Effect of cell size on the dynamic compressive properties of open-celled aluminum foams

Hidetaka Kanahashi; Toshiji Mukai; T. G. Nieh; Tatsuhiko Aizawa; Kenji Higashi

doi:10.2320/matertrans.43.2548

Effect of cell size on the dynamic compressive properties of open-celled aluminum foams

Hidetaka Kanahashi, Toshiji Mukai, T. G. Nieh, Tatsuhiko Aizawa, Kenji Higashi

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

In the present paper, open-celled AA6101-T6 aluminum foams, Duocel, with virtually the same relative density of 0.09 were tested at both a dynamic strain rate of 1.2 × 10³s^-1 and quasi-static strain rate of 1 × 10^-3 s^-1 in compression at room temperature. These Duocel foams have different cell sizes (10, 20, and 40 ppi) but similar cell morphology and microstructure. The mechanical strength and energy absorption of these foams were characterized as a function of strain rate and cell morphology. Experimental results indicated that the mechanical responses of Duocel foams were independent of the cell size and strain rate. Similar tests were also conducted with fully dense AA6101-T6 aluminum alloy and the results were compared with those obtained from the foam materials.

Original language	English
Pages (from-to)	2548-2553
Number of pages	6
Journal	Materials Transactions
Volume	43
Issue number	10
DOIs	https://doi.org/10.2320/matertrans.43.2548
Publication status	Published - 2002 Oct
Externally published	Yes

Keywords

Absorption energy
Aluminium-magnesium-silicon alloy
Cell size
Metallic foam
Open-cell
Plateau stress
Strain rate

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.2320/matertrans.43.2548

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title = "Effect of cell size on the dynamic compressive properties of open-celled aluminum foams",

abstract = "In the present paper, open-celled AA6101-T6 aluminum foams, Duocel, with virtually the same relative density of 0.09 were tested at both a dynamic strain rate of 1.2 × 103s-1 and quasi-static strain rate of 1 × 10-3 s-1 in compression at room temperature. These Duocel foams have different cell sizes (10, 20, and 40 ppi) but similar cell morphology and microstructure. The mechanical strength and energy absorption of these foams were characterized as a function of strain rate and cell morphology. Experimental results indicated that the mechanical responses of Duocel foams were independent of the cell size and strain rate. Similar tests were also conducted with fully dense AA6101-T6 aluminum alloy and the results were compared with those obtained from the foam materials.",

keywords = "Absorption energy, Aluminium-magnesium-silicon alloy, Cell size, Metallic foam, Open-cell, Plateau stress, Strain rate",

author = "Hidetaka Kanahashi and Toshiji Mukai and Nieh, {T. G.} and Tatsuhiko Aizawa and Kenji Higashi",

year = "2002",

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AU - Kanahashi, Hidetaka

AU - Mukai, Toshiji

AU - Nieh, T. G.

AU - Aizawa, Tatsuhiko

AU - Higashi, Kenji

PY - 2002/10

Y1 - 2002/10

N2 - In the present paper, open-celled AA6101-T6 aluminum foams, Duocel, with virtually the same relative density of 0.09 were tested at both a dynamic strain rate of 1.2 × 103s-1 and quasi-static strain rate of 1 × 10-3 s-1 in compression at room temperature. These Duocel foams have different cell sizes (10, 20, and 40 ppi) but similar cell morphology and microstructure. The mechanical strength and energy absorption of these foams were characterized as a function of strain rate and cell morphology. Experimental results indicated that the mechanical responses of Duocel foams were independent of the cell size and strain rate. Similar tests were also conducted with fully dense AA6101-T6 aluminum alloy and the results were compared with those obtained from the foam materials.

AB - In the present paper, open-celled AA6101-T6 aluminum foams, Duocel, with virtually the same relative density of 0.09 were tested at both a dynamic strain rate of 1.2 × 103s-1 and quasi-static strain rate of 1 × 10-3 s-1 in compression at room temperature. These Duocel foams have different cell sizes (10, 20, and 40 ppi) but similar cell morphology and microstructure. The mechanical strength and energy absorption of these foams were characterized as a function of strain rate and cell morphology. Experimental results indicated that the mechanical responses of Duocel foams were independent of the cell size and strain rate. Similar tests were also conducted with fully dense AA6101-T6 aluminum alloy and the results were compared with those obtained from the foam materials.

KW - Absorption energy

KW - Aluminium-magnesium-silicon alloy

KW - Cell size

KW - Metallic foam

KW - Open-cell

KW - Plateau stress

KW - Strain rate

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Effect of cell size on the dynamic compressive properties of open-celled aluminum foams

Abstract

Keywords

ASJC Scopus subject areas

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