Additive manufacturing of miniature marine structures for crashworthiness verification: Scaling technique and experimental tests

Miguel A.G. Calle, Mika Salmi, Leonardo M. Mazzariol, Marcílio Alves, Pentti Kujala

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

1 Sitaatiot (Scopus)

Abstrakti

Undoubtedly, the main advantage of the additive manufacture technology is to allow building miniature structural parts with a large degree of complexity such as to replicate structural details of real-scale marine structures. This work presents a new technique for reproducing the structural response of large-scale thin-walled metallic structures when subjected to crushing loadings by using scaled-down additive manufactured models. This technique couples scaling laws for strain rate sensitive materials and a thickness distortion technique based on the structural collapse mode. In order to validate this coupled technique, the structural response of a large-scale crushing test of a web girder structure was experimentally replicated by using a 1/40 scale reduction model. The results and conclusions summarize the prospects and limitations of additive manufacturing of miniature complex marine structures for structural purposes and crashworthiness verification.
AlkuperäiskieliEnglanti
Artikkeli102764
Sivumäärä18
JulkaisuMarine Structures
Vuosikerta72
Varhainen verkossa julkaisun päivämäärä14 huhtikuuta 2020
DOI - pysyväislinkit
TilaJulkaistu - 1 heinäkuuta 2020
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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