The Paton Welding Journal, 2015, №08



2015 №08 (11)

DOI of Article 10.15407/tpwj2015.08.01

2015 №08 (02)

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The Paton Welding Journal, 2015, #8, 5-7 pages
 

Flash butt welding of railway frogs through cast austenitic insert

S.I. Kuchuk-Yatsenko¹, Yu.V. Shvets¹, A.V. Kavunichenko¹, V.I. Shvets¹, S.D. Taranenko¹ And V.A. Proshchenko²

¹E.O. Paton Electric Welding Institute, NASU. 11 Bozhenko Str., 03680, Kiev, Ukraine. E-mail: office@paton.kiev.ua
²Company «Dnepropetrovsky Strelochny Zavod». 181 Belostotsky Str., 49098, Dnepropetrovsk, Ukraine
 
Abstract
The technology of flash butt welding of rail frogs with rail ends using an austenitic insert of rolled metal of stainless steel of type 18-10 has found a wide application. In the present paper the experiments on evaluation of possibility of using a shaped casting of steel of type 18-10 as an insert are described. It is shown that fundamental differences in the structure and properties of metal of different zones of welded joints using rolled or cast inserts are not observed. Further increase in efficiency and physical and mechanical properties of welded joints can be realized by optimizing the chemical composition and structure of the insert metal. 8 Ref., 3 Tables, 2 Figures.
 
Keywords: flash butt welding, pulsed flashing, high-manganese steel 110G13L, rail steel M76, austenitic insert, welded joints, chemical composition, d-ferrite, mechanical properties
 
Received:                05.06.15
Published:               13.10.15
 
 
References

1. (1991) European application for patent 0467881A1. Publ. Number 91890157.0.
2. Kuchuk-Yatsenko, S.I., Didkovsky, O.V., Bogorsky, M.V. et al. Method of resistance butt welding. Pat. 46820 Ukraine. Publ. 17.06.02.
3. Kuchuk-Yatsenko, S.I., Shvets, Yu.V., Dumchev, E.A. et al. (2005) Flash-butt welding of railway frogs with rail ends using an intermediate insert. The Paton Welding J., 1, 2-4.
4. Kuchuk-Yatsenko, S.I., Shvets, Yu.V., Gordan, G.N. et al. (2006) Features of formation of structure of joints of rail steel M76 to steel 110G13L made by flash-butt welding. Ibid., 1, 2-8.
5. Kuchuk-Yatsenko, S.I., Shvets, Yu.V., Kavunichenko, A.V. et al. (2007) Influence of the width of stainless steel insert on performance of joints of railway frogs with rail ends. Ibid., 3, 2-5.
6. Kuchuk-Yatsenko, S.I., Shvets, Yu.V., Kavunichenko, A.V. et al. (2008) Performance of flash butt welded joints on railway frogs. Ibid., 9, 30-33.
7. Kuchuk-Yatsenko, S.I., Shvets, V.L., Shvets, Yu.V. et al. (2010) Causes of crack formation in the HAZ of cast high-manganese steel in flash-butt welding. Ibid., 7, 4-7.
8. TUU 27.3-26524137-1342:2006: Frogs and points with welded-on rail ends of R65, R50 and UIC60 type. Valid from 10.08.2006.

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