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Effect of molybdenum addition on mechanical properties of oriented bulk Fe2B crystal

Published online by Cambridge University Press:  14 February 2017

Yongxin Jian
Affiliation:
State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Zhifu Huang*
Affiliation:
State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Jiandong Xing
Affiliation:
State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Xingzhi Guo
Affiliation:
State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Kai Jiang
Affiliation:
State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
*
a) Address all correspondence to this author. e-mail: hzf@mail.xjtu.edu.cn
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Abstract

Effects of Mo addition on the microstructure, mechanical properties, and abrasive wear properties of an oriented bulk Fe2B crystal have been investigated systematically in the present paper. Five groups of pure Fe2B samples with different Mo contents have been examined by optical microscope, X-ray diffraction, scanning electron microscope integrated with energy disperse spectroscopy, microhardness tester, and three-point bending testing of fracture toughness. The results indicate that Mo tends to segregate on the grain boundaries after doping; with increasing Mo addition, interplanar spacing of the (002) crystal plane of Fe2B decreases firstly and then increases slightly while that of (200) increases gradually; microhardness on the transversal section changes little while that on the longitudinal section increases firstly and then decreases [possessing the opposite trend to interplanar spacing of (002)]; fracture toughness and wear resistance of both transversal and longitudinal samples can be improved to some extent with Mo addition less than 2.0 wt%. In conclusion, appropriate Mo addition plays a positive role in the improvement of mechanical properties of oriented bulk Fe2B.

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Articles
Copyright
Copyright © Materials Research Society 2017 

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Footnotes

Contributing Editor: Jürgen Eckert

References

REFERENCES

Yi, D.W., Xing, J.D., Fu, H.G., Zhang, Z., Zhang, J.Y., and Zhang, J.M.: Investigations on microstructures and three-Body abrasive wear behaviors of Fe–B cast alloy containing cerium. Tribol. Lett. 58, 111 (2015).Google Scholar
Zhang, J.J., Wei, X.W., Wang, J., and Tang, Q.F.: Research progress of wear resistant Fe–B alloy. Foundry 63, 669674 (2014).Google Scholar
Jian, Y.X., Huang, Z.F., Xing, J.D., Liu, X.T., Sun, L., Zheng, B.C., and Wang, Y.: Investigation on two-body abrasive wear behavior and mechanism of Fe–3.0 wt% B cast alloy with different chromium content. Wear 362, 6877 (2016).Google Scholar
Ma, S.Q., Xing, J.D., Fu, H.G., Yi, D.W., Zhang, J.J., Li, Y.F., Zhang, Z.Y., Zhu, B.J., and Ma, S.C.: Interfacial morphology and corrosion resistance of Fe–B cast steel containing chromium and nickel in liquid zinc. Corros. Sci. 53, 28262834 (2011).Google Scholar
Wang, Y., Xing, J.D., Ma, S.Q., Liu, G.Z., He, Y.L., Yang, D.X., and Bai, Y.P.: Effect of Fe2B orientation on erosion–corrosion behavior of Fe–3.5 wt% B steel in flowing zinc. Corros. Sci. 98, 240248 (2015).Google Scholar
Li, M.S., Fu, X.L., Xu, W.D., Zhang, R.L., and Yu, R.H.: Valence electron structure of Fe2B phase and its eigen-brittleness. Acta Metall. Sin. 31, 201208 (1995).Google Scholar
Üçisik, A.H. and Bindal, C.: Fracture toughness of boride formed on low-alloy steels. Surf. Coat. Technol. 94, 561565 (1997).Google Scholar
Sen, U., Sen, S., Koksal, S., and Yilmaz, F.: Fracture toughness of borides formed on boronized ductile iron. Mater. Des. 26, 175179 (2005).Google Scholar
Jian, Y.X., Huang, Z.F., Xing, J.D., and Wang, B.Y.: Effects of chromium addition on fracture toughness and hardness of oriented bulk Fe2B crystals. Mater. Charact. 110, 138144 (2015).CrossRefGoogle Scholar
Ma, S.Q., Huang, Z.F., Xing, J.D., Liu, G.Z., He, Y.L., Fu, H.G., Wang, Y., Li, Y.F., and Yi, D.W.: Effect of crystal orientation on microstructure and properties of bulk Fe2B intermetallic. J. Mater. Res. 30, 257265 (2015).CrossRefGoogle Scholar
Fu, H.G., Xiao, Q., Kuang, J.C., Jiang, Z.Q., and Xing, J.D.: Effect of rare earth and titanium additions on the microstructures and properties of low carbon Fe–B cast steel. Mater. Sci. Eng., A 466, 160165 (2007).Google Scholar
Liu, Z.L., Chen, X., Li, Y.X., and Hu, K.H.: Effect of chromium on microstructure and properties of high boron white cast iron. Metall. Mater. Trans. A 39, 636641 (2008).CrossRefGoogle Scholar
Ma, S.Q., Xing, J.D., Liu, G.F., Yi, D.W., Fu, H.G., Zhang, J.J., and Li, Y.F.: Effect of chromium concentration on microstructure and properties of Fe–3.5 B alloy. Mater. Sci. Eng., A 527, 68006808 (2010).CrossRefGoogle Scholar
Yi, D.W., Xing, J.D., Zhang, Z.Y., Fu, H.G., and Yang, C.Y.: Effect of titanium and nitrogen additions on the microstructures and three-body abrasive wear behaviors of Fe–B cast alloys. Tribol. Lett. 54, 107117 (2014).Google Scholar
Huang, Z.F., Xing, J.D., and Lv, L.L.: Effect of tungsten addition on the toughness and hardness of Fe2B in wear-resistant Fe–B–C cast alloy. Mater. Charact. 75, 6368 (2013).Google Scholar
Huang, Z.F., Xing, J.D., and Guo, C.: Improving fracture toughness and hardness of Fe2B in high boron white cast iron by chromium addition. Mater. Des. 31, 30843089 (2010).Google Scholar
Jian, Y.X., Huang, Z.F., Xing, J.D., Guo, X.Z., Wang, Y., and Lv, Z.: Effects of Mn addition on the two-body abrasive wear behavior of Fe–3.0 wt% B alloy. Tribol. Int. 103, 243251 (2016).Google Scholar
Jian, Y.X., Huang, Z.F., Xing, J.D., Zheng, B.C., Sun, L., Liu, Y.Z., and Liu, Y.M.: Effect of improving Fe2B toughness by chromium addition on the two-body abrasive wear behavior of Fe–3.0 wt% B cast alloy. Tribol. Int. 101, 331339 (2016).Google Scholar
Ma, S.Q., Xing, J.D., He, Y.L., Fu, H.G., Li, Y.F., and Liu, G.Z.: Effect of orientation and lamellar spacing of Fe2B on interfaces and corrosion behavior of Fe–B alloy in hot-dip galvanization. Acta Mater. 115, 392402 (2016).Google Scholar
Lv, Z., Fu, H.G., Xing, J.D., Huang, Z.F., Ma, S.Q., and Hu, Y.: Influence of boron contents on oxidation behavior and the diffusion mechanism of Fe–B based alloys at 1073 K in air. Corros. Sci. 108, 185193 (2016).Google Scholar
Xiao, B., Xing, J.D., Ding, S.F., and Su, W.: Stability, electronic and mechanical properties of Fe2B. Physica B 403, 17231730 (2008).Google Scholar
Xiao, B.: Ab Initio Calculations on Chemical Stability, Electronic Structure and Mechanical Properties of Carbide and Boride in Cast Iron Chemical Stability, Electronic Structure and Mechanical Properties. Master's dissertation (Xi’an Jiaotong University, Xian, 2011); pp. 1416.Google Scholar
Baker, H.: ASM Handbook, Volume 3: Alloy Phase Diagrams (ASM International, Materials Park, 1992), pp. 4407350002.Google Scholar
Casellas, D., Caro, J., Molas, S., Prado, J.M., and Valls, I.: Fracture toughness of carbides in tool steels evaluated by nanoindentation. Acta Mater. 55, 42774286 (2007).Google Scholar
Standard A. E384: Standard Test Method for Microindentation Hardness of Materials (ASTM International, West Conshohocken, PA, 2000).Google Scholar
Zhang, T.H., Feng, Y.H., Yang, R., and Jiang, P.: A method to determine fracture toughness using cube-corner indentation. Scr. Mater. 62, 199201 (2010).Google Scholar
Campos, I., Rosas, R., Figueroa, U., VillaVelázquez, C., Meneses, A., and Guevara, A.: Fracture toughness evaluation using Palmqvist crack models on AISI 1045 borided steels. Mater. Sci. Eng., A 488, 562568 (2008).Google Scholar
Shi, D.K. and Jin, Z.H.: Mechanical Properties of Materials (Xi’an Jiaotong University Press, Xi’an, 1997); pp. 108109.Google Scholar
Huang, Z.F., Ma, S.Q., Xing, J.D., and Wang, B.Y.: Bulk Fe2B crystal fabricated by mechanical ball milling and plasma activated sintering. J. Alloys Compd. 582, 196200 (2014).Google Scholar
Zheng, B.C., Huang, Z.F., Xing, J.D., and Xiao, Y.Y.: Two-body abrasion resistance of cementite containing different chromium concentrations. J. Mater. Res. 31, 655662 (2016).Google Scholar
Ma, S.Q., Xing, J.D., Fu, H.G., He, Y.L., Bai, Y., Li, Y.F., and Bai, Y.P.: Interface characteristics and corrosion behaviour of oriented bulk Fe2B alloy in liquid zinc. Corros. Sci. 78, 7180 (2014).Google Scholar
Sun, M.C.: Mechanical Properties of Metal (Harbin Institute of Technology Press, Harbin, 2005); pp. 7384.Google Scholar
Richardson, R.C.D.: The wear of metals by hard abrasives. Wear 10, 291309 (1967).Google Scholar