Magnesium Integral Foams — Production and Properties

Hirschmann, Markus; Lamm, Matthias; Körner, Carolin; Singer, Robert F.

doi:10.1002/3527603565.ch55

Cited by 3 publications

(3 citation statements)

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“…Thus, they have attracted strong industrial and scientific interest during the last decade [1]. A variety of methods has been developed to produce metal foams [2][3][4][5][6][7]. Although these methods are apparently quite different, the resulting metal foams show many similarities: thick, non-uniform cell walls with a thickness of about 100 m and energetically unfavorable cell arrangements (see Fig.…”

Section: Introductionmentioning

confidence: 99%

Foam formation mechanisms in particle suspensions applied to metal foams

Körner

2008

Materials Science and Engineering: A

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Section: Introductionmentioning

confidence: 99%

Foam formation mechanisms in particle suspensions applied to metal foams

Körner

2008

Materials Science and Engineering: A

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“…As a rule, magnesium alloys are used for Thixomolding. However, reports are known about successful tests with zinc and aluminium materials [8] as well as moulded foams from magnesium alloys [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of solid fraction on the mechanical properties of thixomolded magnesium alloys

Goryany

Mauk

2008

J min metall B Metall

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“…3) Compared to polymers, the development of metal integral foam moulding is just at the beginning. [4][5][6][7][8][9][10][11] The time delay of four decades between commercialization of polymer integral foam moulding and the current onset of investigations with respect to metals can hardly be explained. Nevertheless, we suppose that there is huge economical potential for metal integral foam moulding.…”

Section: Introductionmentioning

confidence: 99%

Integral Foam Moulding of Light Metals

Körner¹,

Hirschmann²,

Wiehler³

2006

Mater. Trans.

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Integral foam moulding (IFM) is an economical way to produce castings with integrated cellular structure, i.e. a solid skin and a foamed core. IFM has been known for polymers for more than four decades and is well established in industrial production. Polymer integral foam parts are accepted as a material system with own properties which simplifies designs, reduces production costs and weight, and increases stiffness and overall strength. On the other hand, integral foam moulding for metals is a new field of research. The development of metal based integral foam moulding processes at WTM moves along analogous paths as that of polymers by transferring and adapting successful moulding technologies for polymer integral foam to metals. Two moulding techniques for metal integral foam are presented, a low and a high pressure process. In the low pressure process, the molten metal charged with blowing agent is injected into a permanent steel mould without completely filling it. In this case, the mould gets eventually filled by foam expansion.In the high pressure process foaming is initiated by expansion of the mould cavity after it has been filled completely with the mixture of the metal melt and the blowing agent. The moulded parts are characterized with respect to their cellular structure, density profile and pore size distribution. Mechanical properties such as stiffness and damping behaviour are discussed.

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Magnesium Integral Foams — Production and Properties

Cited by 3 publications

References 0 publications

Foam formation mechanisms in particle suspensions applied to metal foams

Foam formation mechanisms in particle suspensions applied to metal foams

Effect of solid fraction on the mechanical properties of thixomolded magnesium alloys

Integral Foam Moulding of Light Metals

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