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Interaction of adhesive tapes with surfaces of structural aeronautical alloys
Matlák, Jiří ; Tulka,, Jaromír (referee) ; Molliková, Eva (advisor)
This work deals with the selection of the most appropriate adhesive tape, which one perfectly adheres to the surface of sheet, which is made of dural coated with aluminum in 99,5 % purity, and to the dural angle without surface treatment. The tape is expected to be de-cohesion and disruption resistant during the application of complex coating system to protect the materials in air traffic against corrosion, and smoothly removal of the treated material without affecting the surface. Twelve types of commercially available adhesive tape were tested, and the most appropriate one was chosen after extensive experiment and photographic documentation.
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Analysis of adhesives in general engineering
Trhoň, Vojtěch ; Kovář, Petr (referee) ; Kubíček, Jaroslav (advisor)
This bachelor thesis is concerned with analysis of adhesives in general engineering and it is focusing on the partition of adhesives according to curring and usability. Positive and negative mechanical stress of glued joints are characterised here. The technologic process of gluding side panels of tram is elaborated in the end of this bachelor thesis.
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Fiber reinforcements for polymer composites
Knob, Antonín ; Grégr, Jan (referee) ; Čech, Vladimír (advisor)
The bachelor thesis is concerned with an influence of surface modification of fibrous reinforcements on mechanical properties at the fiber-matrix interface in fiber-reinforced polymer composites. Polyester resin was used as a matrix, glass and carbon fibers were the reinforcements. The composite sample consisted of polymer matrix in a form of cylindrical body placed on a bundle of fibers. Untreated fibers and fibers with a commercial sizing were used for fabrication of composite samples. The tensile test using a materials testing machine (Zwick) was employed to evaluate adhesion at the fiber-matrix interface.
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Passenger Cars Four Wheel Drive.
Hrádek, Zbyněk ; Rasch, František (referee) ; Blaťák, Ondřej (advisor)
The aim of my Bachelor´s project is to form the search describing individual drive concepts of the all cars´ wheels. It is focused especially on the construction, working principle and usability of the particular concepts. The beginning of the thesis is interested in the the history as well as the advantages and disadvantages of this engineering solution. In the following part the most used drive concepts are described. The end of the project covers the summary of the acquired information and the consideration of how the all wheels´ drive will be developed in the following years.
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Preparation of glass fiber/polyester composites
Horská, Pavlína ; Richtera, Lukáš (referee) ; Čech, Vladimír (advisor)
The bachelor thesis is aimed at an influence of surface modifications of fibrous reinforcements on mechanical properties at the fiber-matrix interface in fiber reinforced composites. Glass fibers were used as reinforcements and polyester resin was the matrix. The sample of composite consisted of polymer matrix in a form of cylindrical body placed on a bundle of glass fibers. The tensile test using a materials testing machine (Zwick) was employed to evaluate adhesion at the fiber-matrix interface. Untreated glass fibers and fibers with commercial sizing were used for fabrication of composite samples.
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Adhesion of bituminous binders to aggregate
Vlk, Petr ; Hýzl, Petr (referee) ; Varaus, Michal (advisor)
In 2005 the revised European standard 12697-11:2005 [1] was introduced offering a choice of three different methods. The static method described in part B has some similarities with the replaced Swiss standard for the determination of the affinity between bitumen and aggregates [2] and Czech standard for adhesions of asfalt binder to aggregates ČSN 73 6161 [3]. The result of this study is to compare the static method described in the [3] and a draft changes by Swiss research project [4] with the current revision of the European Standard 12697-11: 2005.
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