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National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Numerical modeling of failure of a particle composite with ceramic matrix
 Kosorín, Michal ; Hrstka, Miroslav (referee) ; Majer, Zdeněk (advisor)
Subcritical crack growth in composite materials plays quite an important role in determination of the service life and leads to the defects growth below the fracture toughness. The thesis presents search of the several scientific works dealing with the determination of the crack growth direction in composite materials. The aim of this diploma thesis was to create 2D and 3D finite element models to analyse crack growth in Low Temperature Co-fired Ceramics (LTCC). These models were compared based on the time calculation of the crack propagation under the subcritical growth conditions.
Detailed record
Study of mechanical properties of magnesium-based composites
 Farkas, Gergely ; Mathis, Kristián (advisor) ; Drozd, Zdeněk (referee)
In the present work, the mechanical properties of AJ51 magnesium alloy and composite is studied. Compression tests in the temperature range of 20řC-300řC have been preformed. The microstructure of the specimen was studied by means of light optical microscopy. The work is focused on the elucidation of the micromechanisms acting during plastic deformation of the composite specimens. Further a comparison between the mechanical properties of alloy and the composite is presented.
Detailed record
Numerical modeling of failure of a particle composite with ceramic matrix
 Kosorín, Michal ; Hrstka, Miroslav (referee) ; Majer, Zdeněk (advisor)
Subcritical crack growth in composite materials plays quite an important role in determination of the service life and leads to the defects growth below the fracture toughness. The thesis presents search of the several scientific works dealing with the determination of the crack growth direction in composite materials. The aim of this diploma thesis was to create 2D and 3D finite element models to analyse crack growth in Low Temperature Co-fired Ceramics (LTCC). These models were compared based on the time calculation of the crack propagation under the subcritical growth conditions.
Detailed record
Study of mechanical properties of magnesium-based composites
 Farkas, Gergely ; Mathis, Kristián (advisor) ; Drozd, Zdeněk (referee)
In the present work, the mechanical properties of AJ51 magnesium alloy and composite is studied. Compression tests in the temperature range of 20řC-300řC have been preformed. The microstructure of the specimen was studied by means of light optical microscopy. The work is focused on the elucidation of the micromechanisms acting during plastic deformation of the composite specimens. Further a comparison between the mechanical properties of alloy and the composite is presented.
Detailed record

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