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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Fracture toughness testing at high temperature range using miniaturized CT specimens
 Holas, Jiří ; Kuběna, Ivo (referee) ; Šiška, Filip (advisor)
This master´s thesis deals with the evaluation of fracture behavior of ODS steel MA956 at high temperature range. This behavior was tested by using miniaturized CT specimens, on which were performed experiments to measure of ductile crack growth resistance curves (J-R curves). The value of the fracture toughness was determined from these J-R curves. Fracture properties were consequently evaluated by using fractographic analysis of the fracture surfaces. Structural properties of material was identified by hardness measurement and analyzed by metallographic methods. Results of the measurements show drop of the fracture toughness with respect to the increasing temperature.
Detailed record
Fracture toughness testing at high temperature range using miniaturized CT specimens
 Holas, Jiří ; Kuběna, Ivo (referee) ; Šiška, Filip (advisor)
This master´s thesis deals with the evaluation of fracture behavior of ODS steel MA956 at high temperature range. This behavior was tested by using miniaturized CT specimens, on which were performed experiments to measure of ductile crack growth resistance curves (J-R curves). The value of the fracture toughness was determined from these J-R curves. Fracture properties were consequently evaluated by using fractographic analysis of the fracture surfaces. Structural properties of material was identified by hardness measurement and analyzed by metallographic methods. Results of the measurements show drop of the fracture toughness with respect to the increasing temperature.
Detailed record

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