ipmash@ipme.ru | +7-812-321-47-78
пн-пт 10.00-17.00
Институт Проблем Машиноведения РАН ( ИПМаш РАН ) Институт Проблем Машиноведения РАН ( ИПМаш РАН )

Institute for Problems in Mechanical Engineering
of the Russian Academy of Sciences

Institute for Problems in Mechanical Engineering of the Russian Academy of Sciences

EXPERIMENTAL INVESTIGATIONS

  • Hydrogen diagnostics
  • Effect of Hydrogen on fatigue strength and delayed fracture:
    • Destruction of the friction surface
    • Destruction of rolling bearings
    • Destruction of the wheels of high-speed trains
    • Blades of gas turbine engines
    • High-strength fasteners in building, automotive and aviation
    • Materials of nuclear and thermonuclear power engineering

THEORETICAL INVESTIGATIONS

Continuum models of materials with microstructure

  • Determination of the effective properties of heterogeneous materials in terms of microstructural parameters
  • Description of structural transformations in a material at the evolution of microstructural parameters depending on external and internal thermomechanical influences
  • Construction of models of continuum with a changing microstructure by means of consideration additional state parameters, the evolution of which is determined by balances with source terms modeling the material structural changes

Practical use

  • Hydrogen degradation of metals and alloys
  • Properties of biological tissues
  • Creation of smart materials
  • 4D printing

Models of gas diffusion in solids

  • Theoretical description of the absorption of hydrogen from the environment into metals
  • Modeling the degradation of titanium hydrides and deuterides

Practical use

  • Hydrogen degradation of metals and alloys
  • Safety in nuclear power
  • Storage and transportation of deuterium

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  • Fatigue modeling and fatigue life of metal structures
  • Finite element modeling of cyclic microplasticity and fatigue fracture of metallic materials
  • Hypersingular boundary integral equations for block structures with growing cracks, inclusions, and pores

Modeling and calculations of the resource of tubular structures:

Examples of tubular components

FE model of a welded joint of tubular components for calculating atigue life of a joint

Finite element modeling of cyclic microplasticity and fatigue fracture of polycrystalline metallic materials:

Simulation of fracture of samples under cyclic loading accounting for the structural inhomogeneity of the material

Simulation of fatigue fracture caused by crack initiation

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