, volume 303 , pages 116308

Mechanical performance and damage monitoring of CFRP thermoplastic laminates with an open hole repaired by 3D printed patches

Lijun Li ¹

Wenyao Liu ¹

Yubo Wang ^{1, 2}

Zhihui Zhao ¹

Hide authors affiliations Show authors affiliations: 2 affiliations

School of Transportation Science and Engineering, Beihang University, 37 Xueyuan Road, Haidian District, Beijing 100191, China |

Pan Asia Technical Automotive Center Co.,Ltd , 2199 Jufeng Road, Pudong District, Shanghai 201208, China |

Publication type: Journal Article

Publication date: 2023-01-01

Elsevier

Composite Structures

scimago Q1

wos Q1

SJR: 1.761

CiteScore: 14.8

Impact factor: 7.1

ISSN: 02638223, 18791085

DOI: 10.1016/j.compstruct.2022.116308

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Ceramics and Composites

Civil and Structural Engineering

Abstract

Thermoplastic laminates are increasingly used in the automotive industry, so it is essential to study convenient and effective repair technologies. In this paper, an adhesively bonded repair method based on 3D printed patches is proposed. Multiple types of patches were fabricated using 3D printing technique and traditional laminate cutting process, respectively. Two stacking sequence laminates including angle-ply and quasi-isotropic were utilized in this study. The mechanical properties of the repaired specimens were tested under tensile loading, and the strain distribution and damage process were monitored by digital image correlation (DIC) technique. The damage characteristics and failure mechanisms are analyzed. The results indicate that the load-bearing capacity of the open-hole laminates can be significantly improved through the repair method. Compared with traditional patches, the 3D printed patches show more excellent repair performance. Moreover, 3D printed patches are easier to manufacture and have a lower cost. This study can provide some insight for the repair of automotive lightweight components manufactured by polymer composites.

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GOST Copy

Li L. et al. Mechanical performance and damage monitoring of CFRP thermoplastic laminates with an open hole repaired by 3D printed patches // Composite Structures. 2023. Vol. 303. p. 116308.

GOST all authors (up to 50) Copy

Li L., Liu W., Wang Y., Zhao Z. Mechanical performance and damage monitoring of CFRP thermoplastic laminates with an open hole repaired by 3D printed patches // Composite Structures. 2023. Vol. 303. p. 116308.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1016/j.compstruct.2022.116308

UR - https://doi.org/10.1016/j.compstruct.2022.116308

TI - Mechanical performance and damage monitoring of CFRP thermoplastic laminates with an open hole repaired by 3D printed patches

T2 - Composite Structures

AU - Li, Lijun

AU - Liu, Wenyao

AU - Wang, Yubo

AU - Zhao, Zhihui

PY - 2023

DA - 2023/01/01

PB - Elsevier

SP - 116308

VL - 303

SN - 0263-8223

SN - 1879-1085

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2023_Li,

author = {Lijun Li and Wenyao Liu and Yubo Wang and Zhihui Zhao},

title = {Mechanical performance and damage monitoring of CFRP thermoplastic laminates with an open hole repaired by 3D printed patches},

journal = {Composite Structures},

year = {2023},

volume = {303},

publisher = {Elsevier},

month = {jan},

url = {https://doi.org/10.1016/j.compstruct.2022.116308},

pages = {116308},

doi = {10.1016/j.compstruct.2022.116308}

}

Publisher

Elsevier

Journal

Composite Structures

scimago Q1

wos Q1

SJR

1.761

CiteScore

14.8

Impact factor

7.1

ISSN

02638223 (Print)

18791085