al single crystals with D03 structure. Intermetallics 18, 1273 (2010).CrossRefGoogle Scholar
21.Liu, C.T., White, C.L., and Horton, J.A.: Effect of boron on grain-boundaries in Ni3Al. Acta Metall. 33, 213 (1985).CrossRefGoogle Scholar
22.Crimp, M.A. and Vedula, K.: Effect of boron on the tensile properties of B2 FeAl. Mater. Sci. Eng. 78, 193 (1986).CrossRefGoogle Scholar
23.Xu, Y. and Schulson, E.M.: Strength and ductility of Ni3Ga with and without boron. Acta Metall. Mater. 43, 2121 (1995).CrossRefGoogle Scholar
24.Liu, C.T., George, E.P., and Oliver, W.C.: Grain-boundary fracture and boron effect in Ni3Si alloy. Intermetallics 4, 77 (1996).CrossRefGoogle Scholar
25.Zhang, Z.W., Chen, G., Bei, H.B., Li, F., Ye, F., Chen, G.L., and Liu, C.T.: Directional recrystallization and microstructures of an Fe-6.5wt%Si alloy. J. Mater. Res. 24, 2654 (2009).CrossRefGoogle Scholar
26.Wang, M.X., Liu, Z.Y., Weng, Y.G., Song, T.F., Huo, Y.P., and Xie, J.P.: Fatigue crack growth of electrolytic aluminum-silicon-titanium alloy. Mater. Mech. Eng. 27, 47 (2003).Google Scholar