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Influence of the stress state on the structure and properties of welded steel and alloy structures

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Abstract

The residual stress due to welding in steel and alloy structures is analyzed. The greatest residual stress is produced by cooling of the welded structure. The results of calculations are in satisfactory agreement with the experimental deformation of the structure in welding on a test bench. The tests reveal the direction of the internal stress and permit assessment of the geometry of parts on the basis of a model of the temperature fields in the butt welding of steel and titanium-alloy workpieces. A coercimeter may be used to assess the stress state of the material and its defect content. By that means, it is possible to predict the structural state and properties of weld joints. The dynamics of welding deformation may be understood on the basis of the internal residual stress and the structural transformations produced by the welding process.

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Authors and Affiliations

  1. Komsomolsk-on-Amur State Technical University, Komsomolsk-on-Amur, Russia

    V. I. Murav’ev, P. V. Bakhmatov, N. O. Pletnev & A. A. Debelyak

Authors
  1. V. I. Murav’ev
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  2. P. V. Bakhmatov
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  3. N. O. Pletnev
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  4. A. A. Debelyak
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Corresponding author

Correspondence to V. I. Murav’ev.

Additional information

Original Russian Text © V.I. Murav’ev, P.V. Bakhmatov, N.O. Pletnev, A.A. Debelyak, 2016, published in Izvestiya VUZ. Chernaya Metallurgiya, 2016, No. 4, pp. 251–255.

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Murav’ev, V.I., Bakhmatov, P.V., Pletnev, N.O. et al. Influence of the stress state on the structure and properties of welded steel and alloy structures. Steel Transl. 46, 256–259 (2016). https://doi.org/10.3103/S0967091216040070

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  • DOI: https://doi.org/10.3103/S0967091216040070

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