Effect of Heat Input Pulse on the Structure and Properties of Welded Joints of Steels Ferritic-Pearlitic Class, Operating under Low-Frequency Temperature-Force Loading

Y. N. Saraev, V. P. Bezborodov, E. A. Putilova

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Abstract

We have investigated the influence of the modes of adaptive pulse-arc welding and surfacing on the structure and physical-mechanical properties of welded joints of steel 09Mn2Si and the surfaced composition of this steel coated with modified powder material of chromium carbide with the submicrocrystalline structure. It is shown that the pulsed mode of welding and surfacing can improve the homogeneity of the structure of the welded joint of steel and surfaced coating and reduce the grain size of metals in both of them. Structural changes lead to the increase in ductility and toughness of the weld metal.

Original languageEnglish
Article number012014
JournalIOP Conference Series: Materials Science and Engineering
Volume91
Issue number1
DOIs
Publication statusPublished - 14 Sep 2015

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ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)

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