Technológ - Ročník 16.; Číslo 4/2024

Permanent URI for this collectionhttps://drepo.uniza.sk/handle/hdluniza/1174

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Subject: search.filters.subject.mechanical properties

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    Zmena mechanických vlastností vybraných materiálov aplikáciou povrchového kalenia
    (University of Žilina, 2024) Fabian, Peter; Jaššo, Martin; Pastirčák, Richard
    Comparing the mechanical characteristics of steel used in the weapons sector to make barrels for short, small arms is the study's goal. The heat treatment of representative samples resulted in their hardening, surface hardening to a specific layer thickness, and tempering. It has not yet been thoroughly examined how the thickness of the hardened layer affects the modification of the mechanical characteristics of the chosen materials. Surface hardening is widely regarded as one of the methods for producing a resistant core and a hard surface on a component. Nonetheless, the overall material's mechanical characteristics alter in tandem with the layer's thickness. The outcomes of this study will also be useful for the induction heat treatment of other similar material components.
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    Vplyv teploty formy na vybrané vlastnosti AlSi5Cu2Mg
    (University of Žilina, 2024) Kantoríková, Elena
    Currently, high demands are placed on the costs associated with the production of products, therefore it is advisable to know the individual characteristics of materials that are used in industry. The article deals with the influence of mold temperature on the mechanical properties of aluminium alloy. By knowing the characteristics of individual materials, it is possible to effectively design and manufacture equipment that will be safe and suitable for the given application. In many cases, aluminium alloys are offered as a solution, which are considered innovative construction materials, mainly because of the perfect combination of their properties.
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    Tepelné spracovanie nástrojových ocelí
    (University of Žilina, 2024) Fabian, Peter
    The article describes the importance of heat treatment of tool steels, referred to as class 19. To obtain the required properties of steels, their chemical composition alone is not enough. An irreplaceable role is also played by subsequent processing, be it thermal, chemical, or a combination chemical-thermal or thermo-mechanical processing. With the right settings processing, the desired properties are achieved, and the service life of the steel is also increased.