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116 (0,126s) •

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 instability. The m...

JL - Únava materiálu a lomová mechanika

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

Molecular dynamic simulations of brittle-ductile behaviour of microcracks in 2D and 3D (IAA2076201)

The project is motivated by efforts to understand the brittle-ductile behaviour of crystalline materials. Molecular dynamic simulations of 2D and 3D problems with various loading will be utilized to study: the brittle (fast) and the...

JG - Hutnictví, kovové materiály

  • 2002 - 2005
    • •
  • 2 918 tis. Kč
    • •
  • 1 108 tis. Kč
    • •
  • AV 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 competition wi...

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

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

Brittle fracture is the most damaging way of materials failure, as all available mechanical energy is concentrated at the tip of a growing crack. The aim of this interdisciplinary project is the prevention of brittle fracture in sel...

JH - Keramika, žáruvzdorné materiály a skla

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

Laboratory for Modelling of Behaviour of Quasi-brittle Materials (VS97040)

The project is focused on the research of mechanical behaviour of quasi-brittle materials as concrete, rocks, and ceramics under service und ultimate load conditions. The investigation is both teoretical and experimental. The teoretical one ...

JN - Stavebnictví

  • 1997 - 2000
    • •
  • 19 924 tis. Kč
    • •
  • 10 822 tis. Kč
    • •
  • MŠMT
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 with the stress concentrators based on the local material parameters. The goal is to work out conception will be verified means of the assessment of the brittle...

JL - Únava materiálu a lomová mechanika

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

Micro-structurally induced shielding effects in toughening of ceramic matrix composites (GA106/06/0724)

Brittle matrix composites represent a group of perspective materials. Despite) focused to the problems of brittle matrix toughening by metal particles and/or long fibres, the project proposed aims to focus to crack shielding effects...

JI - Kompositní materiály

  • 2006 - 2008
    • •
  • 2 988 tis. Kč
    • •
  • 2 988 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 selected monolithic ceramics...

JH - Keramika, žáruvzdorné materiály a skla

  • 2005 - 2007
    • •
  • 894 tis. Kč
    • •
  • 894 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 116