National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Fatigue behaviour of nickel-based superalloy IN738LC with AlSi coating at 800°C
Hlavnička, Radek ; Juliš, Martin (referee) ; Hutařová, Simona (advisor)
This work deals with influence of applied protective AlSi layer on low cycle fatigue behaviour of substrate from nickel base superalloy Inconel 738 LC. Protective layer is made by thermal spraying, plasma spraying followed by heat treatment. The emphasis is especially concentrated to the microstructure evaluation of the protect layer and basic material, in addition, measurement of layer thickness and the microhardness in as sprayed conditions and after heat treatment. The fatigue behaviour is assessed by fracture area observation and fatigue cracks evaluation after low cycle fatigue tests carried out at 800 °C.
Fatigue properties of ultrafine grained Mg alloys
Hlavnička, Radek ; Štěpánek, Roman (referee) ; Pantělejev, Libor (advisor)
This thesis deals with the influence of grain refinement by ECAP on fatigue properties of magnesium alloy AZ 91. Tensile and fatigue tests were made on the as-cast state samples and samples after ECAP process. Metallographic analysis of the microstructure and fractographic analysis of the fracture surfaces was performed.
Fatigue properties of ultrafine grained Mg alloys
Hlavnička, Radek ; Štěpánek, Roman (referee) ; Pantělejev, Libor (advisor)
This thesis deals with the influence of grain refinement by ECAP on fatigue properties of magnesium alloy AZ 91. Tensile and fatigue tests were made on the as-cast state samples and samples after ECAP process. Metallographic analysis of the microstructure and fractographic analysis of the fracture surfaces was performed.
Fatigue behaviour of nickel-based superalloy IN738LC with AlSi coating at 800°C
Hlavnička, Radek ; Juliš, Martin (referee) ; Hutařová, Simona (advisor)
This work deals with influence of applied protective AlSi layer on low cycle fatigue behaviour of substrate from nickel base superalloy Inconel 738 LC. Protective layer is made by thermal spraying, plasma spraying followed by heat treatment. The emphasis is especially concentrated to the microstructure evaluation of the protect layer and basic material, in addition, measurement of layer thickness and the microhardness in as sprayed conditions and after heat treatment. The fatigue behaviour is assessed by fracture area observation and fatigue cracks evaluation after low cycle fatigue tests carried out at 800 °C.

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1 Hlavnička, Roman
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