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474 (0,107s) •

Project

Micromechanical aspects of brittle fracture initiation with respect to impurity effects (OC 517.20)

Analysis of micromechanical features of brittle fracture initiation controlled by intergranular failure. Mechanisms identification that are governing this kind of failure micromechanism. Intergranular failure micromecha...

JL - Únava materiálu a lomová mechanika

  • 1997 - 2001
    • •
  • 2 455 tis. Kč
    • •
  • 1 565 tis. Kč
    • •
  • MŠMT
Project

The scaling role of damage inhomogeneity in brittle fracture (IAA200410502)

The project is oriented into the field of physics and micromechanics of failures. For selected inherently brittle materials the damage development at the crack tip during brittle transgranular fracture initiation will be followed. T...

JL - Únava materiálu a lomová mechanika

  • 2005 - 2009
    • •
  • 3 375 tis. Kč
    • •
  • 3 375 tis. Kč
    • •
  • AV ČR
Project

The micromechanics of self-affine fractal cracks in brittle materials (GA106/06/0646)

-brittle materials will be investigated. Irregularities of fracture surface described to micro-mechanisms of fracture initiation and propagation and as a function of local energy release rate and crack velocity. Since the fractu...

JL - Únava materiálu a lomová mechanika

  • 2006 - 2008
    • •
  • 2 362 tis. Kč
    • •
  • 2 362 tis. Kč
    • •
  • GA ČR
Project

Micromechanical analysis and modeling of compressive fracture in fiber reinforced cementitious composites (GA106/02/0678)

under compressive loads. To achieve this goal, a micromechanics-based approach fundamental information about microstructures and micromechanisms associated with the compressive failure will be obtained. Consequently, a micromec...

JI - Kompositní materiály

  • 2002 - 2004
    • •
  • 2 316 tis. Kč
    • •
  • 2 101 tis. Kč
    • •
  • GA ČR
Project

Brittle fracture micromechanics and toughness scaling models (IAA2041003)

For structural steels and ceramics the material brittle fracture resistance will be followed. Parameters characterising the local fracture resistance will be evaluated experimentalsteel mocrostructures, approach modification for

JL - Únava materiálu a lomová mechanika

  • 2000 - 2004
    • •
  • 8 010 tis. Kč
    • •
  • 2 668 tis. Kč
    • •
  • AV ČR
Project

Failure micromechanisms of duplex steels under local constraint and strain rate effects (IAA2041701)

micromechanisms and characteristics will be analysed (part of project applied at Eng enabling the effect of microstructure, temperature and strain rate on fracture with respecttoconstraint effects. The correlation of standaard ...

JL - Únava materiálu a lomová mechanika

  • 1997 - 1999
    • •
  • 3 388 tis. Kč
    • •
  • 1 526 tis. Kč
    • •
  • AV ČR
Project

Damage prediction of structural materials using cohesive models (GA101/05/0493)

Micromechanical modelling of damage and fracture has found increasing interest for many years, especially in the last decade. The identification and determination of the micromechanical parameters require a hybrid methodolo...

JG - Hutnictví, kovové materiály

  • 2005 - 2007
    • •
  • 2 774 tis. Kč
    • •
  • 2 774 tis. Kč
    • •
  • GA ČR
Project

FJFI ČVUT - Haušild (LZ1K03001)

to the formulation of a model for fracture toughness prediction based on the microstructural parameters and micromechanisms of fracture.Research results can be applied in the field......

JG - Hutnictví, kovové materiály

  • 2003 - 2005
    • •
  • 728 tis. Kč
    • •
  • 678 tis. Kč
    • •
  • MŠMT
Project

Micromechanisms and nanomechanisms in deformation and fracture of polymeric nanocomposites (KJB200500601)

of polymer chains. Fracture behaviour will be described from the point of view of fracture mechanics concept. This approach will allow to clarify the deformation and fracture mechanisms in polymer/clay nanocomposites. Fina...

JI - Kompositní materiály

  • 2006 - 2008
    • •
  • 1 047 tis. Kč
    • •
  • 1 047 tis. Kč
    • •
  • AV ČR
Project

Simulation of the brittle damage and fracture of heteroneneous materials (GA101/08/1304)

to the micromechanical modelling of the monolithic materials. Using this approach the numerical approach. The identification of the micromechanical parameters requires ahead the crack tip, so finding the relationship between the cl...

JH - Keramika, žáruvzdorné materiály a skla

  • 2008 - 2010
    • •
  • 2 317 tis. Kč
    • •
  • 2 317 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 474