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Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 101 až 120 z 151
Boček, Jakub
Zvýšení korozní odolnosti laserem navařeného prášku na bázi NiCrSiB legováním práškové směsi antikorozními prvky

The diploma thesis deals with laser cladding technology and its application in cladding of corrosion resistant coatings. It also deals with corrosion resistance of corrosion resistant layers and corrosion resistance testing. In the experimental part, the influence of alloying molybdenum on t...

Růžička, Tomáš
Technologie lití nízkotlakých odlitků a optimalizace výrobního procesu

The main task of this diploma thesis was to propose measures leading to the conversion casting of the compressor housing for the CNG filling station into series production at the company MOTOR JIKOV Slévárna a. s., division Pressure foundry. This part is produced by low-pressu...

Vlasák, Jakub
Vývoj mikrostruktury žáropevných ocelí během klasických a zrychlených zkoušek tečení

The goal of this thesis is to compare microstructure of samples used for conventional and accelerated creep tests, which should simulate the same degree of the material degration. Samples were machined from a trial dissimilar weld joint of the rotor made of the COST FB2 a...

Kareš, Michal
Tenké vrstvy na pístní kroužky

This diploma thesis aims to define terms like piston rings and its characteristics, focusing mainly on surface adjustments used in connection with piston ringhs. The experimental part of the thesis deals with comparsion of selected properties of chromium-based surface treatments currently in...

Čubrová, Jana
Simulace procesů zápustkového kování pomocí materiálově-technologického modelování

The diploma thesis deals with the possibility of using of the method of material-technological modelling for simulation and optimization in the field of closed die forgings production. The aim of the thesis was to analyse the real production process of forgings including the subseq...

Elmanová, Andrea
Vliv interkritického tepelného zpracování na mechanické vlastnosti a mikrostrukturu oceli 1.4107

The diploma thesis deals with the influence valuation of gradual repetition of different cycles during cast steel heat treatment for the production of high pressure body of steam turbines. These cycles should simulate the impact of possible repeated heat treatment after welding.The...

Palán, Marek
Oprava primárního kolektoru parního generátoru JE typu VVER 440MW svařováním

The thesis is concerned with the issues of repairing damaged heads of primary collectors of steam generators. In the exordium a current technology of repairing, which consists of replacement of head of primary collector performed by manual way through welding with methods 141 and&#...

Michálek, Martin
Návrh a ověření postupů tepelného zpracování materiálů používaných v energetice dle požadovaných vlastností

This diploma work is about heat treatment of Ductil iron. The aim of this work is reach required properties of ductil iron after designed heat treatment cycle. The aim of designed heat treatment cycle is reduce hardness of ductil iron and have ferit and perlit ratio ...

Zikmund, David
Laserové svary vysokopevných ocelí a jejich chování při cyklickém zatěžování

This thesis deals with finding options of using AHSS in laser-welded cyclically loaded crankshafts , finding and optimizing parameters for laser welding of the crankshafts , which replace the forged crankshaft.

Nováková, Michaela
Vliv deformace na korozní odolnost kovových materiálů

The diploma thesis discuss the influence of deformation on the corrosion properties of the material. The aim was monitoring of changes corrosion properties due to different tensile stresses. Experimental part was focused on corrosion propertios of steel 1.4301 and titanium. Experiment ...

Navrátil, Ladislav
Termická analýza a velikost zrna primárního křemiku v hliníkové eutektické slitině KS 1275 v závislosti na změně poměru vratného materiálu v tavbě

The thesis deals with the size of primary silicon grains depending on the proportion of recyclable material (scrap) in the melt using thermal analysis, and image analysis. Thermal analysis is also used to compare the actual cooling curves with the theoretical cooling curve obtained...

Minárik, Martin
Kompletní návrh technologie výroby zápustkového výkovku turbinové lopatky

This thesis is focused on determination of technology of closed-die forging of forging turbine vane. The designed technology regards the technological equipment of the company Czech Precision Forge a.s. Within the scope of technological process was designed shape of the forging turbine ...

Jurek, Martin
Optimalizace výrobního procesu zápustkového výkovku ojnice

This thesis is aimed at usage of numerical modelling for process of simulation in closed-die forging of connection rod. The aim was: to make optimization of the preform shape on the basic of results of simulation of current industrial process to prevent creations of laps, ...

Glusa, Tomáš
Studium struktury a vlastností svarových spojů pro turbíny s ultra super kritickými parametry páry

Master thesis deals with materials for ultra super critical steam parameters, modern heat resistant steels COST F and COST FB2. This document traces its evolution and strengthening mechanisms needed to obtain an appropriate feature. It describes methods for obtaining weld quality. It in...

Šorm, Martin
Pulsní laserová depozice nanostruktorovaných biomateriálů na bázi titanu a hydroxyapatitu

The aim of thesis is attempt to create a new surface layers using pulsed laser ablation in vacuum and in water. For the preparation of these layers were used titanium, titanium oxide, hydroxyapatite or nanodiamond. Layer formed by this method could serve as the implant su...

Jirka, Tomáš
Srovnání způsobů cementace používaných v praxi

This diploma thesis dissert of comparison of three types of carburizing (pack carburizing, gas carburizing and low pressure carburizing) on basis of microstructure analyzis, distortion, residual stress and abrasion rezistence.

Suchý, Čestmír
Kompozitní bezproudé Ni povlaky

Submitted diploma thesis deals with the development and testing of composite electroless Ni-P coatings with possible application for the functional surfaces. In the first theoretical part the problems of the electroless plating, finding suitable filler, preparation of the bath, surfaces preparati...

Janeček, Jiří
Korozní vlastnosti slinutých karbidů

The aim of this thesis was to determine the corrosion behavior of sintered carbides depending on the binder, grain size, residual stress in the sample and used corrosion enviroment. The samples of sintered carbides were investigated by using anodic polarization method. For investigation...

Veselý, Jakub
Vliv korozního prostředí na únavu lepených spojů

Diploma thesis contains a general theory of fatigue metallic polycrystalline materials, its testing and consequences. The theoretical part also focuses on fatigue generally, fatigue of bonded joints, then separately corrosion and bonding theory. The practical part describes the procedure for join...

Palán, Jan
Měření zbytkových napětí povrchů ve vazbě na technologii přípravy

The diploma thesis discusses about the residual stress of cemented carbides. The aim was to monitor the manufacturing process and determine the cause of damage of deposited cutting tools. Residual stress was measured by using the X-ray diffraction.

Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 101 až 120 z 151