Die Evolutionsmechanismen des Oberflächenschichtgefüges der Metalle bei Reibung

A. V. Kolubaev, O. V. Sizova, S. Tarasov, V. Yu Rubzov, E. Kolubaev

Результат исследований: Материалы для журналаСтатья

Выдержка

Both microstructure and generation of severely deformed layer on metals and alloys in sliding wear under condition of scoring have been studied. As shown, the subsurface layer deformation is by propagation of both sliding-induced strain fields and frictiongenerated heat waves. Such a combination of factors results in generation of a microstructure fully consisting of nanosize grains and subgrains arranged in sublayers so that they are capable of shear with respect to each other. Increasing the normal contact load leads to an instability generated by the strain incompatibility between the subsurface nanocrystalline grain layer and underlying base metal. This instability results in a crossover to the higher deformation scale level, which defines both new strain penetration depth and an occurrence of the catastrophic wear.

Язык оригиналаНемецкий
Страницы (с-по)41-44
Число страниц4
ЖурналTribologie und Schmierungstechnik
Том57
Номер выпуска5
СостояниеОпубликовано - 2010
Опубликовано для внешнего пользованияДа

Отпечаток

Lamellar structures
friction
Metals
Friction
sliding
Wear of materials
contact loads
metals
microstructure
Microstructure
incompatibility
scoring
Loads (forces)
crossovers
penetration
occurrences
shear
heat
propagation

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Цитировать

Die Evolutionsmechanismen des Oberflächenschichtgefüges der Metalle bei Reibung. / Kolubaev, A. V.; Sizova, O. V.; Tarasov, S.; Rubzov, V. Yu; Kolubaev, E.

В: Tribologie und Schmierungstechnik, Том 57, № 5, 2010, стр. 41-44.

Результат исследований: Материалы для журналаСтатья

Kolubaev, A. V. ; Sizova, O. V. ; Tarasov, S. ; Rubzov, V. Yu ; Kolubaev, E. / Die Evolutionsmechanismen des Oberflächenschichtgefüges der Metalle bei Reibung. В: Tribologie und Schmierungstechnik. 2010 ; Том 57, № 5. стр. 41-44.
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AU - Tarasov, S.

AU - Rubzov, V. Yu

AU - Kolubaev, E.

PY - 2010

Y1 - 2010

N2 - Both microstructure and generation of severely deformed layer on metals and alloys in sliding wear under condition of scoring have been studied. As shown, the subsurface layer deformation is by propagation of both sliding-induced strain fields and frictiongenerated heat waves. Such a combination of factors results in generation of a microstructure fully consisting of nanosize grains and subgrains arranged in sublayers so that they are capable of shear with respect to each other. Increasing the normal contact load leads to an instability generated by the strain incompatibility between the subsurface nanocrystalline grain layer and underlying base metal. This instability results in a crossover to the higher deformation scale level, which defines both new strain penetration depth and an occurrence of the catastrophic wear.

AB - Both microstructure and generation of severely deformed layer on metals and alloys in sliding wear under condition of scoring have been studied. As shown, the subsurface layer deformation is by propagation of both sliding-induced strain fields and frictiongenerated heat waves. Such a combination of factors results in generation of a microstructure fully consisting of nanosize grains and subgrains arranged in sublayers so that they are capable of shear with respect to each other. Increasing the normal contact load leads to an instability generated by the strain incompatibility between the subsurface nanocrystalline grain layer and underlying base metal. This instability results in a crossover to the higher deformation scale level, which defines both new strain penetration depth and an occurrence of the catastrophic wear.

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