Development on Preparation Technology of Aluminum Foam Sandwich Panels

Hao, Qingxian; Qiu, Sawei; Hu, Yuebo

doi:10.1016/s1875-5372(15)30036-9

Cited by 21 publications

(6 citation statements)

References 32 publications

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“…The joining faces of Al-alloy sheet and Al-alloy foam were first abraded with 120-360 grid SiC emery paper to remove the surface oxide layer and then cleaned with alcohol in an ultrasonic bath at 60 • C for 10 min. Subsequently, the Al-alloy foam surface ( Figure 1a) was activated by using 12% nitric acid solution for 30 min as is suggested by Qingxian et al [22]. The stacking configuration adopted for AFS in the current study is shown in Figure 2a.…”

Section: Methodsmentioning

confidence: 99%

Joining of Aluminium Alloy Sheets to Aluminium Alloy Foam Using Metal Glasses

Bangash

Ubertalli

Saverio

et al. 2018

Metals

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Aluminium alloy foam is a lightweight material with high energy absorption properties and can potentially replace bulk Al-components. The aim of this work is to develop a brazing technique to join aluminium facing sheets to aluminium alloy foam to obtain aluminium foam sandwich panels for applications where high service temperature is a requirement. Al-6016 alloy sheets were brazed to aluminium alloy foam using two aluminium based (Al-Cu-Mg and Al-Si-Mg-Ti) metal glasses at 560 • C-590 • C in an argon atmosphere. Microstructure and microhardness profiles of the aluminium alloy sheet/aluminium alloy foam brazed joints were analysed using a microhardness tester and scanning electron microscope equipped with electron dispersion spectroscopy. A three-point bending test was conducted to study the flexural behaviour of the aluminium foam sandwich composite panels.

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Section: Methodsmentioning

confidence: 99%

Joining of Aluminium Alloy Sheets to Aluminium Alloy Foam Using Metal Glasses

Bangash

Ubertalli

Saverio

et al. 2018

Metals

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“…x Due the non uniformities in properties and production cost, it is not widely used in the Engineering applications x Powder metallurgy technique is used to produce aluminium foam, because high porous structure and uniform foams can be develop for the FEM analysis for any mechanical component. x It was also observed from one of the literature that powder metallurgy foaming process can prevent effectively the spread of cracks in panels and keep the shape of preformed blanks complete with an uniform density [55].…”

Section: Research Gap Identified/ Scope For Present Investigationmentioning

confidence: 99%

A Review on Prodution of Aluminium Metal Foams

Mr.

Sreenivasa

Mr.

2018

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract:Aluminum metal foam has wide applications for lightweight construction has become an attractive research field. In this review paper, the various possible methods for Aluminium metal foams production and other cellulose metallic structures are studied. According to the state of matter the different production processes are classified into three ways solid, liquid and gaseous. Metal foams have a unique property such as light weight in combination with higher compression strength, lower specific weight, high stiffness and better energy absorption quality. Production of metal foams is a very difficult task because of the simultaneous occurrence of solid, liquid and gaseous phase's at different temperatures. There are number of technologies and methods of manufacturing foamed metals are available but still the foamed metal suffers from deficiencies and non-uniformities. To improve the foam quality, it is necessary to study and understand the foam stability of liquid metals, which will help production techniques of foam metals more reliable and producible. In this review finds the best suitable method for production of aluminum metal foam for mechanical application. It has been experimentally confirmed that aluminum metal foams produced by the Powder Metallurgy method present high pore connectivity hence there is a chances to get good result when we will do the analysis over application.

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“…However, AFS has not been widely applied commercially at present. This is mainly due to the fact that the current industrial preparation technology for high quality AFS is not mature enough [8,9,10,11,12]. At present, the main preparation technology of AFS was to adopt adhesive compounding method through Melt Foaming Process.…”

Section: Introductionmentioning

confidence: 99%

Densification Mechanism for the Precursor of AFS under Different Rolling Temperatures

et al. 2019

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The effect of rolling temperature on the precursor of aluminum foam sandwich (AFS) prepared by powder metallurgy through Pack Rolling method is investigated in this work. The cross-section along rolling direction of the precursors was observed. It was found that periodic corrugated morphology with micro-cracks on the composite interface as well as cracks and micro-holes among core powder particles emerged abundantly at room temperature rolling. These defects degraded with increasing rolling temperature and completely disappeared when the rolling temperature reached 400 °C. Combining with foaming ability of these precursors, the densification mechanism of core powders was discussed. Powder particles deformed with difficulty at low rolling temperature; the gap between them cannot be effectively filled through their plastic deformation. Fracture occurred in powder core layer during co-extension with the outer panel and was partly embedded by it, resulting in corrugated composite morphology at the interface. The precursors of high density and excellent bonding interface were prepared at the rolling temperature of 400 °C. A more suitable foaming condition was determined.

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Development on Preparation Technology of Aluminum Foam Sandwich Panels

Cited by 21 publications

References 32 publications

Joining of Aluminium Alloy Sheets to Aluminium Alloy Foam Using Metal Glasses

Joining of Aluminium Alloy Sheets to Aluminium Alloy Foam Using Metal Glasses

A Review on Prodution of Aluminium Metal Foams

Densification Mechanism for the Precursor of AFS under Different Rolling Temperatures

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