The Paton Welding Journal, 2011, №09



2011 №09 (07)

2011 №09 (09)

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The Paton Welding Journal, 2011, #9, 40-43 pages  

ELECTRON BEAM WELDING OF BODIES OF DRILL BITS WITH MODIFYING OF WELD METAL BY ZIRCONIUM

V.M. NESTERENKOV, A.A. BONDAREV, Yu.A. ARKHANGELSKY and V.I. ZAGORNIKOV

E.O. Paton Electric Welding Institute, NASU, Kiev, Ukraine
 
 
Abstract
The influence of weld metal modifying in EBW of new designs of drill bits was studied. It is known that application of zirconium inserts-modifiers allows preventing cracks in welded joints of 40KhN and 14Kh3MNA steels.
 
 
Keywords: electron beam welding, drill bit, zirconium, weld modifying, cracks, microstructure, hardness
 
 
Received:                ??.??.??
Published:               28.09.11
 
 
References
1. Keloglu, Yu.P., Zakharevich, K.M., Kartashevskaya, M.I. (1977) Metals and alloys. Kishinyov: Kartya Moldavenyaske.
2. Grabin, V.F., Denisenko, A.V. (1978) Metals science of welding of low- and med-alloy steels. Kiev: Naukova Dumka.
3. Nesterenkov, V.M., Protosej, N.E., Arkhangelsky, Yu.A. (2009) Technological features of electron beam welding of drill bits. The Paton Welding J., 5, 8-14.
4. Hrivnak, I. (1984) Weldability of steels. Ed. by E.L. Makarov. Moscow: Mashinostroenie.

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