Application of Light Metal Alloy EN AW 6063 to Vehicle Frame Construction with an Innovated Steering Mechanism

Blatnický, Miroslav; Sága, Milan; Dižo, Ján; Brůna, Marek

doi:10.3390/ma13040817

Cited by 29 publications

(44 citation statements)

References 43 publications

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“…A welded joint was implemented into these specimens. The area of creating the weld was solved in the article [ 32 ]. The measured cycle numbers of each loading level were processed into the Manson−Coffin curve ( Figure 24 ).…”

Section: Analysis Of Resultsmentioning

confidence: 99%

“…The input parameters of the tested material were experimentally detected from the tensile strength diagrams published in [ 32 ]. For illustration, the authors present other calibration curves of the welded tested material EN AW 6063 ( Figure 16 ; Figure 17 ).…”

Section: Methodsmentioning

confidence: 99%

“…That is why the authors have designed a special testing device ( Figure 2 ). It enables the testing of specimens of the given structure material in a uniaxial way (by bending and torsion) and also multiaxially with a combination of these loads [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

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Experimental Determination of the Manson−Coffin Curves for an Original Unconventional Vehicle Frame

et al. 2020

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This article is divided into two parts—in the first part, authors inform about their testing device that enables the acquisition of results from uniaxial and multiaxial fatigue tests (the bending−torsion combination). We present the approaches used during designing and building the testing device. The direct implementation of the research in the second part will concentrate on implementing the acquired results for the frame design of a vehicle worked out by the authors. The three-wheeled vehicle has the front steered wheel suspended in an unconventional way. This original design can cause an increased load on the vehicle’s frame. This can be apparent mainly during driving through curves. Therefore, the fatigue curves of the tested material (EN AW 6063) will be implemented from the point of view of its usability in operation. A vehicle frame is most often loaded by bending and torsion. The authors assess the influence of welding on the fatigue life of this unique unconventional vehicle by determining the fatigue curves of the material for its production. The stresses achieved on the test specimens fully correspond to the load of the frame (in welds) during its operation.

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Section: Analysis Of Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Experimental Determination of the Manson−Coffin Curves for an Original Unconventional Vehicle Frame

et al. 2020

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“…Hydrogen mainly affects constantly, and in this respect this phenomenon is well-explored, and taken into account during the processes that involve them [1][2][3][5][6][7]. However, aluminum alloys have been increasingly applied in recent decades [8][9][10][11][12][13][14][15]. They are employed in boat and ship designs, in aviation, astronautics, and in automotive industries, as well as in bridge structures and many other applications.…”

Section: Introductionmentioning

confidence: 99%

Effect of Hydrogen and Absence of Passive Layer on Corrosive Properties of Aluminum Alloys

Włodarczyk

2020

Materials

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This paper reports the results of research on the effect of hydrogen permeation and the absence of passive layers on the variations in the corrosive properties of aluminum alloys. The study demonstrated that such variations contribute to the deterioration of corrosive properties, which in turn contributes to shortening the reliability time associated with the operation of aluminum alloy structures. The analysis involved structural aluminum alloys: EN AW-1050A, EN AW-5754, and EN AW-6060. It was demonstrated that the absorption of hydrogen by the analyzed alloys led to the shift of the electrode potential to the negative side. The built hydrogen corrosion cells demonstrate in each case the formation of electromotive force (EMF) cells. The initial EMF value of the cell and its duration depends on the duration of hydrogenation. As a result of removing the passive layers, the electrode potential also changes to the negative side. Following the removal of the passive layer from one of the electrodes, the cells also generated a galvanic (metal) cell. The duration of such a cell is equivalent to the time of restoration of the passive layer. The formation of such hydrogen and metal galvanic cells changes the electrochemical properties of aluminum alloys, therefore deteriorates the corrosive properties of aluminum alloys.

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“…Concerning the welding process, FE models enable virtual examination of the welding process [21] where the thermal cycle causes residual stresses and structural distortion of the affected parts. A review of different FE methods applied to welding processes is done by Marques et al in [22].…”

Section: Introductionmentioning

confidence: 99%

Finite Element Validation of an Energy Attenuator for the Design of a Formula Student Car

López-Campos¹,

Baldonedo²,

Suárez³

et al. 2020

Mathematics

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Passive safety systems of cars include parts on the structure that, in the event of an impact, can absorb a large amount of the kinetic energy by deforming and crushing in a design-controlled way. One such energy absorber part, located in the front structure of a Formula Student car, was measured under impact in a test bench. The test is modeled within the Finite Element (FE) framework including the weld characteristics and weld failure description. The continuous welding feature is almost always disregarded in parts included in impact test models. In this work, the FE model is fully defined to reproduce the observed results. The test is used for the qualitative and quantitative validation of the crushing model. On the one hand, the acceleration against time curve is reproduced, and on the other hand, the plying shapes and welding failure observed in the test are also correctly described. Finally, a model that includes additional elements of the car structure is also simulated to verify that the energy absorption system is adequate according to the safety regulations.

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Application of Light Metal Alloy EN AW 6063 to Vehicle Frame Construction with an Innovated Steering Mechanism

Cited by 29 publications

References 43 publications

Experimental Determination of the Manson−Coffin Curves for an Original Unconventional Vehicle Frame

Experimental Determination of the Manson−Coffin Curves for an Original Unconventional Vehicle Frame

Effect of Hydrogen and Absence of Passive Layer on Corrosive Properties of Aluminum Alloys

Finite Element Validation of an Energy Attenuator for the Design of a Formula Student Car

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