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Friction welding of materials
Chrást, Daniel ; Sigmund, Marian (oponent) ; Mrňa, Libor (vedoucí práce)
The work deals with the examination of welds made of AISI 316L and TI GR2 materials. These welds were formed by rotary friction welding. The first part of the work consists of a literature review and state of the art of rotary friction welding state of the art. The second part of the work presents the results of welded joints examination. The macrostructure, microstructure, microhardness in all areas of the welded joint was examined, the materials passed the test of chemical composition and the welded joint was subjected to a tensile test.
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Analysis of Inconel 625 weld layer produced by MIG-CMT
Chrást, Daniel ; Slováček, Marek (oponent) ; Kubíček, Jaroslav (vedoucí práce)
Inconel 625 to 16Mo3 base material welds are used in energy industry in waste incineration plants to increase lifetime of membrane walls. The welds are formed using MIG-CMT method. Macrostructure and microstructure analyses were carried out using Apreo 2 SEM microscope, and chemical composition analysis of welds was also carried out using iSpark OES spectrometer. Finally, analyses of selected mechanical properties, namely microhardness and ductility, were performed.
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Friction welding of materials
Chrást, Daniel ; Sigmund, Marian (oponent) ; Mrňa, Libor (vedoucí práce)
The work deals with the examination of welds made of AISI 316L and TI GR2 materials. These welds were formed by rotary friction welding. The first part of the work consists of a literature review and state of the art of rotary friction welding state of the art. The second part of the work presents the results of welded joints examination. The macrostructure, microstructure, microhardness in all areas of the welded joint was examined, the materials passed the test of chemical composition and the welded joint was subjected to a tensile test.
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