Magnetic-pulse treatment of ring welded joints
https://doi.org/10.23947/1992-5980-2018-18-1-31-37
Abstract
Introduction. The use of the magnetic-pulse treatment method which helps to eliminate and prevent annular seam defects is considered.
Research Results. The method is developed for using magnetic-pulse alignment to eliminate deformations that are formed under welding and due to residual stresses. The welded seam is deformed and takes the position that fails to meet the product requirements. The result is local bending, which is 0.5−2.0 mm, and the diameter reduction in the annular seam area.
Materials and Methods. Theoretical analysis is performed, and a practical research technique is tested. A twisted inductor for expansion and copper satellites for transmitting magnetic pressure are used for the experiments.
Discussion and Conclusions. The workability of the magneticpulse treatment to eliminate and prevent deformations in the annular seams is determined. That makes it possible to align the annular seam remotely, or prestrain structural components ensuring for virtual deformation compensation before the welding. It is expedient to process pipes and rings of 100 mm in diameter with 2-5 mm WT by the current induction, and by the expansion technique.
About the Authors
S. V. Kabluchev
Don State Technical University
Russian Federation
Russian Federation
Kabluchev, Sergey V., engineer of the Welding Fabrication Machines and Automation Department
344000, Rostov-on-Don, Gagarin sq., 1
D. S. Perlov
Don State Technical University
Russian Federation
Russian Federation
Perlov, Denis S., design engineer, “711 Voenproekt” JSC
344038, Rostov-on-Don, M. Nagibin pr., 28
D. V. Rogozin
Don State Technical University
Russian Federation
Russian Federation
Rogozin, Dmitry V., head of the Welding Fabrication Machines and Automation Department, Cand.Sci, (Eng.), associate professor
344000, Rostov-on-Don, Gagarin sq., 1
E. L. Strizhakov
Don State Technical University
Russian Federation
Russian Federation
Strizhakov, Evgeny L., professor of the Welding Fabrication Machines and Automation Department, Dr.Sci, (Eng.), professor
344000, Rostov-on-Don, Gagarin sq., 1
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Review
For citations:
Kabluchev S.V., Perlov D.S., Rogozin D.V., Strizhakov E.L. Magnetic-pulse treatment of ring welded joints. Vestnik of Don State Technical University. 2018;18(1):31-37. (In Russ.) https://doi.org/10.23947/1992-5980-2018-18-1-31-37
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