Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Miscellanea Vol. 12, No. 46 (2018)

Characterization of Isogrid Structure in GFRP

Author and affiliation details
DOI
10.3221/IGF-ESIS.46.29
Pages
319-331
Published
Published inVol. 12, No. 46 (2018)Go to the issue

Abstract

Lightening parts, maintaining also a high strength, is a request of the transport industry. Isogrid structures represent one of the best answer to face these issues, especially if composite materials are considered for their production. However, the fabrication of these structures is very complex, as defects can arise that cause the part discarding or the part failure during service. The properties of the fabricated structure depend on some process characteristics, as the forming technology, the process parameters and the tools that have to be wisely designed. Isogrid structures are characterized by the ribs, so the mould shape must be carefully planned. In fact, a common defect that usually occurs is a scarce compaction of the ribs, which involves porosity and low mechanical strength.

In this paper, the manufacturing process peculiarities for GFRP (Glass Fibre Reinforced Polymer) isogrid structures were defined, then both the mould and the parts were produced. Structural tests were carried out on these structures in order to validate the process design methodology, paying particular attention to the structural properties of the ribs, as the compaction degree and the interlaminar shear strength. Finally, some actions were undertaken to avoid the problems found in the first production run.

Keywords

Article history

  1. ReceivedUntil the next stage: 19 days
  2. AcceptedUntil the next stage: 36 days
  3. Published

How to cite

APA

Bellini, C., & Sorrentino, L. (2018). Characterization of Isogrid Structure in GFRP. Fracture and Structural Integrity, 12(46), 319–331. https://doi.org/10.3221/IGF-ESIS.46.29

IEEE

C. Bellini and L. Sorrentino, “Characterization of Isogrid Structure in GFRP,” Fracture and Structural Integrity, vol. 12, no. 46, pp. 319–331, 2018, doi: 10.3221/IGF-ESIS.46.29.

MLA

Bellini, Costanzo, and Luca Sorrentino. “Characterization of Isogrid Structure in GFRP.” Fracture and Structural Integrity, vol. 12, no. 46, 2018, pp. 319–331. https://doi.org/10.3221/IGF-ESIS.46.29.

Chicago

Bellini, Costanzo, and Luca Sorrentino. 2018. “Characterization of Isogrid Structure in GFRP.” Fracture and Structural Integrity 12 (46): 319–331. https://doi.org/10.3221/IGF-ESIS.46.29.

Harvard

Bellini, C. and Sorrentino, L. (2018) ‘Characterization of Isogrid Structure in GFRP’, Fracture and Structural Integrity, 12(46), pp. 319–331. doi: 10.3221/IGF-ESIS.46.29.

Vancouver

Bellini C, Sorrentino L. Characterization of Isogrid Structure in GFRP. Fracture and Structural Integrity. 2018;12(46):319-331. doi:10.3221/IGF-ESIS.46.29

BibTeX

@article{bellini2018, author = {Bellini, Costanzo and Sorrentino, Luca}, title = {Characterization of Isogrid Structure in GFRP}, journal = {Fracture and Structural Integrity}, year = {2018}, volume = {12}, number = {46}, pages = {319--331}, doi = {10.3221/IGF-ESIS.46.29}, url = {https://doi.org/10.3221/IGF-ESIS.46.29}, issn = {1971-8993} }

RIS

TY - JOUR AU - Bellini, Costanzo AU - Sorrentino, Luca TI - Characterization of Isogrid Structure in GFRP JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2018 DA - 2018/09/27 VL - 12 IS - 46 SP - 319 EP - 331 DO - 10.3221/IGF-ESIS.46.29 UR - https://doi.org/10.3221/IGF-ESIS.46.29 SN - 1971-8993 ER -

Licence

Copyright © 2018 Costanzo Bellini, Luca Sorrentino.

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