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The quality of welded joints of iron alloys - the causes of defects and the consequences of their presence
Korábová, Vendula ; Juliš, Martin (referee) ; Klakurková, Lenka (advisor)
The aim of the bachelor thesis is to become familiar with the standards mapping the quality testing of welded joints and the follow-up application of these standards in solving a case study. The theoretical part describes welding methods, changes in the microstructure of the welded joint depending on temperature, heat dissipation rate and heat treatment. A major part is devoted to the mapping of standards describing destructive and non-destructive testing of welded joints. The experimental part deals with a comprehensive analysis of three case studies. The contents are components with localized failure in the welded joint. Emphasis is placed on determining the cause of the damage based on analyses of chemical composition, microstructure and hardness measurements.

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