Dynamic properties of silicon carbide hollow particle filled magnesium alloy (AZ91D) matrix syntactic foams

Anantharaman, Harish; Shunmugasamy, Vasanth Chakravarthy; Strbik, Oliver M.; Gupta, Nïkhil; Cho, Kyu

doi:10.1016/j.ijimpeng.2015.04.008

Cited by 70 publications

(38 citation statements)

References 43 publications

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“…[3][4][5][6] Besides this, MMSFs can be integrated with the concept of unidirectionally (or multi directionally) reinforced composites (Figure 1d). [7] Theoretically, MMSFs can be produced from any kind of metals, however their matrix is usually a grade of lightweight alloy (most commonly from the family of Al [8][9][10][11][12][13][14][15][16][17][18] or Mg [19][20][21][22] alloys). The predecessors of MMSFs were produced with polymer matrix and they were developed for deep sea applications, such as the insulation of oil pipes or submarines.…”

Section: Introductionmentioning

confidence: 99%

On the Mechanical Properties of Aluminum Matrix Syntactic Foams

Orbulov¹,

Szlancsik²

2018

Adv Eng Mater

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Metal matrix syntactic foams (MMSFs, often referred as composite metal foams (CMFs)) are lightweight materials with high specific strength. MMSFs are on the borderline between metal matrix composites and metal foams. On one hand MMSFs are composites, because they are filled by hollow particles and the particles may add strength to the material. On the other hand, they are foams, because the hollow particles ensure porosity to the material. Among metallic foams, MMSFs exhibit outstanding specific mechanical properties due to the hollow inclusions that are typically made from ceramics or high strength alloys, therefore they can be applied as structural materials. The goal of this paper is to summarize the available data on the mechanical properties of MMSFs with aluminum matrix in order to give a strong support to the design engineers. Since the foams are most frequently loaded in compression, the main part of this paper is organized around the available standard related to the compressive properties of porous materials and metallic foams. The quasi-static results are complemented by properties measured at higher strain rates. Besides this, some insight into the basic fatigue properties as well as into the toughness of MMSFs is also provided.

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Section: Introductionmentioning

confidence: 99%

On the Mechanical Properties of Aluminum Matrix Syntactic Foams

Orbulov¹,

Szlancsik²

2018

Adv Eng Mater

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“…These tiny balls (balloons) are empty inside ( Figure 10) and act as a reinforcement for the foam walls. They can be made of silicon carbide [44] or fly-ash containing SiO 2 , Al 2 O 3 , and Fe 2 O 3 . [45] Syntactic foam with fly-ash particles is produced in three different ways.…”

Section: Syntactic Foammentioning

confidence: 99%

“…The research was carried out on lotus-type magnesium, [12] magnesium with an entangled structure, [63] and syntactic foams with SiC particles. [44] With lotus-type magnesium, vibration-damping capacity was investigated by using hammering-vibration-damping test. The damping capacity was determined based on the attenuation coefficient, a, from the Equation 10:…”

Section: Propertiesmentioning

confidence: 99%

Current Status and Recent Developments in Porous Magnesium Fabrication

et al. 2017

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A significant number of studies have been dedicated to the fabrication and properties of metallic foams. The most recent research is focused on metals with low weight and good mechanical properties, such as titanium, aluminum, and magnesium. Whereas the first two are already fairly well studied and already find application in industry, magnesium currently remains at the research stage. The present review covers the studies conducted on fabrication techniques, surface modifications, and properties of porous structures made of magnesium and its alloys.

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“…The peak strength and the elastic energy absorbed up to the peak strength showed an increasing trend by increasing the strain rates (from 1330 to 2300 s -1 ). The failure at high strain rates was observed to be crushing of the particles, plastic deformation of the matrix, and propagation of cracks along the precipitates on the grain boundaries [30].…”

Section: Introductionmentioning

confidence: 99%