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469 (0,066s) •

Project

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

Micro-structural effects on the fractality of cracks in brittle and quasi-brittle materials will be investigated. Irregularities of fracture surface described from its initiation to final brittle fracture ...

JL - Únava materiálu a lomová mechanika

  • 2006 - 2008
    • •
  • 2 362 tis. Kč
    • •
  • 2 362 tis. Kč
    • •
  • GA ČR
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 micromechanism in compe...

JL - Únava materiálu a lomová mechanika

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

Elimination of brittle fracture in structural thermoplastics (GA106/98/0718)

Brittle fracture is the most damaging way of materials failure, as all of this interdisciplinary project is the prevention of brittle fracture in selected structural conditions may develop brittle frac...

JH - Keramika, žáruvzdorné materiály a skla

  • 1998 - 2000
    • •
  • 2 887 tis. Kč
    • •
  • 2 339 tis. Kč
    • •
  • GA ČR
Project

Competition of the transgranular and intergranular mechanism at the brittle fracture initiation in the structural steels (GA106/98/P090)

Local characteristics of fracture should be analysed for steel displaying competition of transgranular cleavage fracture mechanism and intergranular mechanism. Criteria based on critical fracture stress are to be analysed i...

JL - Únava materiálu a lomová mechanika

  • 1998 - 1999
    • •
  • 650 tis. Kč
    • •
  • 476 tis. Kč
    • •
  • GA ČR
Project

Fracture toughness scatter in ceramics and brittle matrix composites at higher temperatures (GP106/05/P119)

Statistical aspects of fracture behaviour and fracture toughness evaluation of brittle matrix composites at higher temperatures will be followed. The aim is to analyse the scatter in fracture toughness values for s...

JH - Keramika, žáruvzdorné materiály a skla

  • 2005 - 2007
    • •
  • 894 tis. Kč
    • •
  • 894 tis. Kč
    • •
  • GA ČR
Project

Local approach for the assessment of brittle fracture of components (GA101/97/1045)

The purpose of the project is to evaluate the brittle fracture of components conception will be verified means of the assessment of the brittle fracture in precracked and the experimentally measured brittle

JL - Únava materiálu a lomová mechanika

  • 1997 - 1999
    • •
  • 4 065 tis. Kč
    • •
  • 2 525 tis. Kč
    • •
  • GA ČR
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 fo...

JL - Únava materiálu a lomová mechanika

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

Statistical aspects of constraint at brittle fracture initiation (IAC2041011)

constraint on transition and brittle fracture behaviour) the causes of inherent scatter of steel fracture toughness will be analysed by statistical methods. The local fracture reaturesand parameters characterising...

JL - Únava materiálu a lomová mechanika

  • 2000 - 2000
    • •
  • 1 039 tis. Kč
    • •
  • 273 tis. Kč
    • •
  • AV ČR
Project

FJFI ČVUT - Haušild (LZ1K03001)

The main goal of the project is deeper knowledge of mechanisms of brittle-to-ductile transition in steels.The characterization of influence of microstructure on mechanisms of initiation and propagation of cleavage will shed light on physical...

JG - Hutnictví, kovové materiály

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

Nonlinear fracture in structural materials – investigation of expressions of energy dissipation in failure zone via advanced experiments and modelling (GA15-07210S)

During fracture of quasi-brittle/ductile materials the energy dissipates in an extensive nonlinear area at the crack tip. This zone consists of the fracture process standard fracture toughness tests, although mater...

JL - Únava materiálu a lomová mechanika

  • 2015 - 2017
    • •
  • 7 630 tis. Kč
    • •
  • 7 630 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 469