Selective Laser Melting on Aluminum Foam Surface and Mechanical Properties of Fabricated Aluminum Foam with Nonporous Surface Layer

Ryo Matsumoto; Shigehiro Kanatani; Hiroshi Utsunomiya

doi:10.4028/www.scientific.net/KEM.651-653.671

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 651-653Selective Laser Melting on Aluminum Foam Surface...

Selective Laser Melting on Aluminum Foam Surface and Mechanical Properties of Fabricated Aluminum Foam with Nonporous Surface Layer

Abstract:

To fabricate aluminum foam having nonporous surface layer (sandwich structure), the selective laser melting (SLM) was applied to fill surface pores of a commercial closed-cell type aluminum foam with aluminum. A commercially pure aluminum powder was continuously melted and solidified by irradiating with a pulsed Nd:YAG laser with a maximum average power of 50 W. As a result, the aluminum foam having nonporous surface layer (SLM surface layer) was successfully fabricated. The compressive deformation behavior of the fabricated aluminum foam having the SLM surface layers was investigated with uniaxial compression test. The plateau stress of the aluminum foam having the SLM surface layers was improved by approximately 20%, compared with that of the aluminum foam without the SLM surface layers.

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Key Engineering Materials (Volumes 651-653)

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671-676

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https://doi.org/10.4028/www.scientific.net/KEM.651-653.671

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Online since:

July 2015

Authors:

Ryo Matsumoto*, Shigehiro Kanatani, Hiroshi Utsunomiya

Keywords:

Aluminium, Compressive Deformation Behavior, Porous Metal, Powder, Selective Laser Melting

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