Effects of translaminar edge crack and fiber angle on fracture toughness and crack propagation behaviors of laminated carbon fiber composites-Reference-Cited by-同舟云学术

Effects of translaminar edge crack and fiber angle on fracture toughness and crack propagation behaviors of laminated carbon fiber composites

Published:2024-05-27 Issue:6 Volume:115 Page:446-462
ISSN:1862-5282
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Asan Ahmet Murat¹^ORCID,Kaman Mete Onur¹,Dag Serkan²,Erdem Serkan¹,Turan Kadir³

Affiliation:

1. Mechanical Engineering , 37510 Firat University , Elazig , Türkiye

2. Mechanical Engineering , Middle East Technical University , Ankara , Türkiye

3. Mechanical Engineering , Dicle University , Diyarbakir , Türkiye

Abstract

Abstract In this study, the translaminar fracture toughness of carbon fiber laminated composites with different layer sequences was investigated experimentally and numerically for different crack directions. In the numerical study, first of all, the critical stress intensity factor was determined by using the M-integral method. Three-dimensional model and M-integral analysis were achieved in the ANSYS finite element package program. The non-local stress fracture criterion was used to in order to find failure curves of the materials. Then, in order to find the crack propagation directions numerically, the solid model was transferred to the LS-DYNA program and progressive failure analysis was performed. Fracture toughness decreased by 9.92 % with the change of crack angle from 15° to 90°. As the fiber angle changed from 0° to 45°, it decreased by 9.17 %. The biggest error between the experimental and numerical study results was found at α = 45°, with a rate of 12.3 %.

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/ijmr-2023-0317/pdf

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