FG Füge- und Schweißtechnik
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- Laser welding Dissimilar joint Heat source model Finite element analysis Thermal simulation Weld shape (1)
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- Three-dimensional printing, Macro-cellular SiSiC, complex shaped ceramic composites (1)
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- structured sheet metals, ssm, tensile test, ARAMIS, strain gauge, EBSD, REM, electron microscopy, DC04 steel (1)
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Institute
Rollennahtelektrode
(2017)
Eine Rollennahtelektrode zur Verwendung beim Rollennahtschweißen umfasst eine segmentförmige Elektrodenfläche (2) zur Anpressung der zu verbindenden Bauteile und zur Einleitung des Schweißstroms und der Schweißspannung. Die Elektrodenfläche (2) ist derart dreieckförmig oder mäanderförmig oder zueinander beabstandet ausgebildet, dass in der ebenen Abwicklung der Elektrodenfläche (2) ein Zickzack-Muster oder ein Wellen-Muster oder ein Steppnaht-Muster oder ein Rechteck-Muster vorliegt.
Application of macro-cellular SiC reactor to diesel engine-like injection and combustion conditions
(2012)
The work deals with the elastic-plastic thermo-mechanical deformation process after spot heating of large thin plates. It promotes a new theoretical model of the process. The main target is to clarify the kinetics of the plastic strain formation during thermal straightening and to explore the main interactions. For this purpose, a simplified mechanical problem is formulated and applied. As a result, definite thermo-mechanical relations between temperature, initial strain, and accumulated plastic strain are obtained. Finally, a verification study is presented and discussed. The results contribute to extending the knowledge about the process and to establishing a theoretical background for development of applied analytical or analytical-numerical approaches for practical use in the designing and planning phases in welding production. An application to a particular case is described in an accompanying paper (part 2).