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Purpose: This study presents the residual stress analysis for the twist extrusion (TE) process after the experiment and numerical simulation and the analysis of the crystallographic texture changes and changes in hardness before and after the TE process for an RSA-501 aluminium alloy (Al; Mg5%; Mn1.5%; Sc0.8%; Zr0.4%). Design/methodology/approach: Crystallographic textures were obtained with the PANAlytical...
The location of a hole during the welding of aluminium has an influence on the residual stresses. 2D FEM model of the welded plate, lying on the surface of welded sheets, was used. The calculations were done with ANSYS in two phases, thermal and mechanical calculations of deformations and stresses, with non-linear, temperature dependent material properties. Different locations of the hole were used...
The paper presents a computer system dedicated to simulation of the TIG welding process. The main functionality of the system, i.e. support and facilitation of design of welding technology, will be obtained through flexible combination of the modular architecture of the numerical library and optimization procedures. The TIG heat source model and a structure of a computer system is described. The analysis...
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