Effects of Plastic Deformation and Heat Treatment on Microstructure and Properties of High Boron Cast Steel
Source abstract
Abstract
High boron cast steel is brittle owing to the network of boride which limits its applications. In order to improve its toughness, the high boron cast steel was treated with combined processes of plastic deformation and heat treatment as will be discussed in this article. The prepared samples were analyzed using scanning electron microscope (SEM), transmission electron microscopy (TEM), and x-ray diffraction (XRD). The results show that plastic deformation breaks up boride network and uniformly distributes broken boride particles in the matrix. During subsequent heat treatment, spheroidized borides are obtained. Compared with undeformed samples after heat treatment, the hardness of the deformed samples after heat treatment increases marginally (from 51.4 to 54.7 HRC) while the toughness increases considerably (from 5 to 107 J/cm2). Fracture surface changes from brittle morphology to dimple morphology.
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Research context
OpenAlex topics: Metal Alloys Wear and Properties · Microstructure and Mechanical Properties of Steels · High-Velocity Impact and Material Behavior
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References (22)
Show source-provided references
1. K.D. Lakeland, E. Graham, and A. Heron, Mechanical Properties and Microstructures of a Series of FCB Alloys, The University of Queensland, Brisbane, Australia, 1992, p 1–13
2. H.G. FU, A study of Abrasion Resistant Cast Fe-B-C Alloy, Acta Metall. Sin., 2006, 42(5), p 545–548 (in Chinese)
3. C.Q. Guo and S.Z. Gao, New Fe-Base Wear-Resistant Material FCB Alloy, Foundary, 2004, 53(10), p 761–764 (in Chinese)
4. T. Okita, W.G. Wolfer, F.A. Garner, and N. Sekimura, Influence of Boron on Void Swelling in Model Austenitic Steels, J. Nucl. Mater., 2004, 329–333, p 1013–101610.1016/j.jnucmat.2004.04.126 ↗
5. Y.E. Goldshtein and G.V. Mizin, Some Peculiarities of the Structure of High Boron Steels, Met. Sci. Heat Treat., 1989, 30(7), p 479–48410.1007/BF00777432 ↗
6. Z.L. Liu, X. Chen, Y.X. Li, and K.H. Hu, Effect of Chromium on Microstructure and Properties of High Boron White Cast Iron, Metall. Mater. Trans. A, 2008, 39(3), p 636–64110.1007/s11661-007-9385-1 ↗
7. C.Q. Guo, C.D. Wang, X.P. Liu, and P.M. Kelly, Effect of Variable Heat Treatment Modes on Microstructures of Fe-Cr-B Cast Iron Alloy, China Foundry, 2008, 5(1), p 28–31 (in Chinese)
8. X.L. Feng, Z.Q. Jiang, and H.G. Fu, Effect of Heat Treatment on Microstructure and Mechanical Properties of Cast Fe-B-C Alloy, J. Aeronaut. Mater., 2007, 27(5), p 26–29 (in Chinese)
9. H.G. Fu, Q. Xiao, J.C. Kuang, Z.Q. Jiang, and J.D. Xing, Effect of Rare Earth and Titanium Additions on the Microstructures and Properties of Low Carbon Fe-B Cast Steel, Mater. Sci. Eng. A Struct., 2007, 466(1–2), p 160–165
10. Z.L. Liu, Y.X. Li, X. Chen, and K.H. Hu, Effect of RE-Mg on High Boron Iron-Base Alloy, Foundary, 2007, 56(04), p 400–404 (in Chinese)
11. J.C. Kuang, H.G. Fu, and J.D. Xing, Effect of RE-N on Solidification Microstructure of Fe-B-Ti Alloy, J. Rare Earth, 2006, 24, p 238–24110.1016/S1002-0721(06)60101-4 ↗
12. C.Q. Guo, C.D. Wang, J. Cheng, and M.M. Gao, Investigation of Microstructure and Mechanical Properties of Fe-Cr-B Alloys Modified with Cerium, Rare Earth, 2009, 30(4), p 95–101 (in Chinese)
13. H. Li, Y.M. Wang, and C.F. Burdett, Hot Deformation Behaviour and Ledeburite Refinement Mechanism for Hypoeutectoid Low Alloy White Cast Irons, Mater. Sci. Technol., 1991, 7(7), p 660–66410.1179/mst.1991.7.7.660 ↗
14. A.K. Chakrabarti, S. Sarkhel, and S. Ghosh, Hot Forging of White Cast Iron, Trans. Indian Inst. Met., 1980, 33(6), p 467–472
15. I.N. Bogachev and T.S. Vetrova, Plastic Deformation of White Cast Iron, Met. Sci. Heat Treat., 1973, 15(4), p 58–6010.1007/BF00660333 ↗
16. Q. Ma, B.C. Liu, and Z.C. Wang, Breakup of Eutectic Carbide Network of White Cast Irons at High Temperatures, J. Mater. Sci., 1995, 30(13), p 3383–338610.1007/BF00349883 ↗
17. S.Q. Wang, Q.C. Jiang, X.H. Cui, and Z.M. He, Influence of Trace Elements and Heat Treatment on Carbide Morphology and Properties of CD-2 Steel, Mater. Sci. Eng. A Struct., 1999, 264(1–2), p 172–17610.1016/S0921-5093(98)01107-1 ↗
18. Benxi Iron & Steel Co, Boron Steel, Metallurgical Industry Press, Beijing, 1977, p 2–10
19. Q. Ma, In Situ Observations of the Dissolution of Carbides in an Fe-Cr-C Alloy, Scripta Mater., 1999, 41(12), p 1301–130310.1016/S1359-6462(99)00305-X ↗
20. D.A. Porter and K.E. Easterling, Phase Transformations in Metals and Alloys, Vol 2, Chapman & Hall, 1992, p 46–4810.1007/978-1-4899-3051-4 ↗
21. P.D. Zavattieri and H.D. Espinosa, Grain Level Analysis of Crack Initiation and Propagation in Brittle Materials, Acta Mater., 2001, 49(20), p 4291–431110.1016/S1359-6454(01)00292-0 ↗
22. R.H. Frost, T. Majewski, and G. Krauss, Impact Fracture Behavior of High Chromium-Molybdenum White Cast Irons, AFS Trans., 1986, 94(5), p 297–322