The influence of infiltration casting technique on properties of metal syntactic foams and their foam-filled tube structures

Kemény, Alexandra; Movahedi, Nima; Fiedler, Thomas; Maróti, János Endre; Orbulov, Imre Norbert

doi:10.1016/j.msea.2022.143706

Cited by 33 publications

(11 citation statements)

References 42 publications

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“…The CMF cores with random close-packed fillers were fabricated via the low-pressure infiltration method in the liquid state of the matrix, with the pre-heat temperature of 600 °C applied for 45 min, the matrix melt temperature of 800 °C and the argon gas infiltration pressure of 500 kPa, applied for 5 s. The production method has been detailed in previous publications by the authors. [34,35] As the AlSi7Mg matrix alloy and the AlMgSi0.5 hollow section material are both precipitation-hardening alloys, the T6 heat-treatment cycle was applied to increase their strength. The solution treatment temperature (500 °C) of the AlMgSi0.5 hollow sections was reached by 300 °C h À1 heat rate, and the samples were held there for 2 h. After rapid cooling, the temperature of artificial aging (200 °C) was reached by the heat rate of 200 °C h À1 , and the samples were held there for 3 h. The heat-treatment cycle of the AlSi7Mg matrix CMFs was executed with the same heating rates as the hollow sections.…”

Section: Fabrication Of Composite Foam-filled Hollow Sectionsmentioning

confidence: 99%

The Effects of Various Adhesives on Multiple Types of Quasi‐Static Mechanical Properties of Rectangular and Square Aluminum Hollow Sections Filled with Composite Metal Foam Cores

Kemény,

Pados,

Károly

et al. 2024

Adv Eng Mater

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For composite metal foam structures to be used as load‐bearing and energy‐absorbing elements, comprehensive testing should be done. Therefore, an extensive characterization of foam‐filled structures by various load types, such as axial and lateral compression, as well as three‐point bending, is carried out, aiming to differentiate the behavior of various cross‐sectional geometry foam‐filled hollow sections and the application of a tough epoxy adhesive and a ductile polysiloxane adhesive. Applying the epoxy adhesive improves the overall energy absorption by 10 % during axial compression compared to the sum of the foam and empty hollow section. The application of the polysiloxane adhesive over the epoxy one increases the deflection at failure during three‐point bending by an average of 58 %. The deformation and strength during axial compression and three‐point bending are hollow section dominated, while the foam core dominates the deformation and the strength during lateral compression for both produced composite foam‐filled hollow sections with epoxy and polysiloxane adhesive bonding.This article is protected by copyright. All rights reserved.

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Section: Fabrication Of Composite Foam-filled Hollow Sectionsmentioning

confidence: 99%

The Effects of Various Adhesives on Multiple Types of Quasi‐Static Mechanical Properties of Rectangular and Square Aluminum Hollow Sections Filled with Composite Metal Foam Cores

Kemény,

Pados,

Károly

et al. 2024

Adv Eng Mater

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“…However, among all cellular materials, metallic foams (MFs) present the best properties. Also, due to continuous development, MFs are divided into several subcategories, namely conventional, composite, syntactic, or hybrid MFs [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

The anisotropy behavior of metallic foams under Charpy impact tests

Galatanu,

Linul,

Kováčik

et al. 2024

J. Phys.: Conf. Ser.

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Currently, the automotive industry is looking for their new products to have a density as low as possible so that CO2 emissions decrease. Metallic foams have attracted a great deal of interest in this industry because of their multiple advantages. They can be produced at a relatively low cost and have advantageous properties, especially due to their ability to absorb energy. In the framework of this study, 42 specimens were tested to determine the impact energy and Charpy impact strength according to the cutting orientation. Before being notched according to the ISO 148 standard, their specific mass was determined. For the tests, an Instron CEAST 9050 Charpy test machine was used. The impact strength was determined according to the cutting orientation, and the results obtained by the mass density groups were compared. It could be observed that the cutting orientation of the specimens does not have a clear influence on the impact strength; this is due to the irregular shape of the closed cell, however, the grouping of the specimens on specific density samples has influenced the impact strength.

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“…Wan et al [20] reported open-cell aluminum foams with high porosity via the high-temperature deformation of space holders CaCl 2 . Besides, several reinforcing materials such as hollow spheres [30][31][32][33], ceramic spheres [34][35][36], polymer [37], and nanomaterials [38,39] have been added to the metal matrix applying powder metallurgy and infiltration casting method, forming metal matrix syntactic foams (MMSFs). The MMSFs feature a lightweight structure that combines high strength with the excellent cushioning and energy absorption properties of metallic foam, which results in promising research and application possibilities.…”

Section: Introductionmentioning

confidence: 99%

Compressive behaviour of open-cell Al–Si alloy foam produced by infiltration casting

Xia

Shi

2023

Materials Science and Technology

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Open-cell Al–Si alloy foams with different densities were manufactured by vacuum infiltration. The foam with smaller NaCl as space holders showed a mixed scaffold structure consisting of abundant struts and cell walls. It was also found that the open-cell Al–Si alloy foam showed various defects containing micropores, microcracks and missing cell walls. The compression results indicated that the open-cell Al–Si alloy foams exhibited smoother stress–strain behaviour and higher compressive strength than that of previous studies, despite a larger number of defects in brittle Al–Si matrix. The successive occurrences of multiple deformation bands owing to the mixed structure and various defects were responsible for the smooth compression stress–strain behaviour.

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The influence of infiltration casting technique on properties of metal syntactic foams and their foam-filled tube structures

Cited by 33 publications

References 42 publications

The Effects of Various Adhesives on Multiple Types of Quasi‐Static Mechanical Properties of Rectangular and Square Aluminum Hollow Sections Filled with Composite Metal Foam Cores

The Effects of Various Adhesives on Multiple Types of Quasi‐Static Mechanical Properties of Rectangular and Square Aluminum Hollow Sections Filled with Composite Metal Foam Cores

The anisotropy behavior of metallic foams under Charpy impact tests

Compressive behaviour of open-cell Al–Si alloy foam produced by infiltration casting

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