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2011 №06 (09) 2011 №06 (02)

The Paton Welding Journal 2011 #06
The Paton Welding Journal, 2011, #6, 2-5 pages  

PECULIARITIES OF INFLUENCE OF DEFECTS IN CAST BILLETS OF STEEL 110G13L ON MECHANICAL PROPERTIES OF JOINTS DURING FLASH-BUTT WELDING

S.I. KUCHUK-YATSENKO1, Yu.V. SHVETS1, A.V. KAVUNICHENKO1, V.I. SHVETS1, S.D. TARANENKO2 and V.A. PROSHCHENKO2


1E.O. Paton Electric Welding Institute, NASU, Kiev, Ukraine
2OJSC «Dnepropetrovsky strelochny zavod», Dnepropetrovsk, Ukraine
 
 
Abstract
The features of defects formation in butt welds, made by flash-butt welding of cast billets of steel 110G13L (GOST 7432-87) with austenite rolled billets of steel 12Kh18N10T (GOST 5949-75), which are used in manufacture of welded railway frogs, were investigated. It was established that casting defects, being located in the butt weld zone, lead to formation of defects and, depending on conditions of their formation, affect the strength properties of welded joints in different ways.
 
 
Keywords: pulsed flash-butt welding, high-manganese steel 110G13L, rail steel M76, austenite insert
 
 
Received:                ??.??.??
Published:               28.06.11
 
 
References
1. 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.
2. Kuchuk-Yatsenko, S.I., Didkovsky, O.V., Bogorsky, M.V. et al. Flash-butt welding method. Pat. 46820 Ukraine. Publ. 17.06.02.
3. TU U 27.3-26524137-1342:2006: Frogs and cores with welded-on rail ends of R65, R50 and UIC60 types. Valid rom 2006.
4. Kuchuk-Yatsenko, S.I. (1992) Flash-butt welding. Kiev: Naukova Dumka.