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A process simulation is performed for an industrially pultruded rectangular hollow profile containing both unidirectional (UD) roving and continuous filament mat (CFM) layers.
For extrusion of hollow profile with asymmetric cross-section, existing FEM software cannot simulate the influence of divergent and welding on the metal flowing behaviors, because it is inability to deal with meshes separation and penetration during welding.
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In particular, we obtained octahedral Fe2O3 with star-shaped voids as well as spherical Co3O4 with hollow profiles.
In applications such as the secondary structural members used in facade structures the cross-sections consist of thin-walled aluminium hollow profiles.
Here, the focus was placed on the development of dies for the extrusion of open and hollow profiles with variable wall thickness.
A mesh-reconstruction technology based on the reverse engineering is proposed in this paper, and extrusions of Al-alloy hollow profiles with various cross-sections are simulated.
The technique is applied to beech (Fagus sylvatica L). to produce relatively thin walled, hollow profiles of structural size for building purposes.
Both continuous and discrete (discontinuous) numerical models can be used to simulate the material processes as well as dynamic performance of these lightweight hollow profiles where an efficient discretized numerical model can be developed.
Solid-state bonding is an important problem in hot extrusion process of aluminum alloy profiles, especially for hollow section profiles.
Recently, large lattice space structural systems using specially-designed hollow lightweight profiles have been developed and manufactured for roadside and gantry systems.
This paper presents a study of the fatigue properties of welded connections in extruded aluminium hollow section profiles based on the use of the hot spot stress method.
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