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Cermets
Salcburger, Martin ; Kalivoda, Milan (referee) ; Humár, Anton (advisor)
This bachelor´s thesis is focused on materials based on cermets which are designed for the machining of components. The first part describes a short classification and charasteristics of cutting materials used in machining. Second part is focused on the history of development of the cermets, their structure, production, chemical and mechanical properties. The current condition of range of the most known producers of cutting materials is described in the last part of this thesis.
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Mechanical and physical properties of magnesium alloys prepared by rotary swaging
Škraban, Tomáš ; Drozd, Zdeněk (advisor) ; Mathis, Kristián (referee)
in english For their positive influence on mechanical and physical properties of the material, methods of severe plastic deformation are popular for quite some time today. Rotary swaging is one of them. With its simplicity and productivity, it has the potential for industrial use. It is a radial swaging of rods or tubes, which results in decreasing of their diameter. Influence of this method is researched on extruded rods made of magnesium alloy AZ31. Experiments are made on five samples of different degree of swaging (different diameter). This allows to research gradual evolution of properties during the swaging. Results show significant positive influence on grain size (and microstructure in general) of originally extruded rod. During swaging there is an evolution of material texture and increase in strength.
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Mechanical and physical properties of magnesium alloys prepared by rotary swaging
Škraban, Tomáš ; Drozd, Zdeněk (advisor) ; Mathis, Kristián (referee)
in english For their positive influence on mechanical and physical properties of the material, methods of severe plastic deformation are popular for quite some time today. Rotary swaging is one of them. With its simplicity and productivity, it has the potential for industrial use. It is a radial swaging of rods or tubes, which results in decreasing of their diameter. Influence of this method is researched on extruded rods made of magnesium alloy AZ31. Experiments are made on five samples of different degree of swaging (different diameter). This allows to research gradual evolution of properties during the swaging. Results show significant positive influence on grain size (and microstructure in general) of originally extruded rod. During swaging there is an evolution of material texture and increase in strength.
|
|
|
Cermets
Salcburger, Martin ; Kalivoda, Milan (referee) ; Humár, Anton (advisor)
This bachelor´s thesis is focused on materials based on cermets which are designed for the machining of components. The first part describes a short classification and charasteristics of cutting materials used in machining. Second part is focused on the history of development of the cermets, their structure, production, chemical and mechanical properties. The current condition of range of the most known producers of cutting materials is described in the last part of this thesis.
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