National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Surface quenching of ductile cast iron
Neduchal, Bronislav ; Roučka, Jaromír (referee) ; Záděra, Antonín (advisor)
This diploma thesis is focused on the surface hardening of cast irons with spheroidal graphite. The work describes a theoretical analysis of the structure and properties of cast irons and individual methods suitable for surface hardening. The practical part describes the production of cast iron castings with spheroidal graphite, on which the surface hardening is performed, tensile test, hardening of produced castings by induction and laser surface hardening, preparation of samples for measuring microhardness and metallographic analysis of metal structures.
Influence of concentration of selected pearlitic elements on structure and properties of spheroidal graphite cast iron
Kazdera, Vojtěch ; Kaňa, Václav (referee) ; Záděra, Antonín (advisor)
This masters thesis deals with the influence of selected pearlitic elements on the mechanical properties and structure of spheroidal graphite cast iron. The theoretical part analyses the parameters that have a major impact on the mechanical properties and structure of cast irons. In the practical part, the influence of Cu, Mn and thickness on the mechanical properties and structure of spheroidal graphite cast iron is determined by means of a planned experiment. The measured values were then statistically processed and the result is equations for the theoretical calculation of mechanical properties.
Influence of concentration of selected pearlitic elements on structure and properties of spheroidal graphite cast iron
Kazdera, Vojtěch ; Kaňa, Václav (referee) ; Záděra, Antonín (advisor)
This masters thesis deals with the influence of selected pearlitic elements on the mechanical properties and structure of spheroidal graphite cast iron. The theoretical part analyses the parameters that have a major impact on the mechanical properties and structure of cast irons. In the practical part, the influence of Cu, Mn and thickness on the mechanical properties and structure of spheroidal graphite cast iron is determined by means of a planned experiment. The measured values were then statistically processed and the result is equations for the theoretical calculation of mechanical properties.
Surface quenching of ductile cast iron
Neduchal, Bronislav ; Roučka, Jaromír (referee) ; Záděra, Antonín (advisor)
This diploma thesis is focused on the surface hardening of cast irons with spheroidal graphite. The work describes a theoretical analysis of the structure and properties of cast irons and individual methods suitable for surface hardening. The practical part describes the production of cast iron castings with spheroidal graphite, on which the surface hardening is performed, tensile test, hardening of produced castings by induction and laser surface hardening, preparation of samples for measuring microhardness and metallographic analysis of metal structures.

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