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681 (0,118s) •

Project

Probability approach to the critical fatigue crack in steel structures (GA103/05/2467)

. The standard methods were based on requirement, which does not allow fatigue crack during failure. The data are represented in Wohler (Aa-N) curves. The fatigue cracks, which the absence possibility this method r...

JN - Stavebnictví

  • 2005 - 2007
    • •
  • 1 080 tis. Kč
    • •
  • 1 080 tis. Kč
    • •
  • GA ČR
Project

Micro-interpretation of fatigue defects in steels of various strengths (GA103/06/1382)

Developing a model for the description of environment-attended short fatigue crack propagation. Fatigue cracks are initiated at corrosion pits being formed result in the growth of fatigue cracks t...

JL - Únava materiálu a lomová mechanika

  • 2006 - 2008
    • •
  • 3 824 tis. Kč
    • •
  • 3 824 tis. Kč
    • •
  • GA ČR
Project

Innovative techniques for assessment of residual life of bodies with fatigue cracks (GA101/08/1623)

of residual life of bodies with fatigue cracks with respect to the influence of following will be obtained from fatigue crack experiments in threshold area and low-cycle fatigue experiments. The distribut...

JL - Únava materiálu a lomová mechanika

  • 2008 - 2009
    • •
  • 1 562 tis. Kč
    • •
  • 1 562 tis. Kč
    • •
  • GA ČR
Project

Influence of constraint on the short fatigue crack propagation (IAC2041007)

fracture mechanics on behaviour of short fatigue cracks. The different levels the project is to elucidate the effect of the parameters T and Q on short fatigue cracks propagation rate in comparison with long f...

JG - Hutnictví, kovové materiály

  • 2000 - 2000
    • •
  • 187 tis. Kč
    • •
  • 105 tis. Kč
    • •
  • AV ČR
Project

The effect of free surface on fatigue crack growth (GP106/06/P239)

singularity) and both influence the fatigue crack propagation behaviour. Suggested project solvesthis problem on the base of linear elastic fracture mechanics. The fatigue crackThe nature of the crack tip...

JL - Únava materiálu a lomová mechanika

  • 2006 - 2008
    • •
  • 875 tis. Kč
    • •
  • 875 tis. Kč
    • •
  • GA ČR
Project

Oxide-induced crack closure and its implications for lifetime prediction of mechanical components (OXILAP) (GA22-28283S)

The impact of oxide-induced crack closure (OICC) on a fatigue crack propagation threshold will be studied. The oxide formation on new crack surfaces significantly influences crack closure and is also respo...

Mechanical engineering

  • 2022 - 2024
    • •
  • 6 468 tis. Kč
    • •
  • 6 468 tis. Kč
    • •
  • GA ČR
Project

Influence of interface between two materials on fatigue crack propagation (GP106/04/P084)

Suggested project deals with behaviour and propagation of a fatigue crack near of project GA CR 106/01/0381 "Propagation of a fatigue crack through the interface. Calculated threshold values for fatigue

JI - Kompositní materiály

  • 2004 - 2006
    • •
  • 617 tis. Kč
    • •
  • 617 tis. Kč
    • •
  • GA ČR
Project

Research of potential method measuring system for monitoring initiation, stable and unstable crack growth for new industry application. (TH02020071)

method measuring system using for crack growth rate measurement of fatigue cracks and fatigue crack growth due to service life must be taken into account. Another aims of the fatigue cracks

JB - Senzory, čidla, měření a regulace

  • 2017 - 2020
    • •
  • 17 050 tis. Kč
    • •
  • 10 225 tis. Kč
    • •
  • TA ČR
Project

Fatigue life and residual fatigue life assessment based on the kinetics of short crack growth (GA106/02/0584)

ofthe short crack growth. The fatigue crack kinetics will be studied on specimensTwo basic approaches have been used until now to evaluate the fatigue life and residual fatigue life of materials, structur...

JG - Hutnictví, kovové materiály

  • 2002 - 2004
    • •
  • 6 109 tis. Kč
    • •
  • 1 824 tis. Kč
    • •
  • GA ČR
Project

New Approaches to Investigation of Fatigue Crack Propagation in Modes II, III and II+III (GAP108/10/0698)

A general knowledge about stability and growth conditions of fatigue cracks cracks in order to better understand the crack-growth micromechanisms. Fatigue tests for simultaneous crack growth under...

JL - Únava materiálu a lomová mechanika

  • 2010 - 2013
    • •
  • 6 000 tis. Kč
    • •
  • 6 000 tis. Kč
    • •
  • GA ČR
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