20 research outputs found

    Structural optimisation of random discontinuous fibre composites: Part 2 - case study

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    This is the second paper in a two part series presenting the development of a stiffness optimisation algorithm to intelligently optimise the fibre architecture of discontinuous fibre composites. A Multi-Criteria Decision Making (MCDM) strategy is used to select parameters associated with the fibre architecture, to produce components that satisfy stiffness, cost and mass criteria. The model has been successfully demonstrated using an automotive spare wheel well geometry, which shows that a highly optimised discontinuous fibre composite solution can compete against a continuous fabric counterpart in terms of specific stiffness, whilst presenting an opportunity for significant cost reduction. This could potentially lead to the application of composite materials into new areas where cost has previously been prohibitive

    Heterogeneity of discontinuous carbon fibre composites: damage initiation captured by Digital Image Correlation

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    This paper aims to identify architectural features which lead to damage initiation and failure in discontinuous carbon fibre composites formed from randomly orientated bundles. A novel multi-camera digital image correlation system was used to simultaneously view strain fields from opposing surfaces of coupons, in order to map progression of failure. The highest strain concentrations were found to occur when the ends of fibre bundles aligned in the direction of loading coincided with underlying transverse bundles. The failure plane was observed to grow between a number of strain concentrations at critical features, coalescing sites of damage to create the final fracture surface. Although potential failure sites can be detected at low global strains in the form of strain concentrations, the strain field observed at low applied loads cannot be extrapolated to reliably predict final failure

    Updating health and safety training in metalworking for teaching purposes

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    Bakalářská práce obsahuje všechny potřebné informace ohledně BOZP. Školení studentů a zaměstnanců. Představení Fakulty strojní a Katedry technologie obrábění. Zhodnocení dosavadního stavu na KTO a návrh školení pro studenty v rámci výuky v halových laboratořích.ObhájenoBachelor thesis contains all necessary information regarding safety and health. Training students and staff. Presentation of the Faculty of Engineering and the Department of machining technology. Evaluation prior to the KTO and draft training for students in the classroom in industrial laboratories

    INDUSTRIAL VENUES IN PRAGUE

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    Qualification work Industrial venues in Prague is documenting the beginnings of cultural activities of ten converted buildings on the area of the Capital. First seven - Studio ALTA, Trafačka Gallery, Karlín Hall, Underground Venue, Hall C and DOX - are mapped closely thanks to avaliability of informations and will of theirs representatives. Three of described venues - La Fabrika, Kokpit Café and Club Blink Excelent - are for lack of data or short time of existence described only externaly. This thesis is trying to set these cultural facilities to mutual context and also to the context of Capial city Prague. In closure it sums up elements which are for their existence in common for all of them

    Nondestructive depth profiling of very thin metal layers by means of electron spectroscopic methods

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    Katedra fyziky povrchů a plazmatuDepartment of Surface and Plasma ScienceFaculty of Mathematics and PhysicsMatematicko-fyzikální fakult

    The rights and obligations of a shareholder

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    Tato diplomová práce se zabývá popisem vybraných práv a povinností akcionáře. Úvodní část se věnuje akciové společnosti z historického i současného právního hlediska a postavení akcionáře. Hlavní část práce se zabývá jednotlivým právům a povinnostem akcionáře a také právům kvalifikovaného akcionáře. Závěrečná část obsahuje komparaci s právní úpravou státu Delaware a rozbor kauzy ohledně společnosti Gamestop.ObhájenoThis diploma thesis focuses on the description of selected rights and obligations of a shareholder. The introductory part deals with the joint stock company from the historical and contemporary legal point of view and the position of the shareholder. The main part of the thesis deals with the individual rights and duties of a shareholder as well as the rights of a qualified shareholder. The final section includes a comparison with Delaware law and an analysis of the Gamestop case

    Influence of tool wear on volume of material removed

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    Diplomová práce se zabývá vlivem opotřebení na objem odebraného materiálu. Práce obsahuje základní informace o čelním frézování a frézování slitin na bázi niklu, opotřebení břitu, vzniku třísky a tepelné bilanci. V práci je zpracován experiment vlivu opotřebení na objem odebraného materiálu a rozbor vzniklých třísek. Opotřebení má vliv na objem odebraného materiálu, což bylo potvrzeno výsledky experimentu.ObhájenoThe diploma thesis deals with the influence of tool wear on the volume of material removal rate. The thesis contains basic information about face milling and milling of nickel-based alloys, tool wear, chip formation and heat balance. In the thesis was carried out an experiment of the tool wear on the volume of material removal rate and an analysis of the resulting chips. Tool wear affects the volume of material removal rate. This was prooved by the results of the carried out experiment

    The rights and obligations of a shareholder

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    Tato diplomová práce se zabývá popisem vybraných práv a povinností akcionáře. Úvodní část se věnuje akciové společnosti z historického i současného právního hlediska a postavení akcionáře. Hlavní část práce se zabývá jednotlivým právům a povinnostem akcionáře a také právům kvalifikovaného akcionáře. Závěrečná část obsahuje komparaci s právní úpravou státu Delaware a rozbor kauzy ohledně společnosti Gamestop.ObhájenoThis diploma thesis focuses on the description of selected rights and obligations of a shareholder. The introductory part deals with the joint stock company from the historical and contemporary legal point of view and the position of the shareholder. The main part of the thesis deals with the individual rights and duties of a shareholder as well as the rights of a qualified shareholder. The final section includes a comparison with Delaware law and an analysis of the Gamestop case
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