The Paton Welding Journal, 2003, №06

2003 №06 (01)

2003 №06 (03)

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The Paton Welding Journal, 2003, #6, 6-10 pages

Method of evaluation of effect of residual stresses on formation of longitudinal cold cracks in alloy steel welded joints

L.M. Lobanov, L.I. Mikhoduj, V.D. Poznyakov, O.L. Mikhoduj, S.B. Kasatkin, A.A. Sergienko, P.A. Strizhak

E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.

Abstract
Technological sample amd procedure of investigations have been developed that makes it possible to evaluate the effect of residual stresses on the resistance of welded joints with multilayer welding to the formation of longitudinal cold cracks. The relationship between the level of residual stresses and resistance to the formation of longitudinal cold cracks of 14KhGN2MDAFB steel welded joints, made using wire Sv-10KhGN2SMFTYu in 75 % Ar + 25 % CO₂ mixture of gases, was established.
Keywords: high-strength steels, welded joints, cold cracks, method of investigations, shielded-gas welding, mechanical tensometry, holographic interferometry, transverse displacements, residual stresses

References

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Suggested Citation

L.M. Lobanov, L.I. Mikhoduj, V.D. Poznyakov, O.L. Mikhoduj, S.B. Kasatkin, A.A. Sergienko, P.A. Strizhak (2003) Method of evaluation of effect of residual stresses on formation of longitudinal cold cracks in alloy steel welded joints. The Paton Welding J., 06, 6-10.

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