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논문 기본 정보

자료유형
학술저널
저자정보
Giuseppe Del Guercio (Politecnico Di Torino) Manuela Galati (Politecnico Di Torino) Abdollah Saboori (Politecnico Di Torino)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.1
발행연도
2021.1
수록면
55 - 67 (13page)

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Additive manufacturing processes allow producing complex geometries which include structures with enhanced mechanicalperformance and biomimetic properties. Among these structures, the interests on the use of lattice are increasing forboth medical and mechanical applications. The mechanical behaviour of the structure is closely correlated to its shape anddimension. However, up to now, far too little attention has been paid to this aspect. Hence, this work aims to explore theeffect of geometry, dimension and relative density of the cell structure on the compressive strength of specimens with latticestructures. For this purpose, various Lattice structures are designed with different geometries and dimensions. This approachleads to having structures with different relativity densities. Replicas of the designed structure are produced using Ti–6Al–4Vpowder processed by electron beam melting process. The samples are tested under compression. A new approach to calculatethe absorbed energy up to failure by the lattice structure is presented. The results show a close relationship between themechanical performance of the structure and the investigated parameters. In contrast with the current literature, the presentedexperimental data and a collection of the literature data highlight that the lattice structures with similar relative density donot exhibit the same Young’s modulus values.

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