Influence of oxide inclusions on the process of interparticle splicing of powder materials

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    • Publication Information:
      EDP Sciences, 2021.
    • Publication Date:
    • Collection:
      LCC:Engineering (General). Civil engineering (General)
    • Abstract:
      One of the characteristic features of the structure of the powder material is the increased content of oxide inclusions. In most works considering the influence of oxide inclusions on the fracture process, their contradictory role in the processes of crack initiation and development is noted, which consists, on the one hand, in creating concentrators of internal stresses, increasing the tendency of the material to brittle fracture and in reducing the plastic properties of the material, on the other, when oxide inclusions of appropriate dispersion and distribution in the volume of the matrix prevent the sliding of dislocations, thereby contributing to its strengthening. The positive effect of oxide inclusions on the mechanical properties of the material led to the development of the internal oxidation technology as one of the methods of precipitation hardening of materials.
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      electronic resource
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