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<p>Using the methods of transmission electron microscopy, the microstructure and phase composition of the coatings made of CoCrFeMnNi multicomponent alloys formed by flux-cored arc surfacing are studied. It is found out that these alloys are characterized by a&#xa0;single-phase structure, consisting of a&#xa0;γ-phase with an fcc-lattice and a&#xa0;large number of crystal lattice defects of different types, presumably nucleating as a&#xa0;result of thermal stress relaxation during material surfacing. The prevailing type of these defects and their distribution density are determined by the contents of Ni and Mn in the alloy.</p>

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Electron microscopic analysis of the Co-Cr-Fe-Mn-Ni system

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • R. E. Kryukov,
  • A. I. Potekaev,
  • V. E. Gromov,
  • S. V. Konovalov,
  • A. R. Mikhno,
  • I. A. Panchenko

摘要

Using the methods of transmission electron microscopy, the microstructure and phase composition of the coatings made of CoCrFeMnNi multicomponent alloys formed by flux-cored arc surfacing are studied. It is found out that these alloys are characterized by a single-phase structure, consisting of a γ-phase with an fcc-lattice and a large number of crystal lattice defects of different types, presumably nucleating as a result of thermal stress relaxation during material surfacing. The prevailing type of these defects and their distribution density are determined by the contents of Ni and Mn in the alloy.