G041021 Mechanical Properties of Aluminum Foam with Nonporous Surface Layer Formed by Friction Stir Incremental Forming

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  • G041021 摩擦撹拌インクリメンタルフォーミング法により成形された表面緻密層を有する発泡アルミニウムの機械的性質([G041-02]機械材料・材料加工部門,一般セッション(2))

Abstract

Nonporous layer was fabricated on surface of closed-cell type aluminum foam (Shinko Wire Company, Ltd.: ALPORAS, relative density: 0.1, mean diameter of pore: φ4 mm) by friction stir incremental forming method. The nonporous layer with mean thickness of 240 μm was successfully fabricated under appropriate forming conditions. To examine the mechanical properties of the fabricated aluminum foam with nonporous layers, uniaxial compression test was carried out on a material testing machine at room temperature. The specific compressive stress (compressive stress/bulk density) of the fabricated aluminum foam with nonporous layers was enhanced.

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