Influence of Rare Earth Metals on Carburizing Kinetics of 21NiCrMo2 Steel

Abstract:

The influence of rare-earth metals adsorbed in the surface of the metallic material subject to thermochemical processing as well as of those pre-added in the material matrix on the kinetics of layers growth is presented in the technical literature. It is generally concluded that the presence of rare earths is accelerating the kinetics of layer growth.

• Periodical: Advanced Materials Research (Volume 1114)
• Pages: 206-213
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1114.206
• Online since: July 2015
• Authors: Daniela Dragomir, Mihai Cojocaru, Leontin Druga, Zoltán Kolozsváry, Andrei Berbecaru
• Keywords: Carburizing Kinetics, Microhardness, Microstructure, Rare Earth Metals

References

[1] M.F. Yan, Study on adsorption and transport of carbon in steel during gas carburizing with rare-earth addition, Materials Chemistry and Physics 70 (2001) 242-244.

DOI: 10.1016/s0254-0584(00)00498-3

[2] M.F. Yan, Z.R. Liu and T. Bell, Effect of rare earths on diffusion coefficient and transfer coefficient of carbon during carburising, Journal of Rare Earths 19 2 (2001)122-124.

[3] M.F. Yan and Z.R. Liu, Study on microstructure and microhardness in surface layer of 20CrMnTi steel carburised at 880°C with and without RE, Materials Chemistry and Physics, 72 (2001) 97-100.

DOI: 10.1016/s0254-0584(01)00321-2

[4] M.F. Yan, W. Pan, T. Bell and Z.R. Liu, The Effect of rare earth catalyst on carburising kinetics in a sealed quench furnace with endothermic atmosphere, Applied Surface Science, 173 (2001) 91-94.

DOI: 10.1016/s0169-4332(00)00889-8

[5] Z.X. Yuan, Accelerating effect of rare earth in steel on its surface-carburizing process, Journal of Rare Earths, 17 1 (1999) 49-52.

[6] Z.X. Yuan, Z.S. Yu, P. Tan, S.H. Song, Effect of rare earths on the carburization of steel, Materials Science and Engineering A 267 (1999)162-166.

DOI: 10.1016/s0921-5093(99)00061-1

[7] G. Li and H. Jin, The influence of additive rare earths on ion carburization, Surface and Coating Technology, 59(1993)117-120.

DOI: 10.1016/0257-8972(93)90066-w

[8] S. Lu, N. Xiao and H. Zhang, Study on Carburizing kinetics of Low-carbon Steel at High-temperature and Short-term, Journal of Rare Earths 25 Suppl. (Dec. 2007) 266-269.

[9] D. KYangi, J.X. Zhang and H.L. Yang, Effect of rare earth on solid carburizing of 20CrMnTi steel, Journal of Baotou University of Iron and Steel Technology 3 (2000) 254-256.

[10] D. Dragomir, M. Cojocaru and N. Dumitru, The effect of change of carburising medium nature on growing kinetics of layers, U.P.B. Sci. Bull., Series B 75 1 (2013)181-192.

[11] T.Z. Hsu, Effects of rare earth element on isothermal and martensitic transformations in low carbon steels - Review, ISIJ International, 38 11 (1998)1153-1164.

DOI: 10.2355/isijinternational.38.1153