Channeled local structural transformations in polycrystal surface layers in alternate cyclic bending

V. E. Panin, T. F. Elsukova, Yu F. Popkova

Результат исследований: Материалы для журналаСтатья

4 Цитирования (Scopus)

Выдержка

The paper presents experimental data on the stage evolution of channeled local structural transformations in the direction of maximum tangential stress in polycrystal surface layers under cyclic loading. At the first loading stage, islands of surface layers are extruded; at the second loading stage, they coagulate into folded structures. The geometric parameters of the folded structures correlate with the stacking fault energy of the material. The obtained results support the concept of physical mesomechanics about a chessboard distribution of tensile and compressive normal stresses at the " weakened surface layer - crystalline substrate" interface.

Язык оригиналаАнглийский
Страницы (с-по)1-9
Число страниц9
ЖурналPhysical Mesomechanics
Том14
Номер выпуска1-2
DOI
СостояниеОпубликовано - 2011

Отпечаток

Polycrystals
polycrystals
surface layers
stacking fault energy
Stacking faults
Crystalline materials
Substrates

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces

Цитировать

Channeled local structural transformations in polycrystal surface layers in alternate cyclic bending. / Panin, V. E.; Elsukova, T. F.; Popkova, Yu F.

В: Physical Mesomechanics, Том 14, № 1-2, 2011, стр. 1-9.

Результат исследований: Материалы для журналаСтатья

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AB - The paper presents experimental data on the stage evolution of channeled local structural transformations in the direction of maximum tangential stress in polycrystal surface layers under cyclic loading. At the first loading stage, islands of surface layers are extruded; at the second loading stage, they coagulate into folded structures. The geometric parameters of the folded structures correlate with the stacking fault energy of the material. The obtained results support the concept of physical mesomechanics about a chessboard distribution of tensile and compressive normal stresses at the " weakened surface layer - crystalline substrate" interface.

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KW - Structural-scale levels of deformation

KW - Surface layers

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