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Fabrication of functionally radial graded metallic foam

Abstract : Radial graded structures in biological materials, e.g. bones, are lightweight and exhibit good mechanical properties. This paper developed a novel method to fabricate a functionally radial graded aluminum foam. In this method, a sequential solidification was applied from the periphery to the inner on the foaming aluminum melt to obtain a radial gradient. The graded foams were then served as fillers for thin-walled tubes. Quasi-static compressive tests were conducted on the foams and foam-filled tubes. The results indicated that the graded foam-filled tubes exhibited improved crushing resistance and specific energy absorption, compared to the uniform foam-filled tube with similar weight.
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Submitted on : Monday, January 6, 2020 - 9:53:02 AM
Last modification on : Sunday, June 26, 2022 - 4:48:28 AM





Zhang Yi, Zang Xiao-Yun, Wang Ke, He Si-Yuan, Liu Jia-Gui, et al.. Fabrication of functionally radial graded metallic foam. Materials Letters, Elsevier, 2019, pp.127292. ⟨10.1016/j.matlet.2019.127292⟩. ⟨hal-02428587⟩



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