The Paton Welding Journal, 2012, №06



2012 №06 (02)

2012 №06 (04)

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The Paton Welding Journal, 2012, #6, 14-16 pages  

ASSESSMENT OF HYDROGEN INFLUENCE ON DELAYED FRACTURE OF WELDED JOINTS FROM HIGH-STRENGTH LOW-ALLOYED STEELS

N.N. KHARBIN, O.I. SLEPTSOV, M.N. SIVTSEV and G.G. VINOKUROV

V.P. Larionov Institute of Physico-Technical Problems of the North, SD of RAS, Yakutsk, Russia
 
 
Abstract
Hydrogen influence on delayed fracture of welded joints of high-strength low-alloyed steels was studied by the Implant method. A calculation model based on material creep theory was proposed for assessment of hydrogen contribution to delayed fracture process.
 
 
Keywords: arc welding, welded joints, high-strength low-alloyed steels, delayed fracture, calculation model
 
 
Received:                13.03.12
Published:               28.06.12
 
 
References
1. Makarov, E.L. (1981) Cold cracks in welding of alloy steels. Moscow: Mashinostroenie.
2. Pokhodnya, I.K., Shvachko, V.I. (1997) Physical nature of hydrogen induced cold cracks in structural steel welded joints. Avtomatich. Svarka, 5, 3-12.
3. Graville, B.A. (1986) A short review of weld metal hydrogen cracking. Welding in the World, 9/10, 190-198.
4. Sleptsov, O.I., Mikhajlov, V.E., Petushkov, V.G. et al. (1989) Increase in strength of welded structures for the North. Novosibirsk: Nauka.
5. Mikhajlov, V.E., Lepov, V.V., Alymov, V.T. et al. (1999) Delayed fracture of metal structures. Novosibirsk: SO of RAN.
6. Kasatkin, B.S., Brednev, V.I. (1985) Peculiarities of mechanism of cold cracking in welded joints of low-alloy high-strength steels. Avtomatich. Svarka, 8, 1-6, 18.
7. Chizhik, A.A., Lanin, A.A. (1985) Crack resistance of materials in conditions of stress relaxation. In: Trudy of TsKTI on Assessment of crack resistance of materials and welded joints, 218, 39-50.

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Suggested Citation

N.N. KHARBIN, O.I. SLEPTSOV, M.N. SIVTSEV and G.G. VINOKUROV (2012) ASSESSMENT OF HYDROGEN INFLUENCE ON DELAYED FRACTURE OF WELDED JOINTS FROM HIGH-STRENGTH LOW-ALLOYED STEELS. The Paton Welding J., 06, 14-16.

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