Apr 6, 2020   2:30 p.m. Irena
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prof. Ing. Pavol Sejč, PhD.
Identification number: 2300
University e-mail: pavol.sejc [at] stuba.sk
 
Profesor CSc.,PhD. - Institute of technologies and materials (FME)
 
External colleague - Institute of Production Technologies (MTF)

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Basic information

Basic information about a final thesis

Type of thesis: Diploma thesis
Thesis title:Secondary protection of the weld joint during welding of steels T24, P91, P92.
Written by (author): Ing. Juraj Záhorský
Department: Institute of technologies and materials (FME)
Thesis supervisor: prof. Ing. Pavol Sejč, PhD.
Opponent:Ing. Zuzana Gábrišová, PhD.
Final thesis progress:Final thesis was successfully defended.


Additional information

Additional information about the final thesis follows. Click on the language link to display the information in the desired language.

Language of final thesis:Slovak

Slovak        English

Title of the thesis:Secondary protection of the weld joint during welding of steels T24, P91, P92.
Summary:The thesis deal with the secondary protection of weld root of pipe systems for steam power equipment made of steel type T24, P91 and P92. Next, the work deals with the influence of residual oxygen in an inert atmosphere and its impact to welded joints. In the experimental part, a simulation of blowing inert gas was performed into the pipeline at various flow rates. Based on this it was proposed a sufficient implementation of secondary protection of weld root in assembly conditions. Evaluation of secondary protection and its impact to the quality of the weld joins was performed with three weld tests made in different load conditions of secondary protection.
Key words:secondary protection, inert gas, weld joint, root of weld joint

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Parts of thesis with postponed release:

Final thesis (final thesis appendices) unlimited
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