National Repository of Grey Literature 19 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Hardness testing of metallic materials
Dufková, Hana ; Věchet, Stanislav (referee) ; Němec, Karel (advisor)
The aim of this thesis is to define and describe the hardness of material, possibilities of its testing, including the history and development of individual tests of hardness. The practical part of this work consists of the application of some of these tests on selected samples, including the evaluation of the results.
Test hardness in the conditions of engineering company.
Duba, Hynek ; Madaj, Martin (referee) ; Kalivoda, Milan (advisor)
This Bachelor thesis gives brief survey focused on the most used methods of hardness testing. It also focuses on using these methods in practice and research on conducting these methods in the Jihlava region. It also includes comparison between large and small companies regardiong using the methods
Hardness measurement of metal materials
Trčka, Tomáš ; Kandus, Bohumil (referee) ; Podaný, Kamil (advisor)
The hardness is the mechanical property of each metal material that affects his behaviour. There are many methods of measurement. Each method has its advantages, shortcomings and possibilities of use. The best known tests are according to Brinell, Vickers and Rockwell. The newer methods with portable hardness tester are UCI, TIV and the dynamic method by Leeb. The tests are carried out by mechanical pressure load using the impact body (indenter) of the harder material than the test material. The experimental measurement was executed on the three types of cutting inserts with different nominal hardness made from cemented carbides using the Vickers method with the load of 10 kp and 30 kp. The highest value of hardness was measured on the cutting insert SMG02 - 1988 HV10.
Hardness and scratch resistance measurement using universal tribometer
Urbášek, Jan ; Galas, Radovan (referee) ; Omasta, Milan (advisor)
This bachelor thesis deals with a hardness and scratch resistance measurement. These tests are normally performed using special devices. From a design point of view, these tests can also be performed using universal tribometers, but they do not have implemented tools for subsequent measurement evaluation. The main goal of the work was to develop a methodical procedure including evaluation of these tests. The methodological procedures were subsequently verified by several experiments.
Test hardness and application on the conditions of engineering company.
Černohousová, Pavla ; Madaj, Martin (referee) ; Kalivoda, Milan (advisor)
The aim of this thesis is in the first part theoretical part clearly describe the development, types and basic principles of hardness tests. The practical part consists of some of these tests applied to the collected samples. The results are then processed and evaluated.
Hardness measurement
Tušla, Jan ; Šlais, Miroslav (referee) ; Podaný, Kamil (advisor)
Hardness is one of the most important properties of materials. For measurement and evaluation of hardness exist a number of methods. Each has its own rationale, applicability, advantages and disadvantages. The most frequently used tests of measuring hardness are indentation methods (Brinell, Vickers, Rockwell, Knoop), rebound methods (Leeb) and scratch methods (Martens).
Measuring hardness and final data base management in condition firm Wera Werk GmbH.
Čelechovský, Martin ; Polzer, Aleš (referee) ; Kalivoda, Milan (advisor)
This thesis presents a brief overview of the most frequently used hardness measurement methods. It describes the condition and the functionality of the laboratory, focusing on metal hardness tests within the Wera Werk operations. It also deals with automation in the area of hardness measurement and the use of electronic systems for measured data processing with subsequent electronic archiving.
Measuring hardness and final data base management.
Macháč, Miroslav ; Dvořák, Jaromír (referee) ; Kalivoda, Milan (advisor)
This work is focussed on analysis of hardness tests and methods of evaluating the measured values. Theoretical and practical part emphasizes on testing iron materials, with the help of the most practically used methods. In practical part was executed Jominy test.
Measuring hardness and final data base management.
Kopřiva, Antonín ; Píška, Miroslav (referee) ; Kalivoda, Milan (advisor)
The aim of this thesis is to present basic hardness tests with paying atten-tion to evaluation of these tests. A few kinds of materials will be chosen, on which convenient hardness tests will be realized.
Hardness and scratch resistance measurement using universal tribometer
Urbášek, Jan ; Galas, Radovan (referee) ; Omasta, Milan (advisor)
This bachelor thesis deals with a hardness and scratch resistance measurement. These tests are normally performed using special devices. From a design point of view, these tests can also be performed using universal tribometers, but they do not have implemented tools for subsequent measurement evaluation. The main goal of the work was to develop a methodical procedure including evaluation of these tests. The methodological procedures were subsequently verified by several experiments.

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