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Influence of technological process of powder painting on the quality of silver-plated components in gas insulated substation - GIS
Nováková, Eliška ; Prosecký, Vít (referee) ; Kubíček, Jaroslav (advisor)
The thesis deals with the topic of silver coating on the inner surface of the tubes made of aluminum alloy EN AW-6101B. The high affinity of the aluminum for the oxygen, the heterogeneity of the surface and the presence of the hydrogen in the base material, are the properties which hinder the formation of metallic coating on the surface of the aluminum alloy. The saturation of the base material with the hydrogen, e.g. due to the pretreatment of the surface or by the process of creating of coatings, may under certain conditions cause the defects of the silver coating in the form of the bubbles (blisters). Other factors that may affect the quality of the silver coating are the way of creating of the interlayer and the conditions for the electrolytic deposition of the silver.
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Production processes in the electroplating plant
Kocour, Max ; Prosecký, Vít (referee) ; Juřica, Pavel (advisor)
The bachelor’s thesis focuses on reducing scrap and at the same time on reducing the avarage time of processes in a selected company that operates in the field of industrial chemistry and surface treatment. The first part of the thesis focuses on the theoretical background, which is related to the practical part of the work. The practical part then describes the current state of the company and its analysis, which reveals weaknesses (shortcomings). Measures are then proposed for weaknesses, which should reduce the shortcomings. The last part describes the benefits of these measures.
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Production processes in the electroplating plant
Kocour, Max ; Prosecký, Vít (referee) ; Juřica, Pavel (advisor)
The bachelor’s thesis focuses on reducing scrap and at the same time on reducing the avarage time of processes in a selected company that operates in the field of industrial chemistry and surface treatment. The first part of the thesis focuses on the theoretical background, which is related to the practical part of the work. The practical part then describes the current state of the company and its analysis, which reveals weaknesses (shortcomings). Measures are then proposed for weaknesses, which should reduce the shortcomings. The last part describes the benefits of these measures.
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Influence of technological process of powder painting on the quality of silver-plated components in gas insulated substation - GIS
Nováková, Eliška ; Prosecký, Vít (referee) ; Kubíček, Jaroslav (advisor)
The thesis deals with the topic of silver coating on the inner surface of the tubes made of aluminum alloy EN AW-6101B. The high affinity of the aluminum for the oxygen, the heterogeneity of the surface and the presence of the hydrogen in the base material, are the properties which hinder the formation of metallic coating on the surface of the aluminum alloy. The saturation of the base material with the hydrogen, e.g. due to the pretreatment of the surface or by the process of creating of coatings, may under certain conditions cause the defects of the silver coating in the form of the bubbles (blisters). Other factors that may affect the quality of the silver coating are the way of creating of the interlayer and the conditions for the electrolytic deposition of the silver.
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