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Analysis of additively manufactured PLA containing notches using Failure Assessment Diagrams

Abstract: This paper provides a methodology for the estimation of the load-bearing capacity of additively manufactured (AM) PLA specimens that may be applied to both cracked and notched conditions. The methodology is based on the use of Failure Assessment Diagrams (FADs), which are, in practice, the main fracture-plastic collapse assessment tool provided by structural integrity assessment procedures. When dealing with notch-type defects, the methodology requires, additionally, the application of a notch correction that it is based on the Theory of Critical Distances (TCD) and the Creager-Paris stress distribution ahead of the cracktip. The results show that the FAD methodology (alone, in cracked conditions, or in combination with the TCD in notched conditions) can be successfully applied in this AM polymer.

Otras comunicaciones del congreso o articulos relacionados con autores/as de la Universidad de Cantabria

 Congreso: European Conference on Fracture: ECF23 (23ª : 2022 : Funchal, Portugal)

 Editorial: Elsevier B.V.

 Año de publicación: 2022

 Nº de páginas: 9

 Tipo de publicación: Comunicación a Congreso

 DOI: 10.1016/j.prostr.2022.12.001

 ISSN: 2452-3216

 Proyecto español: PGC2018-095400-B-I00

 Url de la publicación: https://doi.org/10.1016/j.prostr.2022.12.001