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511 (0,107s) •

Project

Physical aspects of the transition behaviour of ferritic steels (GA106/04/0066)

fracture characteristics of ferritic, ferritic-pearlitic or bainitic steels. Furthermore, cleavage initiation mechanisms will be studied on Fe2-3wt.%Si considered as a model material for cleavage fracture of bcc m...

JG - Hutnictví, kovové materiály

  • 2004 - 2006
    • •
  • 2 575 tis. Kč
    • •
  • 2 575 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 competition wi...

JL - Únava materiálu a lomová mechanika

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

Effect of ultrafine particles dispersion on cleavage fracture of chromium steels (GA106/08/1397)

with dispersion of oxide particles lead to change of cleavage fracture mechanism of microstructural changes and fracture behaviour of these materials connected with the thermal of cleavage nucleation for microstru...

JG - Hutnictví, kovové materiály

  • 2008 - 2010
    • •
  • 2 612 tis. Kč
    • •
  • 2 612 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

Quantification of constraint effect on fracture toughness of ferritic steels at cleavage fracture (GA106/00/1347)

The goal of the Project is to apply the so called J-Q approach of fracture mechanics to prediction of fracture behaviour of ferritic steels with nearly linear hardening, in conditions when failure mechanism is cleavage ...

JL - Únava materiálu a lomová mechanika

  • 2000 - 2002
    • •
  • 1 879 tis. Kč
    • •
  • 1 386 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 a...

JL - Únava materiálu a lomová mechanika

  • 1998 - 1999
    • •
  • 650 tis. Kč
    • •
  • 476 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 followed. The damage...

JL - Únava materiálu a lomová mechanika

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

Sturgeon as a unique model for evolutionary transition from holoblastic to meroblastic cleavage pattern, and for endoderm development in vertebrates (GA20-23836S)

formed organism. Unfortunately understanding about early cleavages and their impact on development is poor. Vertebrate embryo cleavage pattern is either holoblastic (complete) or meroblastic (partial). The holoblastic cleavage<...

Biology (theoretical, mathematical, thermal, cryobiology, biological rhythm), Evolutionary biology

  • 2020 - 2022
    • •
  • 8 220 tis. Kč
    • •
  • 8 220 tis. Kč
    • •
  • GA ČR
Project

Reactivity of asymmetrically substituted epimino pyranoses (IAA400720703)

The aim of this project is to explore nucleophilic aziridine ring cleavage of 4-deoxy- and 4-fluoro-2,3-epimino derivatives of 1,6-anhydro-beta-D-hexopyranoses. A ionic SN1-like mechanism in competition with SN2 mechanism is expected to cont...

CC - Organická chemie

  • 2007 - 2009
    • •
  • 603 tis. Kč
    • •
  • 603 tis. Kč
    • •
  • AV ČR
Project

Hydrolytic cleavage products of protein adducts in urine as a new type of biomarkers in preventive medicine (NV19-09-00378)

their subsequent fate in the organism. We found in rats that hydrolytic cleavage of the globin current project we will investigate urinary excretion of these cleavage products to create a general statistical model allowing to inter...

Toxicology

  • 2019 - 2022
    • •
  • 7 276 tis. Kč
    • •
  • 6 664 tis. Kč
    • •
  • MZ
  • 1 - 10 out of 511