Mechanical investigation of in-situ produced aluminium matrix syntactic foam-filled tubes

Leveles, Borbála; Kemény, Alexandra; Szijártó, Anna

doi:10.1016/j.matpr.2020.12.161

Cited by 10 publications

(6 citation statements)

References 13 publications

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“…Venkat Chillaet al conducted compression and bending experiments on empty highpressure tubes, non-in situ aluminum foam-filled tubes, and in situ aluminum foam-filled tubes; the specific energy absorption of in situ aluminum foam-filled tubes increased by 61% and 10% compared with the empty and non-in situ aluminum foam-filled tubes, respectively [23]. The superior mechanical absorption capacity of foam aluminum-filled tubes compared with metallic foam and empty tubes is due to the formation of a boundary layer between the tube wall and the foam aluminum [24]. Therefore, the performance of aluminum foam-filled tubes not only derived from the thin-walled tubes and the aluminum foam, but also from the additional forces, confirming the interactions between the aluminum foam and the thin-walled tubes.…”

Section: Introductionmentioning

confidence: 94%

Experimental and finite element simulation study of the mechanical behaviors of aluminum foam-filled single/double tubes

Zhao

Cao²,

Li³

et al. 2023

Mater. Res. Express

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Aluminum foam-filled tubes are complicated structures created by filling one or more thin-walled metal tubes with varying shapes in cross-sections with aluminum foam. We optimized the structure of aluminum foam-filled tubes using software simulation, compression, and three-point bending experiments. Filling aluminum foam not only improves the axial compressive performance and bending strength of the thin-walled metal tube but also eliminates the disadvantage of the low strength of the aluminum foam. The aluminum foam-filled single tube exhibited significant improvements in load-bearing and energy absorption, with a one-time increase in load-bearing and five times increase in energy absorption compared with an empty tube. The aluminum foam-filled single tube with a smaller diameter-to-thickness ratio has a higher load-bearing capacity. In contrast, the length-to-diameter ratio has a lower impact on load-bearing capacity. Once the filling length reaches the effective filling length, the structure can still support higher loads and effectively reduce its overall weight. The compression and bending properties in the double-tube structure filled with foam aluminum improved significantly compared with the empty tube and single-tube structure filled with aluminum foam. The total compressive energy absorption capacity in the double-tube structure filled with aluminum foam is 2.01 times that of the empty tube and 1.81 times that in the single-tube-filled structure. When the wall thickness of the filled stainless steel tube is 1.0 mm, the total bending energy absorption and the specific absorption energy of the aluminum foam-filled double tube structure are 1.5 and 2.1 times that of the corresponding aluminum foam-filled single tube, respectively.

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Section: Introductionmentioning

confidence: 94%

Experimental and finite element simulation study of the mechanical behaviors of aluminum foam-filled single/double tubes

Zhao

Cao²,

Li³

et al. 2023

Mater. Res. Express

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show abstract

“…The results showed that the energy absorption ability of foam-filled tubes can reach a maximum value of 90% when the foam core was fabricated under 0.30 MPa. Leveles et al [29] studied the mechanical investigations of in-situ produced AlSi12 aluminum alloy matrix syntactic foam-filled tubes. The results showed the best specific mechanical energy absorbing capacity in the case of foam-filled tubes.…”

Section: Introductionmentioning

confidence: 99%

Study on mechanical properties of an isotropic negative Poisson’s ratio Voronoi foam and its foam-filled tube

Shen

2022

Smart Mater. Struct.

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Based on a modified Voronoi tessellation technique, a series of isotropic negative Poisson's ratio (NPR) Voronoi foam models were proposed via finite element method (FEM). And the proposed models were prepared by reverse modeling method. Poisson's ratio and stress-strain relationship of the proposed models were studied via FEM and experimental method. Results showed that the structure exhibited negative Poisson's ratio and isotropic behavior. With the increased of the relative density of the model, the absolute value of Poisson's ratio decreased gradually. The results of FEM and experiment showed good consistency. Then, a foam-filled structure was built by filling the proposed NPR Voronoi foam into a square tube. And its energy absorption ability was studied and compared with an isotropic chiral lattice foam-filled tube. Results showed that the energy absorp-tion ability of the proposed NPR Voronoi foam-filled structure was 11% higher than that of the isotropic NPR chiral lattice foam-filled tube with the same relative density. The research was ex-pected to be meaningful for the further research and application of the isotropic NPR foam.

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“…Orbulov et al showed that using EC nodules could reduce economic costs and potentially synthesize ASFs for the transport industry [ 23 ]. Subsequently, Kemeny et al and Leveles et al [ 24 , 25 , 26 ] demonstrated that using EC-ASF (AlSi12) as filler of an AlMgSi0.5 tube (ASF-FFT) improves the compressive performance. Furthermore, it was found that ex-situ filled tubes and bimodal ASF-FFT embedding EC in different sizes (2.5–3 and 3.5–4 mm) with the same volume ratio enhance the mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

New Aluminum Syntactic Foam: Synthesis and Mechanical Characterization

et al. 2022

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Metal matrix syntactic foams (MMSF) are advanced cellular materials constituted by a system of a minimum of two phases, in which a dispersion of hollow particles is embedded by a continuous metal matrix. The incorporation of porous fillers favors the development of low-density materials with exceptional behavior for damping vibrations, impacts, and blast effects, shielding acoustic, thermal, and electromagnetic energies. There are three main techniques to produce them: infiltration casting technique (ICT), stir casting technique (SCT), and powder metallurgy technique (P/M). The first two techniques are used for embedding filler into lower melting point metallic matrices than fillers, in contrast to P/M. The present study demonstrates the feasibility of producing MMSF with components of similar melting points by ICT. The fillers were synthesized in-situ with aluminum and a natural foaming agent from wastes of Spanish white marble quarries. These novel aluminum syntactic foams (ASF) were mechanically characterized following the ISO-13314 and exhibited a porosity, plateau stress, and energy absorption capacity of 41%, 37.65 MPa, 8.62 MJ/m3 (at 35% of densification), respectively. These properties are slightly superior to equal porosity LECA ASF, making these novel ASF suitable for the same applications as LECA-ASF.

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Mechanical investigation of in-situ produced aluminium matrix syntactic foam-filled tubes

Cited by 10 publications

References 13 publications

Experimental and finite element simulation study of the mechanical behaviors of aluminum foam-filled single/double tubes

Experimental and finite element simulation study of the mechanical behaviors of aluminum foam-filled single/double tubes

Study on mechanical properties of an isotropic negative Poisson’s ratio Voronoi foam and its foam-filled tube

New Aluminum Syntactic Foam: Synthesis and Mechanical Characterization

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