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Vol 209
Pages:
239-243
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RUS
Article

Modeling simulation of structure in a heat-affected zone of welded joint from low-alloyed steels

Authors:
E. I. Pryakhin1
D. M. Sharapova2
About authors
  • 1 — Ph.D., Dr.Sci. professor National Mineral Resources University (Mining University)
  • 2 — post-graduate student National Mineral Resources University (Mining University)
Date submitted:
2013-09-24
Date accepted:
2013-11-15
Date published:
2014-07-18

Abstract

Simulation modeling of processes in the heat-affected zone by welding low-alloyed steels is of particular importance. This technique is used to study the structure of the metal in heat-affected zone by hidden arc welding of pipes. The causes of a low impact strength in the area of large grain of heat-affected zone welding steel K70 are determined.

Область исследования:
(Archived) Materials science and art materials processing
Keywords:
low-alloyed steels welding heat-affected zone structure simulation modeling
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References

  1. Ivanov A.Yu., Orlov V.V., Kruglova A.A., Sharapova D.M. and others and others. Research of structure for heat-ahhected zone of welded joint out of steel of a class of durability X80 after imitating modeling of heat influences // Problems of materials science. 2010, N 1(61). P.31-39.
  2. Ivanov A.Yu., Kruglova A.A., Orlov V.V., Sharapova D.M. and others. Prediction of the structure of heat affected zone of pipe strength class X80 // Collected reports XV International Scientific and Technical Conference «Problems of Life and the safe operation of materials and structures». Saint Petersburg, 2009. P.243-248.
  3. Sergeiev Yu.G., Sharapova D.M. Research of chemical compositions, hardness and structure of metal of welded joints from steel 15XCНД with reference to flying structures of brides // Problems of materials science. 2009. N 4(60). P.89-100.
  4. Zhao Fuchen. Studies of seam forming at multipass hybrid welding by CO2-laser+MIC of bainite steels with ultra low content of carbon. Abstract of the thesis for the degree of Candidate of Technical Sciences. Saint Petersburg, 2011. 22 р.
  5. Sharapova D.M. About necessity the use of modern tools in the study of structures in the HAZ of shipbuilding steels // Reports of the St. Petersburg International Scientific and Technical Conference. «Petranevskie reading. Welding materials-2012». Saint Petersburg, 2012. P.202-209.
  6. Dirk Petring. Enhancement of laser welding capabilities by hybridization or combination of different processes. Proceedings of the 3st Pacific International Conference on Application of Lasers and Optics, Beijing, China. 2008. P.324-329.
  7. Performance and results: Annual report 2000. Fraunhofer-Institute for Laser Technology ILT. Р.53. URL: http://www.ilt.fraunhofer.de/eng

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