New type of porous metal with spherical pore prepared by plastic working and properties

Chin J Mater Res

2009, Vol. 23

Issue (2): 143-148 DOI:

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New type of porous metal with spherical pore prepared by plastic working and properties

SHI Guodong; HE Deping;HE Siyuan; DING Long

Department of Materials Science and Engineering; Southeast University; Nanjing 210096

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SHI Guodong; HE Deping; HE Siyuan; DING Long. New type of porous metal with spherical pore prepared by plastic working and properties. Chin J Mater Res, 2009, 23(2): 143-148.

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Abstract

A novel method to prepare metallic structure with hemisphere layer formed by metal sheet plastic processing and connect it to novel porous metal in certain ways is proposed. The strength of structure composed of interconnected flat plate layers is greater than that of structure composed of accumulative metallic balls with air core in the same condition. This structure has high strength and can absorb energy, and the thickness and porosity of aluminum sheet have obvious effect on it's compressive property.

Key words: metallic materials punch porous metal porosity compression and energy absorption spherical pore

Received: 05 March 2008

ZTFLH:

TG146

Fund:

Supported by National Key Basic Research No. 2006CB601201 and National Natural Science Foundation Nos.50471031 and 50231010.

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y2009/V23/I2/143

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